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检索条件"主题词=spatial audio coding"
30 条 记 录,以下是21-30 订阅
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APPLICATIONS OF SHORT SPACE-TIME FOURIER ANALYSIS IN DIGITAL ACOUSTICS
APPLICATIONS OF SHORT SPACE-TIME FOURIER ANALYSIS IN DIGITAL...
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IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Pinto, Francisco Vetterli, Martin Ecole Polytech Fed Lausanne EPFL IC LCAV CH-1015 Lausanne Switzerland
This paper presents a signal processing tool for analyzing and manipulating digitized acoustic wave fields, based on a spatio-temporal extension of the time-frequency representation space. The emphasis is on wave fiel... 详细信息
来源: 评论
MULTICHANNEL audio UPMIXING BASED ON NON-NEGATIVE TENSOR FACTORIZATION REPRESENTATION
MULTICHANNEL AUDIO UPMIXING BASED ON NON-NEGATIVE TENSOR FAC...
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IEEE Workshop on Applications of Signal Processing to audio and Acoustics (WASPAA)
作者: Nikunen, J. Virtanen, T. Vilermo, M. Tampere Univ Technol Korkeakoulunkatu 1 Tampere 33720 Finland Nokia Res Ctr Tampere 33720 Finland
This paper proposes a new spatial audio coding (SAC) method that is based on parametrization of multichannel audio by sound objects using non-negative tensor factorization (NTF). The spatial parameters are estimated u... 详细信息
来源: 评论
RESOLVING spatial SAMPLING EFFECTS IN PARAMETRIC DIRECTIONAL FILTERING
RESOLVING SPATIAL SAMPLING EFFECTS IN PARAMETRIC DIRECTIONAL...
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IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Kallinger, Markus Buerger, Michael Thiergart, Oliver Kuech, Fabian Mahne, Dirk Fraunhofer Inst Integrated Circuits IIS D-91058 Erlangen Germany
Directional audio coding (DirAC) represents an efficient scheme to analyze and reproduce spatial sound;the coded stream consists of a single-channel audio signal and few parameters. Estimation of these parameters idea... 详细信息
来源: 评论
Joint Channel coding Based on Principal Component Analysis
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ETRI JOURNAL 2010年 第5期32卷 831-834页
作者: Hyun, Dong-il Lee, Donggeum Park, Youngcheol Youn, Daehee Seo, Jeongil Yonsei Univ Dept Elect & Elect Engn Seoul 120749 South Korea Yonsei Univ Dept Comp Telecommun Engn Wonju South Korea ETRI Broadcasting & Telecommun Convergence Res Lab Taejon South Korea
This paper proposes a new joint channel coding algorithm based on principal component analysis. A conventional joint channel coder using passive downmixing undergoes a reduction of both the primary-to-ambient energy r... 详细信息
来源: 评论
EFFICIENT MERGING OF MULTIPLE audio STREAMS FOR spatial SOUND REPRODUCTION IN DIRECTIONAL audio coding
EFFICIENT MERGING OF MULTIPLE AUDIO STREAMS FOR SPATIAL SOUN...
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IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Del Galdo, Giovanni Kuech, Fabian Kallinger, Markus Schultz-Amling, Richard Fraunhofer IIS Audio Dept D-91058 Erlangen Germany
Directional audio coding (DirAC) is an efficient technique to capture and reproduce spatial sound. The analysis step outputs a mono DirAC stream, comprising an omnidirectional microphone pressure signal and side infor... 详细信息
来源: 评论
spatial FILTERING USING DIRECTIONAL audio coding PARAMETERS
SPATIAL FILTERING USING DIRECTIONAL AUDIO CODING PARAMETERS
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IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Kallinger, Markus Del Galdo, Giovanni Kuech, Fabian Mahne, Dirk Schultz-Amling, Richard Fraunhofer Inst Integrated Circuits IIS D-91058 Erlangen Germany
Directional audio coding (DirAC) is a recent method for spatial audio processing, based on a perceptually motivated representation of spatial sound. Due to its efficiency, DirAC has already been proposed for spatial a... 详细信息
来源: 评论
Multi-channel audio service in a Terrestrial-DMB system using VSLI-based spatial audio coding
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ETRI JOURNAL 2005年 第5期27卷 635-638页
作者: Seo, J Moon, HG Beack, S Kang, K Hong, JK ETRI Digital Broadcasting Res Div Taejon South Korea Seoul Natl Univ Appl Accoust Lab Seoul South Korea ICU Sch Elect Engn Taejon South Korea Kyungpook Natl Univ Sch Elect Engn & Comp Sci Taegu South Korea
spatial audio coding (SAC) is an extremely high compact representation of encoded multi-channel audio material. This paper suggests a multi-channel audio service in the terrestrial digital multimedia broadcasting (T-D... 详细信息
来源: 评论
Enhanced direction estimation using microphone arrays for Directional audio coding
Enhanced direction estimation using microphone arrays for Di...
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Workshop on Hands-Free Speech Communication and Microphone Arrays
作者: Kallinger, Markus Kuech, Fabian Schultz-Amling, Richard Del Galdo, Giovanni Ahonen, Jukka Pulkki, Ville Fraunhofer Inst Integrated Circuit IIS Erlangen Germany Aalto Univ Lab Acoust & Audio Sig Proc Helsinki Finland
Modem home entertainment systems offer surround sound audio playback. This progress over known mono and stereo devices is also intended for high quality hands-free telephony to enhance intelligibility of speech in gro... 详细信息
来源: 评论
A multi-channel audio compression method with virtual source location information for MPEG-4 SAC
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IEEE TRANSACTIONS ON CONSUMER ELECTRONICS 2005年 第4期51卷 1253-1259页
作者: Moon, HG Seo, JI Baek, S Sung, KM Seoul Natl Univ New Media Inst Sch Elect Engn & Comp Sci Seoul South Korea Elect & Telecommun Res Inst Taejon South Korea
Binaural cue coding (BCC) was introduced as an efficient representation method for MPEG-4 SAC (spatial audio coding). However, in a low bit-rate environment, the spectrum of BCC output signals degrades with respect to... 详细信息
来源: 评论
An efficient representation method for ICLD with robustness to spectral distortion
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ETRI JOURNAL 2005年 第3期27卷 330-333页
作者: Beack, S Seo, J Kang, K Hahn, M ICU Multimedia Grp Taejon South Korea ETRI Digital Broadcasting Res Div Taejon South Korea
The inter-channel level difference (ICLD) is a cue parameter to estimate spectral information in binaural cue coding that has been recently in the spotlight as a multichannel audio signal compression technique. Even t... 详细信息
来源: 评论