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检索条件"主题词=Audio coding"
1195 条 记 录,以下是491-500 订阅
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Fast algorithm for computing in MPEG the forward and inverse MDCT audio coding
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SIGNAL PROCESSING 2006年 第5期86卷 1055-1060页
作者: Truong, TK Chen, PD Cheng, TC I Shou Univ Dept Informat Engn Coll Elect & Informat Engn Ta Hsu Hsiang 84008 Kaohsiung Cty Taiwan Univ So Calif Dept Elect Engn Electrophys Los Angeles CA 90089 USA
The modified discrete cosine transform (MDCT) is always employed in transform-coding schemes as the analysis/ synthesis filter bank. In this paper, an efficient algorithm for MDCT and inverse MDCT (IMDCT) computation ... 详细信息
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A novel audio coding scheme using warped linear prediction model and the discrete wavelet transform
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IEEE TRANSACTIONS ON audio SPEECH AND LANGUAGE PROCESSING 2006年 第6期14卷 2039-2048页
作者: Deriche, Mohamed Ning, Daryl King Fahd Univ Petr & Minerals Dept Elect Engn Dhahran 31261 Saudi Arabia Mathworks Sydney NSW Australia
In this paper, we present a novel audio coder using the discrete wavelet transform (DWT) and warped linear prediction (WLP). In contrast to conventional LP, WLP allows for the control of frequency resolution to closel... 详细信息
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ATSC video and audio coding
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PROCEEDINGS OF THE IEEE 2006年 第1期94卷 60-76页
作者: Davidson, GA Isnardi, MA Fielder, LD Goldman, MS Todd, CC Dolby Labs San Francisco CA 94103 USA Sarnoff Corp Princeton NJ 08543 USA Tandberg TV Bedford NH 03110 USA
In recent decades, digital video and audio coding technologies have helped revolutionize the ways we create, deliver and consume audiovisual content. This is exemplified by digital television (DTV), which is emerging ... 详细信息
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Genesis of the MP3 audio coding standard
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IEEE TRANSACTIONS ON CONSUMER ELECTRONICS 2006年 第3期52卷 1043-1049页
作者: Musmann, Hans Georg Univ Hannover Dept Elect Engn & Comp Sci D-30167 Hannover Germany
In 1988 the International Standardization Organization (ISO) established the Motion Picture Expert Group (MPEG) to develop a digital coding standard for video and audio signals in order to enable interactive video and... 详细信息
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A trellis-based optimal parameter value selection for audio coding
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IEEE TRANSACTIONS ON audio SPEECH AND LANGUAGE PROCESSING 2006年 第2期14卷 623-633页
作者: Aggarwal, A Regunathan, SL Rose, K Harman Consumer Grp Northridge CA 93129 USA Microsoft Corp Redmond WA 98052 USA Univ Calif Santa Barbara Dept Elect & Comp Engn Santa Barbara CA 93106 USA
This paper considers the problem of selecting a set of parameter values from a given parameter space, in order to perform rate-distortion optimization in the context of audio compression. Due to interdependencies betw... 详细信息
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Amplitude modulated sinusoidal signal decomposition for audio coding
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IEEE SIGNAL PROCESSING LETTERS 2006年 第7期13卷 389-392页
作者: Christensen, Mads Graesboll Jakobsson, Andreas Andersen, Soren Vang Jensen, Soren Holdt Aalborg Univ Dept Commun Technol DK-9220 Aalborg Denmark Karlstad Univ Dept Elect Engn SE-65188 Karlstad Sweden
In this letter, we present a decomposition for sinusoidal coding of audio, based on an amplitude modulation of sinusoids via a linear combination of arbitrary basis vectors. The proposed method, which incorporates a p... 详细信息
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Cascaded trellis-based rate-distortion control algorithm for MPEG-4 advanced audio coding
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IEEE TRANSACTIONS ON audio SPEECH AND LANGUAGE PROCESSING 2006年 第3期14卷 998-1007页
作者: Yang, CH Hang, HM Natl Chiao Tung Univ Dept Elect Engn Hsinchu 300 Taiwan
In this paper, a few low-complexity and high-performance rate-distortion control algorithms for MPEG-4 Advanced audio coding (AAC) are proposed. One key element in producing good quality compressed audio particularly ... 详细信息
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Efficient bit-rate scalability for weighted squared error optimization in audio coding
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IEEE TRANSACTIONS ON audio SPEECH AND LANGUAGE PROCESSING 2006年 第4期14卷 1313-1327页
作者: Aggarwal, Ashish Regunathan, Shankar L. Rose, Kenneth Harman Consumer Grp Northridge CA 91329 USA Microsoft Corp Redmond WA 98052 USA Univ Calif Santa Barbara Dept Elect & Comp Engn Santa Barbara CA 93106 USA
We propose two quantization techniques for improving the bit-rate scalability of compression systems that optimize a weighted squared error (WSE) distortion metric. We show that quantization of the base-layer reconstr... 详细信息
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Lossless coding of audio spectral coefficients using selective bitplane coding
Lossless coding of audio spectral coefficients using selecti...
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International Symposium on Communications and Information Technologies (ISCIT)
作者: Eunju Imm Hochong Park Department of Electronics Engineering Kwangwoon University Seoul South Korea
In this paper, a novel lossless coding method of spectral coefficients for audio codec is proposed. Conventional lossless coder directly codes the spectral coefficients based on their statistical characteristics, but ... 详细信息
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Quantization of wavelet packet audio coding
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High Technology Letters 2006年 第3期12卷 295-299页
作者: 谭建国 Zhang Wenjun LiuPeilin Institute of Image Communication and Information Processing Shanghai Jiaotong University Shanghai 200240 P.R. China
Abstract The method of quantization noise control of audio coding in the wavelet domain is proposed. Using the inverse Discrete Fourier Transform (DFT), it converts the masking threshold coming from MPEG psycho-acou... 详细信息
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