MX364291B - Metodo de codificacion de audio y aparato relacionado. - Google Patents
Metodo de codificacion de audio y aparato relacionado.Info
- Publication number
- MX364291B MX364291B MX2016014176A MX2016014176A MX364291B MX 364291 B MX364291 B MX 364291B MX 2016014176 A MX2016014176 A MX 2016014176A MX 2016014176 A MX2016014176 A MX 2016014176A MX 364291 B MX364291 B MX 364291B
- Authority
- MX
- Mexico
- Prior art keywords
- audio coding
- coding method
- referential
- linear prediction
- prediction efficiency
- Prior art date
Links
- 230000003247 decreasing effect Effects 0.000 abstract 1
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
- G10L19/04—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
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- 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
-
- 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
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
-
- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Se describen un método de codificación de audio y un aparato relacionado. El método de codificación de audio incluye: estimar eficiencia de predicción lineal referencial de una trama de audio actual; determinar un esquema de codificación de audio que coincide con la eficiencia de predicción lineal referencial de la trama de audio actual, anterior; y llevar a cabo codificación en la trama de audio actual, anterior de acuerdo con el esquema de codificación de audio que coincide con la eficiencia de predicción lineal referencial de la trama de audio actual, anterior. Las soluciones técnicas provistas en las modalidades de la presente invención ayudan a reducir las sobrecargas de codificación de audio.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410177838.8A CN105096958B (zh) | 2014-04-29 | 2014-04-29 | 音频编码方法及相关装置 |
PCT/CN2014/090369 WO2015165233A1 (zh) | 2014-04-29 | 2014-11-05 | 音频编码方法及相关装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2016014176A MX2016014176A (es) | 2017-08-15 |
MX364291B true MX364291B (es) | 2019-04-22 |
Family
ID=54358108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2016014176A MX364291B (es) | 2014-04-29 | 2014-11-05 | Metodo de codificacion de audio y aparato relacionado. |
Country Status (18)
Country | Link |
---|---|
US (2) | US10262671B2 (es) |
EP (2) | EP3139379A4 (es) |
JP (2) | JP2017515154A (es) |
KR (2) | KR20190042770A (es) |
CN (3) | CN107452391B (es) |
AU (2) | AU2014392320A1 (es) |
BR (1) | BR112016025330B1 (es) |
CA (1) | CA2947360C (es) |
CL (1) | CL2016002750A1 (es) |
HK (1) | HK1216449A1 (es) |
MX (1) | MX364291B (es) |
MY (1) | MY193553A (es) |
NZ (1) | NZ726171A (es) |
RU (1) | RU2661787C2 (es) |
SG (1) | SG11201609043PA (es) |
UA (1) | UA118588C2 (es) |
WO (1) | WO2015165233A1 (es) |
ZA (1) | ZA201607558B (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107452391B (zh) | 2014-04-29 | 2020-08-25 | 华为技术有限公司 | 音频编码方法及相关装置 |
CN106297813A (zh) * | 2015-05-28 | 2017-01-04 | 杜比实验室特许公司 | 分离的音频分析和处理 |
EP3453180A4 (en) * | 2016-05-04 | 2020-04-01 | Microsoft Technology Licensing, LLC | INTRA-IMAGE PREDICTION USING NON-ADJACENT REFERENCE LINES OF SAMPLE VALUES |
CN113129910A (zh) * | 2019-12-31 | 2021-07-16 | 华为技术有限公司 | 音频信号的编解码方法和编解码装置 |
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-
2014
- 2014-04-29 CN CN201710188301.5A patent/CN107452391B/zh active Active
- 2014-04-29 CN CN201710188290.0A patent/CN107452390B/zh active Active
- 2014-04-29 CN CN201410177838.8A patent/CN105096958B/zh active Active
- 2014-11-05 JP JP2016565172A patent/JP2017515154A/ja active Pending
- 2014-11-05 AU AU2014392320A patent/AU2014392320A1/en not_active Abandoned
- 2014-11-05 EP EP14890742.1A patent/EP3139379A4/en not_active Ceased
- 2014-11-05 UA UAA201612001A patent/UA118588C2/uk unknown
- 2014-11-05 EP EP19181627.1A patent/EP3618069B1/en active Active
- 2014-11-05 NZ NZ726171A patent/NZ726171A/en unknown
- 2014-11-05 RU RU2016146538A patent/RU2661787C2/ru active
- 2014-11-05 CA CA2947360A patent/CA2947360C/en active Active
- 2014-11-05 BR BR112016025330-2A patent/BR112016025330B1/pt active IP Right Grant
- 2014-11-05 MY MYPI2016703961A patent/MY193553A/en unknown
- 2014-11-05 SG SG11201609043PA patent/SG11201609043PA/en unknown
- 2014-11-05 KR KR1020197010932A patent/KR20190042770A/ko not_active Application Discontinuation
- 2014-11-05 KR KR1020167033082A patent/KR101971268B1/ko active IP Right Grant
- 2014-11-05 MX MX2016014176A patent/MX364291B/es active IP Right Grant
- 2014-11-05 WO PCT/CN2014/090369 patent/WO2015165233A1/zh active Application Filing
-
2016
- 2016-04-18 HK HK16104382.0A patent/HK1216449A1/zh unknown
- 2016-10-28 CL CL2016002750A patent/CL2016002750A1/es unknown
- 2016-10-28 US US15/337,927 patent/US10262671B2/en active Active
- 2016-11-02 ZA ZA2016/07558A patent/ZA201607558B/en unknown
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2018
- 2018-10-26 AU AU2018253632A patent/AU2018253632B2/en active Active
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2019
- 2019-01-30 US US16/262,562 patent/US10984811B2/en active Active
- 2019-06-26 JP JP2019118554A patent/JP6812504B2/ja active Active
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