TWI333795B - Method and apparatus for processing a audio signal - Google Patents
Method and apparatus for processing a audio signal Download PDFInfo
- Publication number
- TWI333795B TWI333795B TW096106320A TW96106320A TWI333795B TW I333795 B TWI333795 B TW I333795B TW 096106320 A TW096106320 A TW 096106320A TW 96106320 A TW96106320 A TW 96106320A TW I333795 B TWI333795 B TW I333795B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- extended
- information
- extension
- decoding
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title claims description 93
- 238000000034 method Methods 0.000 title claims description 33
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 21
- 239000000463 material Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77577506P | 2006-02-23 | 2006-02-23 | |
| US79190706P | 2006-04-14 | 2006-04-14 | |
| US80382506P | 2006-06-02 | 2006-06-02 | |
| KR1020070013364A KR20070087494A (ko) | 2006-02-23 | 2007-02-08 | 멀티 채널 오디오 신호의 디코딩 방법 및 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200738040A TW200738040A (en) | 2007-10-01 |
| TWI333795B true TWI333795B (en) | 2010-11-21 |
Family
ID=39791275
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096106318A TWI333644B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
| TW098123546A TWI447707B (zh) | 2006-02-23 | 2007-02-16 | 音頻訊號之處理方法及其裝置 |
| TW096106321A TWI337341B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
| TW096106319A TWI336599B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
| TW096106320A TWI333795B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096106318A TWI333644B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
| TW098123546A TWI447707B (zh) | 2006-02-23 | 2007-02-16 | 音頻訊號之處理方法及其裝置 |
| TW096106321A TWI337341B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
| TW096106319A TWI336599B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
Country Status (9)
| Country | Link |
|---|---|
| US (4) | US7991494B2 (enExample) |
| EP (4) | EP1987597B1 (enExample) |
| JP (4) | JP5390197B2 (enExample) |
| KR (5) | KR100904438B1 (enExample) |
| BR (1) | BRPI0706488A2 (enExample) |
| CA (1) | CA2636330C (enExample) |
| ES (4) | ES2391117T3 (enExample) |
| TW (5) | TWI333644B (enExample) |
| WO (1) | WO2007097549A1 (enExample) |
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| KR20070043651A (ko) * | 2005-10-20 | 2007-04-25 | 엘지전자 주식회사 | 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 |
| KR101438387B1 (ko) * | 2006-07-12 | 2014-09-05 | 삼성전자주식회사 | 서라운드 확장 데이터 부호화 및 복호화 방법 및 장치 |
| US8571875B2 (en) | 2006-10-18 | 2013-10-29 | Samsung Electronics Co., Ltd. | Method, medium, and apparatus encoding and/or decoding multichannel audio signals |
| DE102007007830A1 (de) * | 2007-02-16 | 2008-08-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Datenstroms und Vorrichtung und Verfahren zum Lesen eines Datenstroms |
| KR101428487B1 (ko) * | 2008-07-11 | 2014-08-08 | 삼성전자주식회사 | 멀티 채널 부호화 및 복호화 방법 및 장치 |
| EP2410519B1 (en) | 2008-07-11 | 2019-09-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for encoding and decoding an audio signal and computer programs |
| MY154452A (en) * | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
| CN102138176B (zh) * | 2008-07-11 | 2013-11-06 | 日本电气株式会社 | 信号分析装置、信号控制装置及其方法 |
| US9330671B2 (en) * | 2008-10-10 | 2016-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Energy conservative multi-channel audio coding |
| KR20110018107A (ko) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
| US9042559B2 (en) * | 2010-01-06 | 2015-05-26 | Lg Electronics Inc. | Apparatus for processing an audio signal and method thereof |
| IL286761B (en) | 2010-04-09 | 2022-09-01 | Dolby Int Ab | An uplink mixer is active in predictive or non-predictive mode |
| KR101696632B1 (ko) | 2010-07-02 | 2017-01-16 | 돌비 인터네셔널 에이비 | 선택적인 베이스 포스트 필터 |
| CA2830439C (en) | 2011-03-18 | 2016-10-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder and decoder having a flexible configuration functionality |
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| KR102660144B1 (ko) | 2013-01-21 | 2024-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 상이한 재생 디바이스들에 걸친 라우드니스 및 동적 범위의 최적화 |
| KR102734239B1 (ko) * | 2013-01-21 | 2024-11-26 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 예약된 데이터 공간에 위치된 메타데이터 컨테이너를 갖는 인코딩된 오디오 비트스트림의 디코딩 |
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