CN101027717B - 无损多通道音频编解码器 - Google Patents
无损多通道音频编解码器 Download PDFInfo
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- CN101027717B CN101027717B CN2005800134448A CN200580013444A CN101027717B CN 101027717 B CN101027717 B CN 101027717B CN 2005800134448 A CN2005800134448 A CN 2005800134448A CN 200580013444 A CN200580013444 A CN 200580013444A CN 101027717 B CN101027717 B CN 101027717B
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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
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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
- G10L19/04—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
- G10L19/04—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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
Abstract
Description
Claims (33)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55618304P | 2004-03-25 | 2004-03-25 | |
US60/556,183 | 2004-03-25 | ||
US10/911,062 US7272567B2 (en) | 2004-03-25 | 2004-08-04 | Scalable lossless audio codec and authoring tool |
US10/911,062 | 2004-08-04 | ||
US10/911,067 | 2004-08-04 | ||
US10/911,067 US7392195B2 (en) | 2004-03-25 | 2004-08-04 | Lossless multi-channel audio codec |
PCT/US2005/009275 WO2005098823A2 (en) | 2004-03-25 | 2005-03-21 | Lossless multi-channel audio codec |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101027717A CN101027717A (zh) | 2007-08-29 |
CN101027717B true CN101027717B (zh) | 2011-09-07 |
Family
ID=38072128
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800134448A Active CN101027717B (zh) | 2004-03-25 | 2005-03-21 | 无损多通道音频编解码器 |
CN2005800134433A Active CN1961351B (zh) | 2004-03-25 | 2005-03-21 | 可缩放的无损音频编解码器和创作工具 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800134433A Active CN1961351B (zh) | 2004-03-25 | 2005-03-21 | 可缩放的无损音频编解码器和创作工具 |
Country Status (7)
Country | Link |
---|---|
US (5) | US7272567B2 (zh) |
JP (4) | JP4934020B2 (zh) |
KR (1) | KR101307693B1 (zh) |
CN (2) | CN101027717B (zh) |
ES (3) | ES2363346T3 (zh) |
HK (2) | HK1099597A1 (zh) |
RU (2) | RU2387023C2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11935555B2 (en) | 2023-03-30 | 2024-03-19 | Dolby International Ab | Subband block based harmonic transposition |
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KR20120116019A (ko) | 2012-10-19 |
KR101307693B1 (ko) | 2013-09-11 |
RU2006137573A (ru) | 2008-04-27 |
HK1105475A1 (en) | 2008-02-15 |
ES2537820T3 (es) | 2015-06-12 |
CN101027717A (zh) | 2007-08-29 |
US7272567B2 (en) | 2007-09-18 |
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US20050246178A1 (en) | 2005-11-03 |
JP5593419B2 (ja) | 2014-09-24 |
RU2006137566A (ru) | 2008-04-27 |
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