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Relevant bibliographies by topics / Digital Audio / Dissertations / Theses

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Dissertations / Theses on the topic 'Digital Audio'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Buonviri, Nathan. "Audio-OnlyTest [Digital File]." Diss., Temple University Libraries, 2010. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/254227.

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Music Education<br>Ph.D.<br>The purpose of this study was to determine how pitch and rhythm aspects of melodic memory are affected by aural distractions when melodic stimuli are presented both visually and aurally, as compared to aurally only. The rationale for this research is centered on the need for improved melodic memory skills of students taking melodic dictation, and the possibility that temporary visual imagery storage of target melodies might enhance those skills. The participants in this study were undergraduate and graduate music majors (n=41) at a large northeastern university. All

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Buonviri, Nathan. "Audio-VisualTest [Digital File]." Diss., Temple University Libraries, 2010. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/254228.

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Music Education<br>Ph.D.<br>The purpose of this study was to determine how pitch and rhythm aspects of melodic memory are affected by aural distractions when melodic stimuli are presented both visually and aurally, as compared to aurally only. The rationale for this research is centered on the need for improved melodic memory skills of students taking melodic dictation, and the possibility that temporary visual imagery storage of target melodies might enhance those skills. The participants in this study were undergraduate and graduate music majors (n=41) at a large northeastern university. All

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3

Gartenlaub, Arie Gal. "Hi fi digital audio tape to SUN workstation transfer system for digital audio data." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA282550.

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4

Tu, Ronghui. "Semi-fragile digital audio watermarking." Thesis, University of Ottawa (Canada), 2003. http://hdl.handle.net/10393/26432.

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The digital information has brought many changes to our life in recent decades. With the rapid growth of digital information, a lot of new techniques are coming into being. Digital watermarking is one of them. This thesis presents a semi-fragile audio watermarking scheme which can be applied to content authentication or copyright verification. The major contribution of this thesis is the introduction and implementation of a unified copyright verification and content authentication algorithm for audio signal. In our approach, we embed the watermark in the discrete wavelet domain of an audio by

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5

Hella, Vegard. "Digital Audio Restoration : Denoising phonograph recordings." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-23521.

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This master's thesis realize an audio noise reduction tool by use of digital signal processing. The tool is used to restore phonograph recordings. The recordings are restored on behalf of Ringve Museum, Norway's national museum of music and musical instruments. Sometimes the noise can be louder than the actual audio. In the view of a museum or library institution, this makes them less valuable as they are not presentable to the general public. A common restoration environment will include multiple tools. We will only specialize in one of them reducing broadband, stationary and additi

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Hlaváček, Ondřej. "Business models of digital audio distribution." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-7907.

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This thesis considers current status of recording industry divided into two parts -- music and audiobooks, either in the whole world and Czech Republic. Used technologies, payment systems and business models are examined alongside with fresh information from recording industry. The models part describes an ideal business model, which incorporates current trends and creates a vision of the business in the future. Applied part adjusts this model according to real world factors into a model usable in the Czech Republic. A final SWOT analysis describes all strengths, weaknesses, opportunities and

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7

Lin, Xiao. "High quality audio coding." Thesis, University of Southampton, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357991.

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8

Janiszewski, Marcin Józef. "Audio effects unit." Master's thesis, Universidade de Aveiro, 2011. http://hdl.handle.net/10773/6237.

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Mestrado em Engenharia Electrónica e Telecomunicações<br>O objectivo principal da presente tese de mestrado centrou-se no desenho e construção de uma unidade de efeitos de áudio (Audio Effects Unit -AEU), cuja função consiste em processar sinais áudio em tempo real. O propósito central foi desenvolver uma unidade de processamento áudio genérica, cuja função de processamento, implementada no domínio digital, pode ser facilmente especificada pelo utilizador via uma aplicação de software implementada num computador. A primeira etapa deste projecto consistiu na implementação completa do hardware

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9

Bengtsson, Fredrik, and Rikard Berglund. "Digital compensation of distortion in audio systems." Thesis, Linköping University, Department of Electrical Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-56392.

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<p>The advancements of computational power in low cost FPGAs are giving the opportunityto implement real-time compensation of loudspeakers and audio systems. The need for expensive commercial audio systems is reduced when the fidelity ofmuch cheaper audio systems easily can be improved by real-time compensation. The topic of this thesis is to investigate and evaluate methods for digital compensationof distortion in audio systems. More specifically, a VHDL module isimplemented to, when necessary, alleviate the problem of drastically deterioratingfidelity of the bass appearing when the input pow

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10

Ligeti, Agnes. "Coverage optimization in digital audio broadcasting network." Licentiate thesis, KTH, Signaler, sensorer och system, 1997. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-712.

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11

Hans, Mathieu Claude. "Optimization of digital audio for Internet transmission." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/14894.

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12

Amphlett, Robert W. "Multiprocessor techniques for high quality digital audio." Thesis, University of Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337273.

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13

Asavathiratham, Chalee. "Digital audio filter design using frequency transformations." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/39065.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.<br>Includes bibliographical references (leaves 80-81).<br>by Chalee Asavathiratham.<br>M.Eng.

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14

Terren, Michael. "The grain of the digital audio workstation." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2019. https://ro.ecu.edu.au/theses/2201.

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This thesis explores the material conditions and practices of the digital audio workstation (DAW), treating them as a subject of musical composition. The DAW is a software application currently ubiquitous in facilitating the creation of recorded and electronic music. Despite its prominence, few have articulated its unique possibilities for compositional practice, or historically contextualised the emergence of such practices. To clarify the locus of inquiry, a theoretical framework termed the grain of the DAW is developed. Derived primarily from Roland Barthes’ notion of the grain (1977), it i

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15

Vercellesi, G. "Digital Audio Processing in MP3 Compressed Domain and Evaluation of Perceived Audio Quality." Doctoral thesis, Università degli Studi di Milano, 2006. http://hdl.handle.net/2434/36412.

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The state of the art provides several digital audio signal processing in uncompressed domain (PCM Pulse Code Modulation). We can found several works in the literature which explain different methods to modify an audio signal both in the time and in the frequency domain, in order to normalize the intensity, or to apply filters, special effects and so on. Currently the MP3 format has not been deeply considered by literature. The most meaningfully works are related to MP1 and MP2 formats. There is not a exhaustive formalization of the digital audio signal processing in the MP3 compressed do

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Paradise, Richard A. "Modeling and simulation of the physical layer of the single channel ground and airborne radio system (SINCGARS)." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Jun%5FParadise.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, June 2005.<br>Thesis Advisor(s): Frank Kragh, Herschel H. Loomis. Includes bibliographical references (p. 55-56). Also available online.

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Karlsen, Espen, and Magne Tørresen. "A digital audio playback system with USB interface." Thesis, Norwegian University of Science and Technology, Department of Electronics and Telecommunications, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9051.

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<p>A high performance sound card is designed and implemented using a USB enabled microcontroller and an external dataconverter. Data is retrieved either via USB or S/PDIF. The sampling clock is generated by a precision clock synthesizer. This is programmable and can be adapted to different sampling rates of USB data. The system supports 24 bit, 192 kHz audio. Signal attenuation is performed through a relay based stepped voltage divider with constant output impedance. 64 dB attenuation in steps of 1 dB is available. An extensive power supply is made to support the range of required voltages.

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18

Quibell, Jason. "Digital control of a Class-D Audio Amplifier." Thesis, Cape Peninsula University of Technology, 2011. http://hdl.handle.net/20.500.11838/1116.

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Thesis (MTech (Electrical Engineering))--Cape Peninsula University of Technology, 2011<br>Modern technologies have led to extensive digital music reproduction and distribution. It is fitting then that digital audio be amplified directly from its source rather than being converted to an analogue waveform before amplification. The benefits of using a digital controller for audio processing include being able to easily reconfigure the system and to add additional functions at a later stage.Digital audio is primarily stored as Pulse Code Modulation (PCM) while Pulse Width Modulation (PWM) is

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Stensgaard, Pontus, Anders Alléus, and Jesper Palm. "Adaptive Mood Audio : Rethinking Audio for Games." Thesis, Blekinge Tekniska Högskola, Sektionen för planering och mediedesign, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2869.

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The focus of this thesis is to study the way that adaptive audio can be used in digital games and how it can be used to portray different moods to the listener, how games can reflect different feelings and how quickly those feelings can change. Games audio environment is significant to be able to adapt to the ever changing narrative of the game. The purpose is to gain insight in how immersion in digital games can be improved with the use of adaptive audio to study if there’s an easy way to implement a system where audio can be mixed and adjusted in realtime to mirror the events in the game

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Tilki, John F. "Encoding a Hidden Digital Signature Using Psychoacoustic Masking." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36785.

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The Interactive Video Data System (IVDS) project began with an initial abstract concept of achieving interactive television by transmitting hidden digital information in the audio of commercials. Over the course of three years such a communication method was successfully developed, the hardware systems to realize the application were designed and built, and several full-scale field tests were conducted. The novel coding scheme satisfies all of the design constraints imposed by the project sponsors. By taking advantage of psychoacoustic properties, the hidden digital signature is inaudible t

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21

Rodrigues, João Manuel de Oliveira e. Silva. "Codificação digital de áudio baseada em retroadaptação perceptual." Doctoral thesis, Universidade de Aveiro, 2004. http://hdl.handle.net/10773/2221.

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Doutoramento em Engenharia Electrónica<br>Faz-se uma análise do problema da codificação digital de sinais áudio de alta qualidade e identifica-se o princípio de codificação perceptual como a solução mais satisfatória. Apresenta-se uma síntese dos sistemas de codificação perceptual encontrados na literatura, e identificam-se, comparam-se e relacionam-se as técnicas usadas em cada um. Pela sua relevância para a codificação de áudio, faz-se um estudo mais aprofundado das transformadas e bancos de filtros multifrequência, da quantização, dos códigos reversíveis e dos modelos matemáticos da percep

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22

Kardamis, Joseph R. "Audio watermarking techniques using singular value decomposition /." Online version of thesis, 2007. http://hdl.handle.net/1850/4493.

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23

Stelmachowski, Krzysztof Jan. "Wireless audio unit." Master's thesis, Universidade de Aveiro, 2011. http://hdl.handle.net/10773/6207.

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Mestrado em Engenharia Electrónica<br>A presente tese pretende descrever o desenvolvimento de um sistema electrónico, cuja funcionalidade se baseia na transmissão de sinais áudio através da rede Wireless. Inicialmente foi estudada a família de microcontroladores PIC32, no qual se incluiu a sua forma de programação. Foi ainda realizada pesquisa acerca dos possíveis métodos de compressão de áudio, culminando com o desenvolvimento de algoritmos de compressão no software MATLAB. Seguidamente foi desenvolvida a PIC32 Module – daughterboard do projecto. Esta é uma componente universal que contém u

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Walls, Harold D. "Determinations a composition for tenor trombone and digital audio /." Muncie, IN : Ball State University, 2009. http://cardinalscholar.bsu.edu/838.

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Löytynoja, M. (Mikko). "Digital rights management of audio distribution in mobile networks." Doctoral thesis, University of Oulu, 2008. http://urn.fi/urn:isbn:9789514289378.

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Abstract Nowadays, content is increasingly in digital form and distributed in the Internet. The ease of making perfect copies of the digital content has created a need to develop a means to protect it. Digital rights management (DRM) relates to systems designed to protect the intellectual property rights of the digital content. The DRM systems try to enable a secure distribution of digital content to the users and to prevent the unauthorized copying, usage, and distribution of the content. This is usually done in practice using encryption and digital watermarking techniques. This thesis conce

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26

Palmer, Duncan. "Position estimation using the Digital Audio Broadcast (DAB) signal." Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/12456/.

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Over the past decades, there have been a number of trends that have driven the desire to improve the ability to navigate in all environments. While the Global Positioning System has been the driving factor behind most of these trends, there are limitations to this system that have become more evident over time as the world has increasingly come to rely on navigation. These limitations are mostly due to the low transmission power of the satellites, where navigation signals broadcast from space are comparatively weak, especially by the time they have travelled to receivers on the ground. This ma

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Williams, David J. "Songworld : for 7 amplified singers and digital audio tape." Thesis, Keele University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323713.

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Jacobs, Deon. "Digital pulse width modulation for Class-D audio amplifiers." Thesis, Stellenbosch : University of Stellenbosch, 2006. http://hdl.handle.net/10019.1/1574.

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Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2006.<br>Digital audio data storage mediums have long been used within the consumer market. Today, because of the advancement of processor clock speeds and increased MOSFET switching capabilities, digital audio data formats can be directly amplified using power electronic inverters. These amplifiers known as Class-D have an advantage over there analogue counterparts because of their high efficiency. This thesis deals with the signal processing algorithms necessary to convert the digital audio data obtain

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Hatch, Wesley. "High-level audio morphing strategies." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=83108.

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This thesis presents high-level strategies for controlling existing audio morphing algorithms. Prominent methods for spectrally representing audio data in the context of audio morphing are surveyed, and techniques involving manipulating and interpolating additive models are explored. Additionally, a combination of past audio-morphing approaches (sinusoidal morphing techniques as well as techniques taken from an MFCC approach) are employed in order to facilitate any type of sonic input. The system presented herein is meant to accommodate a wide range of inputs, and will adjust the impact

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Miller, Robin J. "COFDM for HF digital broadcasting." Thesis, University of Brighton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287067.

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Jacobsson, Trond. "Technical upgrade of an audio-mixer control." Thesis, Linköping University, Department of Science and Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7424.

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<p>Today the Sjöbjörn studio has a mixing console controlled by a PC with outdated software and</p><p>hardware technology. The hardware requires an ISA-bus to work at all and thereby limits the</p><p>upgrades that can be made to the computer. The software runs in a DOS environment and has not</p><p>been updated for a long time as well. This makes working with the mixing console more difficult</p><p>then it has to be and new features are hard to implement. In this thesis I have developed new</p><p>hardware so that a more powerful computer can be used which hopefully will allow for a more</p><p>

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Cvejic, N. (Nedeljko). "Algorithms for audio watermarking and steganography." Doctoral thesis, University of Oulu, 2004. http://urn.fi/urn:isbn:9514273842.

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Abstract Broadband communication networks and multimedia data available in a digital format opened many challenges and opportunities for innovation. Versatile and simple-to-use software and decreasing prices of digital devices have made it possible for consumers from all around the world to create and exchange multimedia data. Broadband Internet connections and near error-free transmission of data facilitate people to distribute large multimedia files and make identical digital copies of them. A perfect reproduction in digital domain have promoted the protection of intellectual ownership and t

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33

Nicholas, Joshua, and n/a. "Hollywood 2.0: Digital Audio-Visual Production as a Rhizomic Process." Griffith University. School of Arts, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060906.093359.

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This exegesis explores the notions of production process paradigm shift through the analysis of digital technologies and their effect on the production of 'CruelUnusual'. Chapter one of this exegesis has introduced the research question with appropriate methodologies to explore the rhizomic possibilities of the use of new digital technology (DV, WWW & DVD) through the design of new structures and frameworks for audio-visual production. Chapter two will outline the traditional production process from the first steps of the pre-production phase, through to the shooting and editing of the film,

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Nicholas, Joshua. "Hollywood 2.0: Digital Audio-Visual Production as a Rhizomic Process." Thesis, Griffith University, 2005. http://hdl.handle.net/10072/366365.

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This exegesis explores the notions of production process paradigm shift through the analysis of digital technologies and their effect on the production of 'CruelUnusual'. Chapter one of this exegesis has introduced the research question with appropriate methodologies to explore the rhizomic possibilities of the use of new digital technology (DV, WWW & DVD) through the design of new structures and frameworks for audio-visual production. Chapter two will outline the traditional production process from the first steps of the pre-production phase, through to the shooting and editing of the film,

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35

Lindström, Fredric. "Digital signal processing methods and algorithms for audio conferencing systems /." Karlskrona : Department of Signal Processing, School of Engineering, Blekinge Institute of Technology, 2007. http://www.bth.se/fou/Forskinfo.nsf/allfirst2/9cc008f2fa400e82c12572bb00331533?OpenDocument.

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36

Moreno, Martinez Eduardo. "Implementation of Digital Audio Broadcasting System based in SystemC Library." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2411.

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<p>This thesis describes the design and implementation of a Digital Audio Broadcasting (DAB) System developed using C++ Language and SystemC libraries. The main aspects covered within this report are the data structure of DAB system, and some interesting points of SystemC Library very useful for the implementation of the final system. </p><p>It starts with a introduction of DAB system and his principals advantages. Next it goes further into the definition of data structures of DAB, they are FIC, MSC, and DAB audio frame, explained with MPEG and PAD packets. Later on this chapter there is an ex

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Jiang, Jing Jing. "Self-synchronization and LUT based client side digital audio watermarking." Thesis, University of Macau, 2011. http://umaclib3.umac.mo/record=b2550676.

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Vlasenko, Michail. "Supervision of video and audio content in digital TV broadcasts." Thesis, KTH, Kommunikationssystem, CoS, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91935.

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An automatic system for supervision of the video and audio content in digital TV broadcasts was investigated in this master’s thesis project. The main goal is to find the best and most cost effective solution for Teracom to verify that the broadcast TV content as received by remote receivers is the same as that incoming to Teracom from content providers. Different solutions to this problem will be presented. The report begins with some background information about the Swedish terrestrial digital TV network and the MPEG-2 compression standard used to transport audio and video; including a descr

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Bonneville, Marc E. "Digital equalization for audio with application to loudspeakers and rooms." Thesis, University of Ottawa (Canada), 1992. http://hdl.handle.net/10393/7899.

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The application of a non-minimum-phase digital filterbank as graphic equalizer is investigated. The filterbank effected a timbral modification of some musical signals even though the magnitude response was unity. For this reason, the filterbank was rejected as a candidate for a high-fidelity graphic equalizer. A new type of equalizing filter is introduced in this work. This filter has the property that its log-magnitude frequency response is approximately linear in the gain term. This filter is used as a building block for an analog and digital parametric equalizer whose frequency response can

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Hamm, Simon, and sinonh@angliss edu au. "Digital Audio Video Assessment: Surface or Deep Learning - An Investigation." RMIT University. Education, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20091216.154300.

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This research aims to investigate an assertion, endorsed by a range of commentators, that multimedia teaching and learning approaches encourage learners to adopt a richer, creative and deeper level of understanding and participation within the learning environment than traditional teaching and learning methods. The thesis examines this assertion by investigating one type of multimedia activity defined (for the purposes of this research) as a digital audio video assessment (DAVA). Data was collected using a constructivist epistemology, interpretative and naturalistic perspective using prim

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Balraj, Navaneethakrishnan. "AUTOMATED ACCIDENT DETECTION IN INTERSECTIONS VIA DIGITAL AUDIO SIGNAL PROCESSING." MSSTATE, 2003. http://sun.library.msstate.edu/ETD-db/theses/available/etd-10212003-102715/.

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The aim of this thesis is to design a system for automated accident detection in intersections. The input to the system is a three-second audio signal. The system can be operated in two modes: two-class and multi-class. The output of the two-class system is a label of ?crash? or ?non-crash?. In the multi-class system, the output is the label of ?crash? or various non-crash incidents including ?pile drive?, ?brake?, and ?normal-traffic? sounds. The system designed has three main steps in processing the input audio signal. They are: feature extraction, feature optimization and classification. Fi

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Ledroit, Christien. "Streamlined : for chamber orchestra with electric guitar and digital audio." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79289.

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Streamlined is a musical composition for chamber orchestra. The entire piece was created from four basic musical fragments. These fragments are used melodically and as "roots" for chord progressions, eventually rendering melody and harmonic progression as one entity. These chord progressions move slowly from one chord to the other, through several intermediate chord progressions, metamorphosing into each other through carefully calculated and executed transformative processes.

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Cooper, Alan John. "Detection of copies of digital audio recordings for forensic purposes." Thesis, Open University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.430588.

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Payne, R. G. "Digital techniques for the analysis and synthesis of audio signals." Thesis, Bucks New University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234706.

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Igumbor, Osedum Peter. "A proxy approach to protocol interoperability within digital audio networks." Thesis, Rhodes University, 2010. http://hdl.handle.net/10962/d1004852.

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Digital audio networks are becoming the preferred solution for the interconnection of professional audio devices. Prominent amongst their advantages are: reduced noise interference, signal multiplexing, and a reduction in the number of cables connecting networked devices. In the context of professional audio, digital networks have been used to connect devices including: mixers, effects units, preamplifiers, breakout boxes, computers, monitoring controllers, and synthesizers. Such networks are governed by protocols that define the connection management rocedures, and device synchronization proc

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Britton, Sam. "Towards hypertextual music : digital audio, deconstruction and computer music creation." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/14949.

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This is a study of the way in which digital audio and a number of key associated technologies that rely on it as a framework have changed the creation, production and dissemination of music, as witnessed by my own creative practice. The study is built on my own work as an electronic musician and composer and draws from numerous collaborations with not only other musicians but also researchers and artists, as documented through commissions, performances, academic papers and commercial releases over an 9 year period from 2007 to 2016. I begin by contextualising my own musical practice and outlin

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Vemulapalli, Smita. "Audio-video based handwritten mathematical content recognition." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45958.

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Recognizing handwritten mathematical content is a challenging problem, and more so when such content appears in classroom videos. However, given the fact that in such videos the handwritten text and the accompanying audio refer to the same content, a combination of video and audio based recognizer has the potential to significantly improve the content recognition accuracy. This dissertation, using a combination of video and audio based recognizers, focuses on improving the recognition accuracy associated with handwritten mathematical content in such videos. Our approach makes use of a video

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Tai, Yuan-Hsiang, and 戴元翔. "Digital Audio Watermarking Techniques." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/88982778400158946239.

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Ya-Wen, Lu, and 呂雅文. "Digital Audio Watermarking and." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/64529496671049267594.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>91<br>Abstract In the last few years, the world has evolved into a multimedia age with booming Internet connectivity. It has become very easy to obtain and download digital data. However, easy access and duplication have posed serious problem of piracy in media distribution. The watermarking techniques are researched and developed to protect the ownership of owner and the author. In addition, the amount of bandwidth for multimedia applications and the dimensions of digital have been continuously growing, so that retrieval of information is becoming th

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Chang, Li-Chun, and 張立鈞. "Digital watermarking of audio signals." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/88684654504954397665.

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碩士<br>國立中正大學<br>電機工程研究所<br>88<br>Past few years multimedia have chance to advance, especially in MPEG-1 Layer 3 (MP3)─a standard of new generation in audio compression. Its compression rate is 1：10 ~1：12. This rate might economize a lot of saving spaces and might be more convenient for spreading on Internet. Therefore, the widespread of MP3 let people can search from Internet easily. But, at the same time, this kind of convenience let illegal people or pirate, through digital media or Internet, copy the original works without paying. These problems need to resolve urgently, so to develop

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