Cost of Financial Intermediation Essay Example | Topics and Well Written Essays - 3000 words

Cost of Financial Intermediation - Essay Example The general view among experts in this field is that if administrative authorities are in favor of competition, it will lead to the presence of larger number of players in the banking sector that would automatically lead to lower bank rates as competing bankers will vie with each other to attract customers, and will automatically have to become efficient in their functioning in order to stay afloat in such highly competitive environment. So, the economy as a whole would be able to enjoy efficient banking services coupled with comparatively affordable bank rates. However, if entry in banking sector is strictly regulated, it would result in less competition and might also lead to lesser efficiency and almost certainly higher bank rates as the few banks that would be operating in the finance sector would remain assured of clients as the latter would have no option but to approach these few bankers for finance. It must be repeated, however, that these statutory regulations differ so wide ly between countries and regions that the only plausible method of measuring the impact of such biases and restrictions on bank rates and efficiency would be to consider each instance individually and comparing it with the larger and more generic backdrop of financial efficiency. (Demirg''-Kunt, Laeven and Levine) Impact of net interest margin and overhead expenditures on Cost of intermediation Cost of intermediation is substantially impacted by net interest margin and it would be worthwhile to study in a little more detail as to the exact characteristics and features of net interest margin. Put simply, the net interest margin signifies the income of banks and it consists of the interest a bank earns by lending money to borrowers and the interest it has to pay to its depositors. The exact measure of net interest margin is obtained by dividing the difference between a bank's interest earning and interest expenditure by the volume of interest bearing assets. The net interest margin thus is related to the traditional functions of banking industry - accepting deposits at lower interest rates and lending them at higher rates of interest. The overhead expenditure ratio of a bank is calculated by dividing bank overhead costs by the total assets of the bank. It is but obvious that the more inefficient a bank the higher would be its overhead expenditure ratio. But overhead expenditures are not only dependent on pure operational efficiency of a bank. It also depends on the prevailing market regulations and freedom or otherwise for players to leave or enter the banking sector as and when the desire to do it arises. The degree of freedom of entry or exit is, quite obviously, determined by the statutory or law enacting authorities of the country. It might be worthwhile to mention at this juncture that though freedom of entry and exit primarily determines the extent of competition in the banking sector, there are other equally important issues that determine the ability of the commercial banks to offer credit to potential

Essay on Correction Techniques Example | Topics and Well Written Essays - 2000 words

On Correction Techniques - Essay Example Probation, pardon and parole are some kind of the most common corrective measures implemented by criminal justice system to test the behaviour of the criminals who are sentenced. These mechanisms are normally performed to evaluate the success of the correction measures. This paper evaluates the differences between parole and probation and the extent to which probation is successful in correcting a criminal. Hertfordshire printer Frederic Rainer, a volunteer with the Church of England Temperence Society (CETS), writes to the society of his concern about the lack of help for those who come before the courts. He sends a donation of five shillings (25p) towards a fund for practical rescue work in the police courts. The CETS responds by appointing two "missionaries" to Southwark court with the initial aim of "reclaiming drunkards". This forms the basis of the London Police Courts Mission (LPCM), whose missionaries worked with magistrates to develop a system of releasing offenders on the c ondition that they kept in touch with the missionary and accepted guidance (Timeline: A history of probation) The history of probation started from England as explained above. Probation conditions have been changed or modified periodically based on the feedbacks received from the experiences. Many people do not have awareness about the differences between probation and parole. ... On the other hand, a criminal on probation may have less supervision from the probation officers. Parole and probation are granted based on the Pre-Sentence Investigation report (PSI) prepared by a probation officer. The practice of preparing PSI has started in 1920. â€Å"Its original purpose was to provide information to the court on the defendant’s personal history and criminal conduct in order to promote individualized sentencing† (The History of the Pre-sentence Investigation Report, p.1). This report normally contains the background information of the criminal such as his crime history, crime tendency, family history, juvenile adjudications, description of the crime, the defendant's work history, marital status, financial status, length of residence in the community, educational background, medical history, substance abuse history, etc. Based on these information probation officers decide about the corrective measures needed for the criminal. For example, a crimin al who has the history of series of criminal activities may normally get parole whereas first time criminals may normally get probation. Probation is the most liberal corrective mechanism. A judge can decide about the probation of the criminal after reviewing the nature of the crime and the character of the criminal. Fresh criminals may get probation in most of the cases. â€Å"A violation of probation gives rise to a hearing on whether or not probation should be revoked† (Kaman). If a criminal violates the conditions of probation, the judge or the probation officer has the right to withdraw the probation. In such cases, the criminal may get sentencing. On the other hand, parole is granted at the end of a prison term or in between the

The Gestalt theory and insight

The Gestalt theory and insight The Gestalt theory and â€Å"Insight† Professor Wolfgang Kà ¶hler was one of the founders of the Gestalt psychology. The term â€Å"Gestalt psychology† was first used by Christian von Ehrenfels, the Austrian philosopher, as early as 1890 in his paper â€Å"On Gestalt Qualities†. The Gestaltism was a reaction to some contemporary psychologists. The Gestalt psychology emphasized that behavior cannot be studied by analyzing its components but, rather, it must be studied as a whole, in all its complexity. Kà ¶hler carried out a series of famous experiments during the First World War, studying the behavior of chimpanzees in solving problems. The results of the experiments led him to introduce the notion of â€Å"insight† (Einsicht), which is one of the central terms of the Gestalt psychology. Insight, according to Kà ¶hler, manifests itself in the behavior as a break in the process of learning, i.e. as a real emergence of a solution: the correct adaptive response appears suddenly without being visibly dependent direct on the tests and errors that preceded it. Once it appears, this response is stable, i.e. the subject (hominid or human) is able to reproduce it in an appropriate manner. Theoretically, a Gestalt-adepts â€Å"intuition† is described as a restructuring of the perceptive field: the subject perceives suddenly in his environment new possibilities to action that lead him almost immediately to the solution. The phenomena of conditioning and learning cannot explain this capacity of intuitive restructuring. On the one hand their sequential character actually is directly opposed to the suddenness of insight; on the other hand their associationist and analytical character does not allow the inclusion of global and structural properties of the perception-cognitive field. This conception thus confers on the brain a global capacity to process the environments perceived. To the explicative construction in terms of combination of elements, it substitutes the notion of aptitude to immediate changes of structure. The concept of insight led Duncker (1945) to proposing the general theory of problem solving. Dunckers theory (see a separate section above) is based on the concepts of insight and field. For Duncker, a problem situation comes about when an organism has a goal but does not know how to reach it. The solution, which eliminates this situation by enabling the realization of the goal, generally consists of several successive stages, each marking a progress relative to the foregoing stage. The basic question then is how to advance from the one stage to the other. To answer it, Duncker reuses certain concepts developed by Selz (Mayer, 1992). Selz proposed some of the major ideas in cognitive psychology and formulated the firs non-associationist theory of thinking. Among his seven theses on thinking processes the most remarkable ones are the following: Directed association generates the unit of thought; Forming a structure leads to understanding a problem; Testing for conditions results in solving a problem. Selz gave the following general description to the solution of any problem: Let ?Rb be the structure of a situation in which the task is to find what ‘? covers. Perhaps an individual keeps in his memory the complex aRb, which partially correspond to ‘?Rb. From this, the element a is disclosed. Reaching the solution thus takes place according to a phenomenon of â€Å"resonance† between some generalized objects. In general, â€Å"resonance† can be described as an original combination of known elements. The origin of the combination may be internal (it is the result of imagination), or external (induced verbally). In fact, not every correspondence of a signal to an object implies necessarily a resonance between the object and the signal. It is necessary that the signal be adequate to the object, which means that it should satisfy several conditions: it must be, among others, complete, concise, conformist, etc. The process of problem solution depends closely on the structure of the situation and above all on the â€Å"availability† of the elements of which the solution consists. The elements, in fact, are not distributed randomly, but according to a characteristic organization, whereby some of them stand out. Duncker illustrates this notion by the problem of rays: how can a tumor be destroyed by means of radiation without damaging neighboring tissue? Two test subjects were used to answer the question. To the first group of test subjects the problem was described in the active voice: â€Å"The radiation might destroy also the healthy tissue. How can this be avoided?† The second group of test subjects got the same task, but this time expressed in the passive voice: â€Å"The healthy tissue might also be destroyed. How could it be protected from being damaged by radiation?† The results show that in the first group, 43 % of test subjects link their solution to the intensity of the radiation used. In the second group only 14 % focus on the intensity of radiation. The simple verbal structure of the problem description is sufficient for making the component â€Å"intensity of radiation† less prominent in the latter case than in the former. Last but not least, what is essential in the process of problem solving is the change manifesting itself in that the subject operates in a psychological structure of the situation perceived. This sudden restructuring is nothing else than the insight, the role of which is decisive. How then can the thought handle a given data field to extract from it pertinent information? One could say that the relation between two sets of data A and B is â€Å"totally distinguishable† if it is possible to grasp directly that the affirmation of A implies that of B. A connection will be â€Å"partially distinguishable if only certain traits of B can be grasped or understood parting from A. To explain the existence of such relationships there are, according to Duncker, two traditional responses: either the set B already is contained in A and can be analytically separated from it, or the functioning of the thought is such that that it always must reconnect A and B (a synthetic explication). If different events that compose the universe were not mutually related according to some law, the thought would evidently have no practical efficacy. In reality, these relations must be described not as fixed couplings of defined elements, but rather as a constant structure of variabl es. The principal cause of an effect â€Å"b† may be grasped by abstraction of factors that all possible situations â€Å"b† have in common, as well as those factors that all possible situations â€Å"non-b† do not have in common. It is a process of â€Å"precipitation† of a common aspect of coverage, parting from the inspection of a set of situations belonging to the same class. The result of the precipitation is a change in the configuration the situations envisaged. These situations thus acquire intelligibility that resides in the fact that they are reducible to a general law. This phenomenon can be called, writes Duncker, â€Å"insight of the second degree†. The various elements of a situation, as has been seen, can present very variable degrees of â€Å"availability†. The availability of an object is actually an inverse function of what the author calls its â€Å"fixedness†. For instance, a chimpanzee looking for a stick from which to make a tool, like in Kà ¶hlers experiment, does not recognize it in a branch if the latter still is attached to the tree. In this context the branch constitutes a part of the perceptive unit called â€Å"tree† and, because of this fixedness that anchors it in a definite situation, it is less available for entry into another situation than when it is detached and lies on the ground. Beside this perceptive dependence, the fixedness can also be conditioned functionally. Several of Dunckers well-known experiments reveal that. For instance, two groups of test subjects must discover in a heterogeneous set of objects one that can serve as a counterweight: in this case a book of logarithms. But, before that, one of the groups had first to resolve a mathematical problem requiring the use of the logarithmic tables. It was found that the members of this group less often identify the book in point as a counterweight than do the others. Because of its foregoing usage, which has â€Å"fixed† it as part of a certain function, it is no longer available for a new re-structuring. Another question emerges as a consequence of these results: how can one explain that the perceptive restructurings necessary for a discovery are, according to the individuals, more or less easy? Taking mathematical reasoning as an example, Duncker distinguishes two possible applications: Subjects weak in mathematics are not capable of restructuring easily, because their thinking matter is too rigid, strongly fixed. With individuals gifted in mathematics, there is an abstract level on which the perceptive functions do not interfere, but where only specific mathematical properties are considered. The former hypothesis has a degree of plausibility but it cannot be upheld: in fact, it can be stated that with subjects who are strictly mathematically oriented the perceptive restructuring plays a considerably greater part than with â€Å"ordinary† subjects. Duncker supports, however, the second explanation: it is the different role of perceptive structuring, where the difference refers to the degree with which the material of the thought is organized in depth. This causes the variations in individual performance. It is known that there are subjects of the visual type, with whom the intellectual activities always repose on visual images. By the same token, according to Duncker, many people are unable to explore and treat the problem material if it is not totally permeated with perceptive structures. It has been shown that the Gestalt theoretical notion of insight makes it undeniably possible to describe a plurality of phenomena that are allowed in the problem solving behavior. The notion has fulfilled a certain scientific function in the psychology of the last 100+ years. This advantage is, nevertheless, negatively compensated by a major explicative inability: the concept of intuition rests, almost by definition, out of reach for analysis, and therefore it cannot be included in the causal chain. It thus generates many questions that cannot be answered. Pavlov had noted it immediately and reproached Kà ¶hler for having introduced the â€Å"dualism† and the â€Å"mentalism† in the study of higher processes. If the notion of intuition largely appears as a theoretical instance, is it possible at least to give it precise objective content? Westcott tried to find the answer to this question (see further down). Westcott In his 1968 work, Westcott studied intuition by resorting exclusively to the experimental method. He conceived it initially as a form of inferential behavior and defined it operationally as the fact that an individual solver has attained a solution using less information than is usually necessary. If then for solving a particular problem P, the majority of the population p needs the quantity of information I, any individual who attains the solution using a quantity of information that is less than I displays intuitive behavior vis-à  -vis P. This definition, which is perfectly satisfactory from the scientific point of view, introduces the adoption of differential perspective: the human subjects are more or less intuitive in the same manner as they are more or less intelligent or creative. In his first experimental research Westcott used four kinds of tasks defined by the increasing variety of the type of material (verbal or numerical) and of the type of response (completing series or establishing analogies). These four categories of problems did not require any specialized knowledge, which assured that the test subjects (in Westcotts case students) could be viewed as equals. In solving tasks involving completion of series, the test subjects had at their disposal a set of examples the use of which improved the chances of attaining a solution. The same goes for the problems involving analogies, where the subject was allowed to use as many examples of relations as he pleased. Westcott called every example or additional stage that led to the goal the clue. Each test subject was required to use both the least possible number of clues, and rank, on a four-point scale, the certainty he attaches to each of his responses. Under these experimental conditions, Westcott defined four measures of performance: The quantity of the information used. Instead of the coarse number of clues used by an individual before proposing a solution, it is preferable to ponder the value of the clues used as a function of the mean and the typical spread in the population. The number of correctly solved problems of those twenty that constitute a complete series. The ratio of success (foregoing score) to information demand (first score). This ratio is called efficacy. The mean value of ratings assigned by the subjects to their responses in the twenty problems. The eleven samples studied did not differ with respect to these four measures. In particular, no significant differences are visible between girls and boys. On the other hand, each sample displays a large variability with respect to the scores of the individuals comprising the group, which gives credibility to the idea that individual capabilities differ vastly from person to person. The principal results can be summarized as follows: No correlation exists between successful solving of the tasks and the quantity of information demanded, which a priori could look like a little paradox. But, rather, this result shows that intuition constitutes a differentiating feature: the use of information collected varies greatly from person to person and is independent of the quantity alone. What is important is not the volume of what is received, but rather the specific treatment that the input data receive. Westcott was interested in subjects whose scores were extreme with respect to the two dimensions specified previously. He thus put together four groups corresponding to as many groups of individuals: those who require little information, yet often are successful. Such persons are by definition intuitive subjects, representing no more than 6 % of the total population. those who require little information, but are seldom successful. They are the â€Å"guessers†, free from a real intuitive process. those who need a great deal of information and are often successful. Their performance is prudent, as they never attempt anything if they are under informed. finally, there are those who require a great deal of information and fail most often. They are unable to use information correctly even if the information available is abundant. In all samples studied, a positive correlation exists between success and the degree of confidence in the solutions proposed, which indicates that the test subjects are sufficiently aware of their performance. By contrast, the correlations between confidence and the quantity or information demanded are all negative. It means that the more information a subject demands, the less confidence he has in the responses he gives. Finally, the correlations between confidence and the efficacy score are all positive. Westcott then tried to establish relations that might exist between the four scores mentioned and various aptitudes or personality traits measured by means of various tests. He found a negative correlation between the information demand and the verbal and numerical factors of intelligence, while success, too, seems to be positively related. This confirms the results showing that using intuitive thought seems to go hand in hand with high intelligence. As for personality traits, success is negatively correlated with anxiety. The same goes for the efficacy score, which is also positively related to flexibility. In other words, the subjects who need little information seem to be less stable and more engaged in what they are doing than are subjects who demand much information. The former are also less conformist and less sociable. Finally, the subjects who often succeed tend to be more confident in themselves, while those who often fail are more anxious. The capacity to resolve problems i ntuitively thus belongs to a specific set of personality traits. In the second part of his research, Westcott was interested in the behavior of perceptive inference, conceived a different field of manifestation of the intuitive thought that does not differ fundamentally from problem solving. How do individuals categorize their universe of perceptions? Here, too, the quantity of the information demanded will be considered on the one hand, and the ability to formulate valid conclusions in a perception related task on the other hand. The experimental material used consisted of several images borrowed from childrens books. Each image was cut into a series of seven or eight blocks arranged in the increasing order of completeness. The elements of information occurring in a specific block reappeared evidently in the neighboring block, whereupon the original design gradually re-emerged in its totality. The pictures were presented individually to each subject, beginning by the least complete block, such as a simple sketch of some features. The subjects got the instruction to identify the design as soon as they could, i.e. using the least possible number of blocks. There were thus two different passing conditions: first, the images were presented in the increasing degree of completeness and for as long a time as the subject desired. He could give as many responses as he pleased until he succeeded. Evidently, two measures can be applied here: the mean of the number of responses at which the first attempt to identification is made, and the mean of the number of responses at which the correct answer is given. In the second procedure the subjects could only give one response. The sequence was, however, broken as soon as response, good or wrong, was given. Three scores can be defined here: the mean of the responses corresponding to the demand of information in attempts to resolve the problems; the total number of correct identifications corresponding to the measure of success; and the ratio of the second to the first measure of efficacy. The experiments were carried out on 17 samples, where the age of the test subjects ranged from tender childhood to adulthood. It was thus possible to study individual differences at a given age on the one hand, and the differences between groups as a function of age and the level of education. Westcott has, for instance, established a correlation between the success at examinations and the IQ. This relation seems positive, which confirms the results of the foregoing experiment. Yet, this coarse piece of data for aptitude in mathematics is differentiated according to age. With the youngest ones this aptitude accompanies the higher scores of success and efficiency, while the students results show that this aptitude depends to a lesser degree on efficiency and on a higher demand of information, which does not necessarily accompany success. In other words, Westcott studied the relations between intuitive performance and creativity. The method used consisted of requiring that the teachers teaching the test subjects explain explicitly their own definition of creativity and then rank their students in accordance with this definition. In one of the samples, for instance, the teacher defined creativity by contrasting it to simple imagination and supposed that it requires aggressiveness, initiative, and a minimum of intelligence. Of the 26 test subjects, four most creative and four least creative subjects were selected using this concept. As for the mean number of correct responses obtained, it was found that the most creative students appeared among the top seven individuals, and the least creative ones occupied the bottom five posts. In another sample, the teacher defined creativity by distinguishing it from intelligence, and associating it with flexibility and original expression of oneself. In view of this definition five very creative students along with four very little creative students could be identified. The results obtained confirm those of the foregoing sample: the less creative ones occupy the four lowest tiers as for the number of correct responses provided in the test of perceptive inference. Thus, in the ensemble there is a strong correlation between intuitive behavior and the estimated individual creativity. According to Westcott, the opacity that characterizes the phenomenon of intuition may be due to three causes: it can follow from the fact that certain elements included in the process are inconscient; it can follow from the fact that the relationships between these elements are inconscient; or it can follow from the fact that these elements are comprised in the multiple and complex contexts obtained subliminally, peripherally or accidentally. It is also necessary to note that the intuitive behavior is useful and necessary only in certain situations. In general, our environment is very redundant, it is well informed. It could be said that the same thing is true about creative behavior the emergence of which mostly remains an exceptional phenomenon. Westcotts results make it possible to give a real content to the notion of intuition: the definition of explicit experimental operations permits, at least partially, to eliminate myths about intuition and treat it as a behavior. Of course, these initial results must be largely completed, but they already sketch the path of additional approach to the creative process.

Cross-Listing :: Business, Stock Exchange

Cross-listing can be defined as the listing of a company’s shares in a stock exchange beyond its home country boundaries. It can also be termed as a secondary listing for firms those which are already listed in their home country. Typically, when companies grow bigger and diversify business, they opt for cross-listing to raise capital from larger and more liquid foreign markets. In 2009, nearly 3100 firms cross listed their equity on major overseas stock exchanges globally (World Federation of Exchanges, 2010, list provided in appendix) . It is not only pursued by companies from developed countries but companies from emerging countries are also actively participating. Some major global cross-listing destinations are – New York Stock Exchange, NASDAQ, London Stock Exchange, Tokyo Stock Exchange, Shanghai Stock Exchange, and so on. The key focus of this paper will be on examining the stock price reaction and the patterns of returns before and after listing date for a diverse sample of firms from different countries specifically in the case of London Stock Exchange (LSE). Existing literature has enough evidence that cross-listings on US exchanges are associated with considerable positive stock market reactions (Foerster and Karolyi, 1999; Miller, 1999). However, there has been limited research on the impact of cross-listing on non US exchanges. This serves as a primary motivation for my interest to explore and gain understanding on a stock’s return in its home market as result of cross-listing on LSE. The rest of this paper is structured in the following manner. Section 2 provides a literature review, while section 3 outlines the data, sample and research methodology. Section 4 presents the empirical results and its discussions. Finally, in section 5 I draw a conclusion. In this section, I present an overview of the existing literature that has been reviewed as a part of gaining an understanding on the extent of work that has already been done on the topic of cross-listing and its impact on stock returns. Moreover, literature review was also essential for understanding the statistical methodologies and approaches that I can apply in this paper for testing my hypothesis. Cross listing has been a topic of immense interest among researchers for a long time. There has been lot of developments as well as debate in the cross-listing literature on its different aspects such as motivation for companies to cross-list, whether cross-listing creates value, its impact on risk and return, its financial and economic impacts so on and so forth.

Why Michael Jackson is the greatest musical artist

Do you know of a person who has won more awards than any other person in the music industry? What about a person who has inspired other performers to see the world from a different perspective? Or a man who is also ‘there’ for those in need of shelter, food, and water? Only one man in this world, who has distinguished himself through these great accomplishments, is the answer to these questions, and he is Michael Jackson. Indeed, he is perhaps the greatest musical artist of all time because of his success as an artist, whose list of achievements is endless; because of how his music changed the way people look at the world, and also because of how his kind-hearted, caring personality affected others. Firstly, Michael Jackson is the greatest musical artist of all time because of his success. He has released 13 different singles that have reached No. on the charts – definitely more than any other male artist in our history! In addition, he has been officially set as the Most Successful Entertainer of All Time for selling an approximate 750 million records worldwide. Also, he has 13 Grammy awards together with several Guinness World Records. His â€Å"Thriller† album is known as the Biggest Selling Album of All Time while his other records such as â€Å"Off the Wall†, â€Å"Bad†, and â€Å"Dangerous† are the top-sellers as well. So with these, Michael Jackson indeed is the greatest musical artist of all time for being very successful. Secondly, Michael Jackson’s kind-hearted personality also makes him the greatest musical artist. He is a humanitarian who has helped over 40 charities and foundations that include the American Cancer Society, AIDS Project Los Angeles, Make-A-Wish Foundation, End Hunger Network, Childhelp USA, and Great Ormond Street Hospital. In addition, he has spent at least 350 million dollars in funding these purposes. His charitable activities are countless and their effects are enduring. For example, when he established the Heal the World Foundation, it donated 6 tons of supplies as well as supporting treatment for drug and alcohol abuse in Sarajevo. Generally, the fact that Michael Jackson ‘healed the world’ really makes him the greatest musical artist. Lastly, the way Michael Jackson’s music changed the way people look at the world makes him the greatest musical artist of all time. His songs such has â€Å"Man in the Mirror†, â€Å"Black or White†, â€Å"Heal the World†, and â€Å"We are the World† have sent out messages to people to promote positive causes and impacts; whether it is about racism, war, or unity. In addition, his musical style paved way for many artists to develop their skills or invent new styles of music. Moreover, he also influenced many dancers through his music videos such as â€Å"Thriller†, â€Å"Billie Jean†, â€Å"Smooth Criminal†, and more. Hence, his label as the greatest musical artist can be truly defined through his influence in the way people look at the world. Unlike many artists, this man has made major impacts to people of all races around the world. Even 2 years after his death, people still mourn over him because of how important he is to our lives. Whether is it because of his success as an artist, because of a man with a kind-hearted personality, or because of how a man’s music has changed people’s point of views, Michael Jackson is truly the greatest musical artist of all time.

RTL Implementation of MP3 Decoder IP Core

RTL IMPLEMENTATION OF MP3 DECODER IP CORE Abstraction The intent of this survey is to look into the effectivity of the MP3 decrypting design in hardware comparison to the more popular package design. Nowadays, the MP3 file format is the most popular criterion for audio compaction, used in playback device such as audio participants and nomadic phones. While MP3 decryption is one of the indispensable portion in multimedia system, most of the decryption design are software-based, peculiarly because of the design of the system, which is easier compared to the hardware portion. However, the package design has higher clock, therefore higher power ingestion. This happens because of the design itself ; it has more iteration in the scheduling algorithm. There are undertakings that combine both hardware and package design in the MP3 decrypting creative activity, but the standalone hardware rational belongings ( IP ) nucleus is still non good explored. This paper will present a brief position on the basicss of the undertaking, every bit good as the needed inside informations needed in working on the undertaking. Every inside informations presented in the study are either gathered from diaries, books and the online beginning available. The mark of this undertaking is to run the designated IP nucleus and implemented in Register Transfer Level ( RTL ) manner, in which it easy means utilizing the hardware descriptive linguistic communication ( HDL ) as the footing linguistic communication for the design.Table OF CONTENTSChapterTitlePageDedication2Recognitions3Abstraction4Table OF CONTENTS5List OF FIGURES71.0Introduction81.1Undertaking Background81.2Aim91.3Problem Statement91.4Scope of the Undertaking102.0Literature Review112.1Related Studies and Previous Work112.2Introduction to the MP3 Decoding Core132.2.1Synchroscope142.2.2Huffman Decoding152.2.3Requantiser162.2.4Reordering172.2.5Antialiasing182.2.6Inverse Modified Discrete Cosine Tr ansform ( IMDCT )192.2.7Synthesis Polyphase Filterbank203.0Research Methodology223.1Introduction223.2Ocular Representation of Research Methodology223.2.1Altera DE2 Board243.2.2Altera Quartus II253.2.3NIOS II25List OF FIGURESFIGURE NO.TitlePage2.1The MP3 bitstream format192.2The three parts of frequence line202.3The reordering procedure ( the darker coloring material represents higher frequences )222.4The antialias butterfly232.5Types of window sequences in a subband252.6The IMDCT operation flow273.1The undertaking work flow3.2The Altera DE2 board ( beginning: hypertext transfer protocol: //www.terasic.com.tw/ )293.3The Quartus II work bench environment303.4The NIOS II work bench environment31Chapter 1 IntroductionUndertaking BackgroundMPEG-1/2 audio layer-3 ( MP3 ) is a most popular format for playback of high quality compressed sound. During the recent old ages the application of MP3 sound codec has exploded. Typically MP3 files are played back utilizing package ( CPU or DSP ) , but recent tendencies have since informant the outgrowth of portable device, such as nomadic phones and MP3 participants. While DSP architecture is the most efficient for running MP3 participant, the challenges of FPGA execution of MP3 decrypting are less understood. Field Programmable Gate Array, merely known as FPGA, is one type of incorporate circuit that is consumer-programmable, therefore it is called â€Å"field programmable† . This incorporate circuit uses hardware descriptive linguistic communication ( HDL ) to configure. Nowadays, FPGA has since advanced into a high degree of efficiency during the past decennary. It has since become the major HP in different types of application, since it can be employed as standalone System on Chip ( SoC ) or powerful gas pedals in multi-chip system. The mark of the undertaking is to implement the MP3 decrypting nucleus by using the FPGA belongingss. While utilizing the bing package codification to run the decipherer in package, efforts has been done to run the decipherer in hardware, which will go the chief way in this undertaking. Then, comparing the public presentation of these two methods will besides be the focal point of the undertaking.AimThe aim of this undertakings are:To plan the MP3 decipherer hardware based and can be implemented in portable based designTo measure the efficiency of the hardware based decipherer comparison to the common package based deciphererProblem StatementMost of the MP3 decryption designs are of in package. However, the hardware importance of the decryption design has since taken the popularity today. Therefore, several efforts have been taken to make the to the full hardware architecture of the decryption nucleus. This paper will measure the efficiency of the hardware decipherer as per package d ecipherer and to look into the advantages of both methods.Scope of the UndertakingThe range of the undertaking includes combination of several elements such as hardware, package and electronic parts. Below are the Scopess for the undertaking.Uses Verilog HDL linguistic communication as its chief footing for programmingExplore the application of Verilog utilizing Altera DE2 BoardInclude package programming such as C and C++Implement the application ( partial ) utilizing downloaded package for package execution ( Quartus II 9.1, Nios II 9.1 )Chapter 2 LITERATURE REVIEW In 1988, Hiroshi Yasuda ( Nippon Telegraph and Telephone ) and Leonardo Chiariglione had initiated the working group Traveling Pictures Experts Group ( MPEG ) to put the criterions for audio and video compaction and transmittal. The group, formed by International Organisation for Standardisation ( ISO ) and International Electrotechnical Commission ( IEC ) , has since developed into an organisation joined by members from assorted industries, universities and research establishments. One of the criterions that have created is the MPEG-1 Layer 3, or good known as MP3. MP3 is the standard format used for digital audio compaction, in which the design have 12:1 compaction ratio, from 1.4Mbps 128kbps bitrate for compact phonograph record ( Cadmium ) music.Related Studies and Previous WorkIt is known that MP3 decrypting procedure is a hard procedure, but several research workers and industrialist have attempted to plan the decipherer for this specific format. For case, Faltmanet Al.( 2003 ) have stated that the designing of MP3 decrypting in portable and stand-alone participants have gained in popularity. In the study, Faltmanet Al.( 2003 ) besides stated the importance in the public presentation of these hardware MP3 decrypting based on the clock rhythms and power use. It besides includes an effort to to make an MP3 decipherer in hardware, by utilizing Xilinx FPGA board. Thuonget Al.( 2005 ) have proposed the architecture of the MP3 decryption nucleus, in which the subcores of the architecture can be separately designed, coded and tested easy. However, the design of the nucleus is coded utilizing VHDL, the older version of RTL linguistic communication. Ko and Nicolici ( 2007 ) have tested the execution of the nucleus utilizing Altera DE2 board and Xilinx multimedia board. It besides has consequences including the figure of logic elements, reversals, memories and multipliers involved. Bhargav and Yang ( 2008 ) have introduced the use of Linux-run interface on the decryption nucleus. Their research has besides opened the possibilities of animating the popular piece of consumer engineering utilizing bing hardware available in the lab. Still, the design utilizes both hardware and package constituent in their design architecture. It has few general lags due to system clock and debugging procedure. Singhet Al.( 2008 ) have proposed that the demand of hand-held participants and multimedia in nomadic phone have raised a demand for a dedicated hardware to decrypt the file formats with low power ingestion and faster acceleration. Papakonstantinouet Al.( 2008 ) have researched instance survey on the execution of drifting point math in decipherer execution to accomplish existent clip and faster decrypting procedure. In the instance survey, the writers introduce floating-point ( FP ) unit in their architecture to measure the operation velocity ; therefore naming it the FP execution of MP3 decryption. In the latest research by Moslehpouret Al.( 2013 ) , the undertaking uses NIOS II system, which is a portion of package device, to read files and produces end product from the decrypting procedure. By utilizing unafraid digital ( SD ) card as input devices, the system uses Altera DE2 board but synthesize different file format: moving ridge files, or.wav extension files. Even so, the exposure of the study have shown that running the decipherer is possible, peculiarly because of package characteristics use Altera SOPC builder in Altera Quartus 9.1 environment, in which the platform is largely used in third instruction degree. Some of the old work did even make the architectural design of MP3 decipherer, utilizing a VLSI cell-based attack. Tsaiet Al.( 2004 ) have proposed the specific architectural construction of MP3 decipherer in which it achieves a high throughput with a decreased memory demand and hardware complexness. Meanwhile, Kalpanaet Al.( 2012 ) have tried to implement the algorithm on the decreased direction set computer science ( RISC ) based ARM processor, which is far more advanced, proficient wised. All of the old work did hold its important characteristics in edifice MP3 decryption nucleus, either in hardware or package. However, the execution of MP3 decrypting IP nucleus, which uses Verilog HDL as its hardware linguistic communication, as implementing it to the full hardware based is non good discovered. Therefore, the focal point is the study is to undertake the design of MP3 decrypting nucleus, on the surface at least.Introduction to the MP3 Decoding CoreHarmonizing to Kalpanaet Al.( 2012 ) , all MP3 files are divided into fragments called frames. Each frames shops 1152 samples, enduring for 26ms, which the frame rate is about 38 frame per second ( Federal Protective Service ) . The first measure to decrypt MP3 file format is by happening the start of the frame, which is called synchronism procedure, or else called initial reading.SynchroscopeBefore decryption, the start of the frame must be found. If the frame is interrupted, we can non happen the exact place of the followi ng frame ( Thuonget Al., 2007 ) . The construction of the frame consists of 5 parts ; heading, cyclic redundancy cheque ( CRC ) , side information, chief informations and accessory informations.HeadingCRCSide InformationMain informationsAncillary Data Figure 2.1The MP3 bitstream format The inside informations about the frame heading is as follows:Frame HeaderIt is a 32-bit long and has description of the frame, together with the synchronism word to separate the get downing portion of the bitstreamCRCUse to look into if there is any transmittal mistake for the most sensitive informations. The CRC will merely exists when the protection spot in the heading is set.Side InformationIncludes the of import information needed to decrypt the chief information. This depends on the channel manner. For individual channel, 136 spots are allocated, while for double channel, 256 spot allocated ( this is tantamount to 17 bytes in individual channel, 32 bytes in dual-channel )Main DataThe chief informations portion consists of the frames that includes scalefactors, Huffman coded spots and accessory informationsAncillary DataThis information can keep user-defined information. This frame country can keep optional informations such as vocal name or song information.Huffman DecodingThis subdivision contains one of the most of import undertaking in MP3 decryption. The undertaking of Huffman decrypting is to transform and mapping the information into scalefactors and symbols stand foring the 576 original frequence lines for each granule. These frequence line is divided into three divider ;Big-values,Count1andRzero. Big-valuesCount1Rzero Figure 2.2The three parts of frequence line Detailss on the Huffman codification divider are as follows:Big-valuesRepresents the lowest frequence lines and are coded with the highest preciseness, scaled from values between -15 to 15. When the decipherer finds the value 15, it assumes that the higher preciseness is needed. This can be done by utilizing the value 15 as an flight codification, so reads extra spots from the imput watercourse. The figure specified in the Huffman tabular array are called linbits.Count1Represent the higher frequence lines ; non necessitate the higher preciseness scaled value. Ranging from -1 to 1.RzeroRepresent the highest frequence lines, and non portion of the bitstream. It contains the the frequence lines that are removed by the encoder. These values are filled with nothing by the decipherer.RequantiserThe symbols generated from Huffman decrypting is so reconstructed into the original frequence line by utilizing the scalefactors provided in the side information of the frame. The low frequence scal efactor set contains less values than the high frequence. The descaling equation for both short blocks and long blocks are defined as Short blocks: Long blocks: The denoted scalefactorsscalefactor_sandscalefactor_lused by requantiser are provided by Huffman decipherer. Parametersglobal_gain,subblock_gainandpreflagcan be found in the frames provided by the Synchroniser block. The notaiondefines end product from the Requantser block, whileis the Huffman decoded value at indexI.ReorderingThis block merely has one undertaking: it reorders the frequence lines within a granule. When the short block is decoded, a short window will be used. The end product is so sorted into subbands, so on frequences and at last by Windowss to increase the efficiency of Huffman coding. Figure 2.3The reordering procedure ( the darker coloring material represents higher frequences )AntialiasingAntialiasing is the procedure where its map is to cut down the inevitable assumed name effects because of the use of non-ideal bandpass filtering. The alias Reconstruction is based on the butterfly computation, dwelling of eight butterfly computation for each subband. Figure 2.4The antialias butterflyInverse Modified Discrete Cosine TransformInverse Modified Discrete Cosine Transform, known as IMDCT, reproduce clip samples from the frequence lines, together with synthesis polyphase filterbank. The clip samples can be obtained from the frequence lines by utilizing the undermentioned equation. The IMDCT operation flow begins by taking 18 input frequence lines and generates 36 polyphase filter subband samples. The samples so multiplied with with a 36-point window before passed into following decryption procedure. Windowing is the procedure of multiplying and overlapping add-on operation of IMDCT’s end product with the sine window coefficient. Based on the length of each window, four types of block is used ; they arestart,halt,shortandlong. The determination of block type is based on the analysis of the psychoacoustic theoretical account. Figure 2.5Types of window sequences in a subband However, bring forthing 36 samples from 18 input means that there are merely 18 samples are alone, therefore the IMDCT method uses a 50 % convergence. In this instance, the 36 end product samples is so divided into 2 groups, low group and high group, which has 18 samples each. The overlapping procedure is so carried out by adding values from the higher group, old frame with the lower group, matching frame. Then, the frequence inversion is so taken topographic point to accomplish right stage difference. This was done by multiplying every uneven subband with ( -1 ) . Figure 2.6The IMDCT operation flowSynthesis Polyphase FilterbankThis block is the last measure in decrypting procedure. It converts all 32 subbands to bring forth 32 Pulse Code Modulation ( PCM ) samples at a clip The filterbank exploits aliasing and windowing to travel the subbands back into their frequence sphere. This block is divided into two parts ; Modified Discrete Cosine Transform ( MDCT ) and windowing.Modified Discrete Cosine TransformEach clip frame of the subband samples are ordered so that the first 32 values are the first sub-sample from each subband, and so forth. The MDCT processes 32 values at a clip by utilizing the equation: where The end point end product values,is so stored in the barrel shifter.WindowingThe windowing procedure tallies by multiplying the valuesfrom the barrel shifter with the window map. This window map is specified in the ISO criterion. The PCM generated are so computed for each loop. The MDCT and windowing together run 18 times for each granule, bring forthing 576 PCM samples ( 27ms at 44.1kHz ) . Chapter 3 RESEARCH METHODOLOGYIntroductionThis chapter discusses the well planned attack taken during the project’s timeline to guarantee that the undertaking is good organized and run expeditiously. The methodological analysis is represented into a flow chart for easiness of apprehension.Ocular Representation of Research MethodologyThe designate work flow for the undertaking is shown below, in Figure 3.1. Figure 3.1The undertaking work flow The undertaking begins by researching any old plants related to the MP3 decryption and FPGA-based architecture execution. Besides that, several resources on hardware descriptive linguistic communication and package programming tutorial have besides looked at. The procedure involved in constructing the nucleus is studied and briefly elaborated to give excess cognition in order to carry through the research. The importance and intent of the undertaking is besides discussed in the first phase. The hardware used for proving and implementing the undertaking is Altera DE2 Educational Development Board. Figure 3.2The Altera DE2 board ( beginning: hypertext transfer protocol: //www.terasic.com.tw/ )Altera DE2 BoardThe Altera DE2 board provides everything needed to develop many advanced digital designs utilizing Altera Cyclone II device, with utilizing application package Altera Quartus II. This development board is the first measure to present and larn basic FPGA devices easy, since it is accessible in the lab. It is suited for a broad scope of exercisings in classs on digital logic and computing machine organisation, from simple undertakings that illustrate cardinal constructs to progress designs.Altera Quartus II Figure 3.3The Quartus II work bench environment Altera Quartus II is a package tool produced by Altera for analysis and synthesis of HDL designs, which enables the user to roll up their designs, execute clocking analysis, analyze RTL diagrams, imitate a design ‘s reaction and configure the mark device with the coder.NIOS II Figure 3.4The NIOS II work bench environment Nios II is the most widely used soft processor in the FPGA industry. Nios II incorporates many sweetenings over the original predecessor, Nios architecture, doing it more suited for a wider scope of embedded computer science applications, from DSP to system-control. The development for Nios II consists of two separate stairss: hardware coevals, and package creative activity.

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