CN101933009B - 具有随机访问点(rap)和多预测参数集(mpps)能力的使用自适应分段的无损多通道音频编解码器 - Google Patents
具有随机访问点(rap)和多预测参数集(mpps)能力的使用自适应分段的无损多通道音频编解码器 Download PDFInfo
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- CN101933009B CN101933009B CN200980103481.6A CN200980103481A CN101933009B CN 101933009 B CN101933009 B CN 101933009B CN 200980103481 A CN200980103481 A CN 200980103481A CN 101933009 B CN101933009 B CN 101933009B
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/04—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 predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
Abstract
Description
Claims (44)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/011,899 US7930184B2 (en) | 2004-08-04 | 2008-01-30 | Multi-channel audio coding/decoding of random access points and transients |
US12/011,899 | 2008-01-30 | ||
PCT/US2009/000124 WO2009097076A1 (en) | 2008-01-30 | 2009-01-09 | Lossless multi-channel audio codec using adaptive segmentation with random access point (rap) and multiple prediction parameter set (mpps) capability |
Publications (2)
Publication Number | Publication Date |
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CN101933009A CN101933009A (zh) | 2010-12-29 |
CN101933009B true CN101933009B (zh) | 2014-07-02 |
Family
ID=40913133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN200980103481.6A Active CN101933009B (zh) | 2008-01-30 | 2009-01-09 | 具有随机访问点(rap)和多预测参数集(mpps)能力的使用自适应分段的无损多通道音频编解码器 |
Country Status (17)
Country | Link |
---|---|
US (1) | US7930184B2 (zh) |
EP (2) | EP2250572B1 (zh) |
JP (1) | JP5356413B2 (zh) |
KR (1) | KR101612969B1 (zh) |
CN (1) | CN101933009B (zh) |
AU (1) | AU2009209444B2 (zh) |
BR (1) | BRPI0906619B1 (zh) |
CA (1) | CA2711632C (zh) |
ES (2) | ES2700139T3 (zh) |
HK (1) | HK1147132A1 (zh) |
IL (1) | IL206785A (zh) |
MX (1) | MX2010007624A (zh) |
NZ (2) | NZ597101A (zh) |
PL (2) | PL3435375T3 (zh) |
RU (1) | RU2495502C2 (zh) |
TW (1) | TWI474316B (zh) |
WO (1) | WO2009097076A1 (zh) |
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Also Published As
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IL206785A (en) | 2014-04-30 |
US7930184B2 (en) | 2011-04-19 |
EP3435375A1 (en) | 2019-01-30 |
JP5356413B2 (ja) | 2013-12-04 |
EP3435375B1 (en) | 2020-03-11 |
HK1147132A1 (zh) | 2011-07-29 |
MX2010007624A (es) | 2010-09-10 |
CN101933009A (zh) | 2010-12-29 |
PL3435375T3 (pl) | 2020-11-02 |
EP2250572A4 (en) | 2014-01-08 |
AU2009209444A1 (en) | 2009-08-06 |
ES2700139T3 (es) | 2019-02-14 |
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PL2250572T3 (pl) | 2019-02-28 |
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JP2011516902A (ja) | 2011-05-26 |
RU2495502C2 (ru) | 2013-10-10 |
BRPI0906619A2 (pt) | 2019-10-01 |
CA2711632A1 (en) | 2009-08-06 |
TW200935401A (en) | 2009-08-16 |
EP2250572A1 (en) | 2010-11-17 |
ES2792116T3 (es) | 2020-11-10 |
KR20100106579A (ko) | 2010-10-01 |
WO2009097076A1 (en) | 2009-08-06 |
BRPI0906619B1 (pt) | 2022-05-10 |
US20080215317A1 (en) | 2008-09-04 |
RU2010135724A (ru) | 2012-03-10 |
NZ586566A (en) | 2012-08-31 |
CA2711632C (en) | 2018-08-07 |
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