ES2627212T8 - Modificación de palabras de código en diccionario usado para codificación eficaz de datos espectrales de medio digital - Google Patents
Modificación de palabras de código en diccionario usado para codificación eficaz de datos espectrales de medio digital Download PDFInfo
- Publication number
- ES2627212T8 ES2627212T8 ES06787180.6T ES06787180T ES2627212T8 ES 2627212 T8 ES2627212 T8 ES 2627212T8 ES 06787180 T ES06787180 T ES 06787180T ES 2627212 T8 ES2627212 T8 ES 2627212T8
- Authority
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- Spain
- Prior art keywords
- modification
- digital media
- spectral data
- code words
- efficient coding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000004048 modification Effects 0.000 title 1
- 238000012986 modification Methods 0.000 title 1
- 230000003595 spectral effect Effects 0.000 title 1
Classifications
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- 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
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- 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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
-
- 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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
- G10L19/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/183,084 US7562021B2 (en) | 2005-07-15 | 2005-07-15 | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
US183084 | 2005-07-15 | ||
PCT/US2006/027238 WO2007011657A2 (en) | 2005-07-15 | 2006-07-14 | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2627212T3 ES2627212T3 (es) | 2017-07-27 |
ES2627212T8 true ES2627212T8 (es) | 2017-09-04 |
Family
ID=37662735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES06787180.6T Active ES2627212T3 (es) | 2005-07-15 | 2006-07-14 | Modificación de palabras de código en diccionario usado para codificación eficaz de datos espectrales de medio digital |
Country Status (11)
Country | Link |
---|---|
US (1) | US7562021B2 (es) |
EP (1) | EP1905011B1 (es) |
JP (1) | JP5456310B2 (es) |
KR (1) | KR101330362B1 (es) |
CN (1) | CN101223582B (es) |
AU (1) | AU2006270263B2 (es) |
CA (1) | CA2612474C (es) |
ES (1) | ES2627212T3 (es) |
MX (1) | MX2008000528A (es) |
NO (1) | NO340485B1 (es) |
WO (1) | WO2007011657A2 (es) |
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CN101223582B (zh) | 2011-05-11 |
CA2612474A1 (en) | 2007-01-25 |
JP2009501944A (ja) | 2009-01-22 |
JP5456310B2 (ja) | 2014-03-26 |
EP1905011A4 (en) | 2012-05-30 |
US7562021B2 (en) | 2009-07-14 |
KR101330362B1 (ko) | 2013-11-15 |
US20070016414A1 (en) | 2007-01-18 |
MX2008000528A (es) | 2008-03-06 |
NO20076260L (no) | 2008-02-06 |
AU2006270263A1 (en) | 2007-01-25 |
WO2007011657A3 (en) | 2007-10-11 |
WO2007011657A2 (en) | 2007-01-25 |
CN101223582A (zh) | 2008-07-16 |
ES2627212T3 (es) | 2017-07-27 |
KR20080025404A (ko) | 2008-03-20 |
EP1905011B1 (en) | 2017-03-01 |
AU2006270263B2 (en) | 2011-01-06 |
EP1905011A2 (en) | 2008-04-02 |
NO340485B1 (no) | 2017-05-02 |
CA2612474C (en) | 2014-09-09 |
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