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检索条件"主题词=Audio coding"
1193 条 记 录,以下是341-350 订阅
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coding and transmission of three-dimensional sound using its spatial features
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ACOUSTICAL SCIENCE AND TECHNOLOGY 2012年 第5期33卷 326-328页
作者: Ando, Akio NHK Sci & Technol Res Labs Setagaya Ku 1-10-11 Kinuta Tokyo 1578510 Japan
In this paper, we proposed a method of coding and transmitting 3D multichannel sound, which transmits eight- channel signals for family-style reproduction and signals representing the spatial difference between the or... 详细信息
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Low-delay and Ultra-Low-Delay coding in MPEG-4 AAC
Low-delay and Ultra-Low-Delay coding in MPEG-4 AAC
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11th IFAC/IEEE International Conference on Programmable Devices and Embedded Systems (PDeS)
作者: Brzuchalski, G. Wieczorek, M. Warsaw Univ Technol Inst Radioelect PL-00661 Warsaw Poland
MPEG Advanced audio coding (AAC) supports 2048-sample windows which give quiet long delay (about 50ms for coder). In this paper we propose AAC Low Delay codecs with 1024-sample window (23ms delay) and Ultra Low Delay ... 详细信息
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Greedy Sparse RLS
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2012年 第5期60卷 2194-2207页
作者: Dumitrescu, Bogdan Onose, Alexandru Helin, Petri Tabus, Ioan Tampere Univ Technol Dept Signal Proc Tampere 33720 Finland Univ Politehn Bucuresti Dept Automat Control & Comp Bucharest Romania
Starting from the orthogonal (greedy) least squares method, we build an adaptive algorithm for finding online sparse solutions to linear systems. The algorithm belongs to the exponentially windowed recursive least squ... 详细信息
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A Low-Complexity Spectro-Temporal Distortion Measure for audio Processing Applications
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IEEE TRANSACTIONS ON audio SPEECH AND LANGUAGE PROCESSING 2012年 第5期20卷 1553-1564页
作者: Taal, Cees H. Hendriks, Richard C. Heusdens, Richard Royal Inst Technol KTH Sound & Image Proc Lab SE-10044 Stockholm Sweden Delft Univ Technol Signal & Informat Proc Lab NL-2628 CD Delft Netherlands
Perceptual models exploiting auditory masking are frequently used in audio and speech processing applications like coding and watermarking. In most cases, these models only take into account spectral masking in short-... 详细信息
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A Graphical Representation and Dissimilarity Measure for Basic Everyday Sound Events
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IEEE TRANSACTIONS ON audio SPEECH AND LANGUAGE PROCESSING 2012年 第5期20卷 1542-1552页
作者: Adiloglu, Kamil Annies, Robert Wahlen, Elio Purwins, Hendrik Obermayer, Klaus Tech Univ Berlin D-10623 Berlin Germany Hamburg Univ Appl Sci D-20099 Hamburg Germany Univ Pompeu Fabra Mus Technol Grp Dept Informat & Commun Technol Barcelona 08018 Spain Tech Univ Berlin Neural Informat Proc Grp NI D-10587 Berlin Germany
Studies of Gaver (W. W. Gaver, "How do we hear in the world? Explorations in ecological acoustics," Ecological Psychology, 1993) revealed that humans categorize everyday sounds considering the processes that... 详细信息
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An audio Compression Method Based on Wavelets Subband coding
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IEEE LATIN AMERICA TRANSACTIONS 2011年 第5期9卷 610-621页
作者: Kemper, G. Iano, Y. Univ Estadual Campinas UNICAMP Sao Paulo Brazil
This paper presents an audio compression method based on wavelets sub-band quantization and coding, and proposes a coder based on that method. The proposed coder uses the wavelets packets transform in order to obtain ... 详细信息
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Tutorial on Critical Listening of Multichannel audio Codec Performance
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SMPTE MOTION IMAGING JOURNAL 2012年 第8期121卷 30-45页
作者: Bharitkar, Sunil Davidson, Grant Fielder, Louis Crum, Poppy USC Audyssey Labs Los Angeles CA USA USC Dept Elect Engn Los Angeles CA USA Dolby Labs San Francisco CA USA Stanford Univ CCRMA Stanford CA 94305 USA Johns Hopkins Med Sch Dept Biomed Engn Los Angeles CA USA
Listening for impairments introduced by multichannel audio codecs is an important task. Classical objective methods are not adequate in assessing audio coding schemes. Accordingly, International Telecommunications Uni... 详细信息
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USB audio Chip Based Oscilloscope and Signal Generator for Mobile Laboratories
USB Audio Chip Based Oscilloscope and Signal Generator for M...
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2012 International Conference on Signals and Electronic Systems (ICSES)
作者: Jaanus, Martin Udal, Andres Tallinn Univ Technol Dept Comp Control EE-19086 Tallinn Estonia
Paper presents a cost-efficient and convenient solution for computer-aided AC measurements that student can perform either in university lab or at home. A commercial audio codec chip with USB interface is used to desi... 详细信息
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Designing of the Digital Voice Recording System on SOPC
Designing of the Digital Voice Recording System on SOPC
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IEEE 5th International Conference on Advanced Computational Intelligence (ICACI)
作者: Yuan, Hailin Xu, Pingping Hubei Inst Nationalities Dept Comp Sci Enshi 445000 Hubei Peoples R China
This paper introduced a scheme of design an embedded digital voice recording system on SOPC technology. By configure NiosII soft core CPU and some corresponding interface modules on a PFGA to construct an embedded sys... 详细信息
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Union of MDCT Bases for audio coding
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IEEE TRANSACTIONS ON audio SPEECH AND LANGUAGE PROCESSING 2008年 第8期16卷 1361-1372页
作者: Ravelli, Emmanuel Richard, Gal Daudet, Laurent Univ Paris 06 Inst Jean le Rond Alembert LAM F-75015 Paris France GET ENST Tlcom Paris TSI Dept F-75014 Paris France
This paper investigates the use of sparse overcomplete decompositions for audio coding. audio signals are decomposed over a redundant union of modified discrete cosine transform (MDCT) bases having eight different sca... 详细信息
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