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检索条件"主题词=Audio coding"
1193 条 记 录,以下是271-280 订阅
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ENHANCEMENT OF PRINCIPAL TO AMBIENT ENERGY RATIO FOR PCA-BASED PARAMETRIC audio coding
ENHANCEMENT OF PRINCIPAL TO AMBIENT ENERGY RATIO FOR PCA-BAS...
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IEEE International Conference on Acoustics, Speech, and Signal Processing
作者: Se-Woon Jeon Dongil Hyun Jeongil Seo Young-Cheol Park Dae-Hee Youn School of Electrical & Electronic Eng. Yonsei Univ. Seoul Korea Broadcasting Media Technology Department ETRI Daejeon Korea Computer & Telecommunications Eng. Division Yonsei Univ. Wonju Gangwon Korea
In this paper, we propose a method of restoring principal to ambient energy ratio (PAR) at the decoder in the principal component analysis (PCA)-based parametric audio coding. The conventional approach applies the pos... 详细信息
来源: 评论
Performance Analysis and Evaluation of AVS-M audio coding
Performance Analysis and Evaluation of AVS-M Audio Coding
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2010 International Conference on audio,Language and Image Processing(2010年音频、语言与图像处理国际会议 ICALIP 2010)
作者: Zhang Wen Zhang Tao Zhao Liang Zhang Hai School of Electronic and Information Engineering Tianjin University China
AVS-M audio standard, which targets at wireless network and mobile equipment, is now independently drawn up in China. Its framework is similar to that of AMR-WB+. The performance of AVS-M audio core algorithms is anal... 详细信息
来源: 评论
SINUSOIDAL SPATIAL audio coding FOR LOW-BITRATE BINAURAL REPRODUCTION
SINUSOIDAL SPATIAL AUDIO CODING FOR LOW-BITRATE BINAURAL REP...
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IEEE International Conference on Acoustics, Speech, and Signal Processing
作者: Toni Hirvonen Athanasios Mouchtaris Department of Computer Science University of Crete and Institute of Computer Science Foundation for Research and Technology - Hellas (FORTH-ICS) Heraklion Crete Greece
A binaural audio synthesis system based on sinusoidal modeling is proposed for spatial, low-bitrate audio coding utilized for example in teleconference applications. The system transmits monaural sinusoidal parameters... 详细信息
来源: 评论
MULTICHANNEL audio coding USING SINUSOIDAL MODELLING AND COMPRESSED SENSING
MULTICHANNEL AUDIO CODING USING SINUSOIDAL MODELLING AND COM...
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European Signal Processing Conference
作者: Anthony Griffin Toni Hirvonen Athanasios Mouchtaris Panagiotis Tsakalides Institute of Computer Science Foundation for Research and Technology - Hellas (FORTH-ICS) and Department of Computer Science University of Crete
This paper explores the potential of applying compressed sensing (CS) to multichannel audio coding. In this context, we consider how sinusoidally-modelled multichannel audio signals might be encoded using compressed s... 详细信息
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A New Efficient Method of Computing MDCT in MP3 audio coding
A New Efficient Method of Computing MDCT in MP3 Audio Coding
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International Conference on Multimedia Information Networking and Security (MINES)
作者: Guixing Wu En-hui Yang School of Software Engineering Suzhou Institute for Advanced Technology USTC Suzhou Jiangsu China Department of Electrical and Computer Engineering University of Waterloo Waterloo ONT Canada
In this paper, a new efficient method of computing modified discrete cosine transform (MDCT) in MP3 audio coding is proposed. We first define a scaled discrete cosine transform (SDCT), then convert N-point MDCT to N/2... 详细信息
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Rate-Distortion Modeling of Spherical Vector Quantization Performance in Transform Excitation audio coding
Rate-Distortion Modeling of Spherical Vector Quantization Pe...
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Electronics, Computer, Telecommunications and Information Technology International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology
作者: Wisarn Patchoo Thomas R. Fischer School of EECS Washington State University
A block-based Gaussian mixture model (GMM) is used to model the distribution of the transform audio data encoded using spherical vector quantization and lossless coding. The expectation-maximization algorithm is used ... 详细信息
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An Improved Blind Bandwidth Extension Method for audio coding
An Improved Blind Bandwidth Extension Method for Audio Codin...
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WRI International Conference on Communications and Mobile Computing, CMC
作者: Hui Liu Shenghui Zhao Jing Wang Jingming Kuang School of Information and Electronics Beijing Institute of Technology Beijing China
Some existing blind bandwidth extension algorithms are restricted to linear extrapolation, such as linear spectrum replication. In this paper, we propose an improved blind bandwidth extension method using a non-linear... 详细信息
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GAUSSIAN-MIXTURE MODELING OF LATTICE-BASED SPHERICAL VECTOR QUANTIZATION PERFORMANCE IN TRANSFORM audio coding
GAUSSIAN-MIXTURE MODELING OF LATTICE-BASED SPHERICAL VECTOR ...
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IEEE International Conference on Acoustics, Speech, and Signal Processing
作者: Wisarn Patchoo Thomas R. Fischer School of EECS Washington State University Pullman WA 99163-2752 USA
A block-based Gaussian mixture model (GMM) is used to model the distribution of transform audio data to be encoded using lattice-based spherical vector quantization (LSVQ). The expectation-maximization algorithm is us... 详细信息
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An FPGA implementation of Dynamic Reconfigurable Lifting-Based Wavelet Packet Processor for Real-Time Scalable audio coding
An FPGA implementation of Dynamic Reconfigurable Lifting-Bas...
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2010 International Conference on audio,Language and Image Processing(2010年音频、语言与图像处理国际会议 ICALIP 2010)
作者: Maxim Rodionov Alexey Petrovsky Alexander Petrovsky Wanggen Wan Department of Computer Engineering Belarusian State University of Informatics and Radioelectronics School of Communication and Information Engineering Shanghai University
In this paper, dynamic algorithm transforms (DAT) for reconfigurable real-time processor for audio application based on the adaptive wavelet packet (WP) decomposition are presented. DAT techniques is to constrain a mi... 详细信息
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Blind bandwidth extension of audio signals based on non-linear prediction and hidden Markov model
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APSIPA TRANSACTIONS ON SIGNAL AND INFORMATION PROCESSING 2014年 第1期3卷 e8-e8页
作者: Liu, Xin Bao, Changchun Beijing Univ Technol Sch Elect Informat & Control Engn Speech & Audio Signal Proc Lab Beijing 100124 Peoples R China
The bandwidth limitation of wideband (WB) audio systems degrades the subjective quality and naturalness of audio signals. In this paper, a new method for blind bandwidth extension of WB audio signals is proposed based... 详细信息
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