PT2304719T - Codificador de áudio, métodos fornecer um fluxo de áudio e programa de computador - Google Patents
Codificador de áudio, métodos fornecer um fluxo de áudio e programa de computadorInfo
- Publication number
- PT2304719T PT2304719T PT97768394T PT09776839T PT2304719T PT 2304719 T PT2304719 T PT 2304719T PT 97768394 T PT97768394 T PT 97768394T PT 09776839 T PT09776839 T PT 09776839T PT 2304719 T PT2304719 T PT 2304719T
- Authority
- PT
- Portugal
- Prior art keywords
- audio
- methods
- providing
- computer program
- audio stream
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L19/02—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
- G10L19/0204—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 using subband decomposition
-
- 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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7987208P | 2008-07-11 | 2008-07-11 | |
US10382008P | 2008-10-08 | 2008-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
PT2304719T true PT2304719T (pt) | 2017-11-03 |
Family
ID=40941986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT97768394T PT2304719T (pt) | 2008-07-11 | 2009-06-25 | Codificador de áudio, métodos fornecer um fluxo de áudio e programa de computador |
Country Status (22)
Country | Link |
---|---|
US (9) | US8983851B2 (pt) |
EP (12) | EP4407614A1 (pt) |
JP (2) | JP5622726B2 (pt) |
KR (4) | KR101518532B1 (pt) |
CN (2) | CN102089808B (pt) |
AR (2) | AR072482A1 (pt) |
AT (1) | ATE535903T1 (pt) |
AU (2) | AU2009267459B2 (pt) |
BR (6) | BRPI0910811B1 (pt) |
CA (2) | CA2730361C (pt) |
CO (2) | CO6341671A2 (pt) |
EG (1) | EG26480A (pt) |
ES (5) | ES2642906T3 (pt) |
HK (2) | HK1157045A1 (pt) |
MX (2) | MX2011000382A (pt) |
MY (2) | MY178597A (pt) |
PL (3) | PL3246918T3 (pt) |
PT (1) | PT2304719T (pt) |
RU (2) | RU2519069C2 (pt) |
TW (2) | TWI417871B (pt) |
WO (2) | WO2010003556A1 (pt) |
ZA (2) | ZA201100091B (pt) |
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US8553897B2 (en) | 2009-06-09 | 2013-10-08 | Dean Robert Gary Anderson | Method and apparatus for directional acoustic fitting of hearing aids |
US9101299B2 (en) * | 2009-07-23 | 2015-08-11 | Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust | Hearing aids configured for directional acoustic fitting |
US8879745B2 (en) * | 2009-07-23 | 2014-11-04 | Dean Robert Gary Anderson As Trustee Of The D/L Anderson Family Trust | Method of deriving individualized gain compensation curves for hearing aid fitting |
JP5754899B2 (ja) | 2009-10-07 | 2015-07-29 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
US9117458B2 (en) * | 2009-11-12 | 2015-08-25 | Lg Electronics Inc. | Apparatus for processing an audio signal and method thereof |
JP5609737B2 (ja) | 2010-04-13 | 2014-10-22 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
JP5850216B2 (ja) | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
US8924222B2 (en) | 2010-07-30 | 2014-12-30 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for coding of harmonic signals |
JP6075743B2 (ja) * | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
US9208792B2 (en) * | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
US9008811B2 (en) | 2010-09-17 | 2015-04-14 | Xiph.org Foundation | Methods and systems for adaptive time-frequency resolution in digital data coding |
JP5707842B2 (ja) | 2010-10-15 | 2015-04-30 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、並びにプログラム |
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US9009036B2 (en) | 2011-03-07 | 2015-04-14 | Xiph.org Foundation | Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding |
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