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检索条件"主题词=Audio coding"
1195 条 记 录,以下是341-350 订阅
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Estimating spatial cues for audio coding in MDCT domain
Estimating spatial cues for audio coding in MDCT domain
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IEEE International Conference on Multimedia and Expo (ICME)
作者: Shuixian Chen Ruimin Hu Shuhua Zhang Computer School Wuhan University of China Wuhan China National Engineering Research Center of Multimedia Software Wuhan University of China Wuhan China Department of Electronic Engineering Tsinghua University Beijing China
Although widely used otherwise, MDCT is excluded in the current scheme for spatial cues representation, due to its lacking of phase information and energy conservation. But combining MDCT with MDST overcomes the diffi... 详细信息
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Binaural reproduction for Directional audio coding
Binaural reproduction for Directional Audio Coding
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IEEE Workshop on Applications of Signal Processing to audio and Acoustics
作者: Mikko-Ville Laitinen Ville Pulkki Department Signal Processing and Acoustics Helsinki University of Technology Espoo Finland
Directional audio coding (DirAC) is a recently proposed method for spatial sound reproduction. So far it has been used only in loud-speaker reproduction, and a method for headphone reproduction is presented in this ar... 详细信息
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An efficient transient audio coding algorithm based on DCT and Matching Pursuit
An efficient transient audio coding algorithm based on DCT a...
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Congress on Image and Signal Processing, CISP
作者: Jing Wang Hailong He Ning Ning Jingming Kuang Department of Electronic Engineering Beijing Institute of Technology Beijing China
The paper proposes an efficient transient audio coding algorithm based on Discrete Cosine Transform (DCT) and sine extraction with Matching Pursuit (MP), which can be used conveniently in the sinusoidal parametric aud... 详细信息
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Implementation of the MPEG-4 advanced audio coding encoder on ADSP-21060 SHARC
Implementation of the MPEG-4 advanced audio coding encoder o...
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IEEE International Symposium on Circuits and Systems (ISCAS)
作者: Dong-Yan Huang Xuesong Gong Daqing Zhou T. Miki S. Hotani Institute of Microelectronics Singapore Multimedia Signal Processing Laboratory Multimedia Laboratories NTT Mobile Communications Network Inc. Yokosuka Kanagawa Japan
In this paper, we present the implementation of the MPEG-4 advanced audio coding (MPEG-4 AAC) encoder on a floating-point DSP (ADSP-21060 SHARC) based hardware. We discuss how selective optimization of the encoder ver... 详细信息
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Very low bitrate spatial audio coding with dimensionality reduction
Very low bitrate spatial audio coding with dimensionality re...
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IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Christian Rohlfing Jeremy E. Cohen Antoine Liutkus Institut fur Nachrichtentechnik RWTH Aachen University Germany Department of Image and Signal-processing Gipsa-lab CNRS Grenoble France Inria speech processing team Villers-les-Nancy France
In this paper, we show that tensor compression techniques based on randomization and partial observations are very useful for spatial audio object coding. In this application, we aim at transmitting several audio sign... 详细信息
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A Novel Bit-Plane Shifting Algorithm for Scalable audio coding
A Novel Bit-Plane Shifting Algorithm for Scalable Audio Codi...
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International Conference on Networking (ICN)
作者: Bo Zhang Weibei Dou Tsinghua National Laboratory for Information Science and Technology Department of Electronic Engineering Tsinghua University Beijing China
Bit-plane shifting is one of the strategies for providing Fine Grain Scalability (FGS) in scalable audio coding. It is still desirable to cater the network bandwidth, device capabilities and user preferences. In this ... 详细信息
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A Prony method for high-quality audio coding
A Prony method for high-quality audio coding
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: M. Paraskevas D. Tsoukalas J. Mourjopoulos Wire Communication Laboratory University of Patras Patras Greece Wire Commun. Lab. Patras Univ. Greece
A technique for high-quality audio signal coding is proposed. The technique follows Prony modeling of the audio signal. A new method for dynamic estimation of the model order is proposed, based on an analysis/synthesi... 详细信息
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Balanced-delay filterbank for Closed-Loop Spatial audio coding
Balanced-delay filterbank for Closed-Loop Spatial Audio Codi...
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International Seminar on Intelligent Technology and Its Applications (ISITIA)
作者: Ikhwana Elfitri Heru Dibyo Laksono Al Kautsar Permana Department of Electrical Engineering Andalas University Padang Sumatera Barat Indonesia
Closed-loop configuration has been introduced to Spatial audio coding (SAC) which make it possible to minimise distortion introduced during the quantisation and encoding processes. Significant performance improvement ... 详细信息
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MPEG-4 ALS: an emerging standard for lossless audio coding
MPEG-4 ALS: an emerging standard for lossless audio coding
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Data Compression Conference (DCC)
作者: T. Liebchen Y.A. Reznik Technical University Berlin Berlin Germany Real NEtworks Inc. Seattle WA USA
This paper provides a brief overview of an emerging ISO/IEC standard for lossless audio coding, MPEG-4 ALS and explains the choice of algorithms used in its design, and compare it to current state-of-the-art algorithm... 详细信息
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Low delay moving-horizon multiple-description audio coding forwireless hearing aids
Low delay moving-horizon multiple-description audio coding f...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Jan Ostergaard Daniel E. Quevedo Jesper Jensen Department of Electronic Systems University of Aalborg Aalborg Denmark School of Electrical Engineering and Computer Science University of Newcastle Australia Oticon Copenhagen Denmark
In this work, we construct a novel scheme for efficient perceptual coding of audio for robust communication between encoders and wireless hearing aids. To limit the physical size of the hearing aids and to reduce powe... 详细信息
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