CN1132151C - 多通道声解码器 - Google Patents
多通道声解码器 Download PDFInfo
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- CN1132151C CN1132151C CN96199832A CN96199832A CN1132151C CN 1132151 C CN1132151 C CN 1132151C CN 96199832 A CN96199832 A CN 96199832A CN 96199832 A CN96199832 A CN 96199832A CN 1132151 C CN1132151 C CN 1132151C
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Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Stereophonic System (AREA)
- Color Television Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US789695P | 1995-12-01 | 1995-12-01 | |
US60/007,896 | 1995-12-01 | ||
US08/642,254 | 1996-05-02 | ||
US08/642,254 US5956674A (en) | 1995-12-01 | 1996-05-02 | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
Related Child Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006100817855A Division CN1848241B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CNB031569277A Division CN1303583C (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN200610081786XA Division CN1848242B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN2010101265919A Division CN101872618B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1208489A CN1208489A (zh) | 1999-02-17 |
CN1132151C true CN1132151C (zh) | 2003-12-24 |
Family
ID=26677495
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101265919A Expired - Lifetime CN101872618B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CNB031569277A Expired - Lifetime CN1303583C (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN2006100817855A Expired - Lifetime CN1848241B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN200610081786XA Expired - Lifetime CN1848242B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN96199832A Expired - Lifetime CN1132151C (zh) | 1995-12-01 | 1996-11-21 | 多通道声解码器 |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101265919A Expired - Lifetime CN101872618B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CNB031569277A Expired - Lifetime CN1303583C (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN2006100817855A Expired - Lifetime CN1848241B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN200610081786XA Expired - Lifetime CN1848242B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
Country Status (18)
Country | Link |
---|---|
US (4) | US5956674A (zh) |
EP (1) | EP0864146B1 (zh) |
JP (1) | JP4174072B2 (zh) |
KR (1) | KR100277819B1 (zh) |
CN (5) | CN101872618B (zh) |
AT (1) | ATE279770T1 (zh) |
AU (1) | AU705194B2 (zh) |
BR (1) | BR9611852A (zh) |
CA (2) | CA2238026C (zh) |
DE (1) | DE69633633T2 (zh) |
DK (1) | DK0864146T3 (zh) |
EA (1) | EA001087B1 (zh) |
ES (1) | ES2232842T3 (zh) |
HK (4) | HK1015510A1 (zh) |
MX (1) | MX9804320A (zh) |
PL (3) | PL183498B1 (zh) |
PT (1) | PT864146E (zh) |
WO (1) | WO1997021211A1 (zh) |
Families Citing this family (545)
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US7110662B1 (en) | 1997-03-25 | 2006-09-19 | Samsung Electronics Co., Ltd. | Apparatus and method for recording data on a DVD-audio disk |
US6741796B1 (en) * | 1997-03-25 | 2004-05-25 | Samsung Electronics, Co., Ltd. | DVD-Audio disk, and apparatus and method for playing the same |
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