CN1961351B - 可缩放的无损音频编解码器和创作工具 - Google Patents
可缩放的无损音频编解码器和创作工具 Download PDFInfo
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- CN1961351B CN1961351B CN2005800134433A CN200580013443A CN1961351B CN 1961351 B CN1961351 B CN 1961351B CN 2005800134433 A CN2005800134433 A CN 2005800134433A CN 200580013443 A CN200580013443 A CN 200580013443A CN 1961351 B CN1961351 B CN 1961351B
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- 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
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- 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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- 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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- 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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- 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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- 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
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- 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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Abstract
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Claims (31)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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US55618304P | 2004-03-25 | 2004-03-25 | |
US60/556,183 | 2004-03-25 | ||
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 |
US10/911,062 US7272567B2 (en) | 2004-03-25 | 2004-08-04 | Scalable lossless audio codec and authoring tool |
PCT/US2005/009240 WO2005098822A2 (en) | 2004-03-25 | 2005-03-21 | Scalable lossless audio codec and authoring tool |
Publications (2)
Publication Number | Publication Date |
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CN1961351A CN1961351A (zh) | 2007-05-09 |
CN1961351B true CN1961351B (zh) | 2010-12-15 |
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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 |
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CN2005800134448A Active CN101027717B (zh) | 2004-03-25 | 2005-03-21 | 无损多通道音频编解码器 |
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US (5) | US7392195B2 (zh) |
JP (4) | JP4934020B2 (zh) |
KR (1) | KR101307693B1 (zh) |
CN (2) | CN101027717B (zh) |
ES (3) | ES2537820T3 (zh) |
HK (2) | HK1099597A1 (zh) |
RU (2) | RU2387022C2 (zh) |
Families Citing this family (124)
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ES2363346T3 (es) | 2011-08-01 |
CN101027717B (zh) | 2011-09-07 |
KR101307693B1 (ko) | 2013-09-11 |
RU2006137566A (ru) | 2008-04-27 |
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JP4934020B2 (ja) | 2012-05-16 |
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