TWI333644B - Method and apparatus for processing a audio signal - Google Patents
Method and apparatus for processing a audio signal Download PDFInfo
- Publication number
- TWI333644B TWI333644B TW096106318A TW96106318A TWI333644B TW I333644 B TWI333644 B TW I333644B TW 096106318 A TW096106318 A TW 096106318A TW 96106318 A TW96106318 A TW 96106318A TW I333644 B TWI333644 B TW I333644B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- extension
- extended
- information
- length information
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title claims description 83
- 238000000034 method Methods 0.000 title claims description 30
- 238000012545 processing Methods 0.000 title claims description 17
- 238000003672 processing method Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
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- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 24
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 241000282376 Panthera tigris Species 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer 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 |
|---|---|
| TW200741650A TW200741650A (en) | 2007-11-01 |
| TWI333644B true TWI333644B (en) | 2010-11-21 |
Family
ID=39791275
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096106321A TWI337341B (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 |
| TW098123546A TWI447707B (zh) | 2006-02-23 | 2007-02-16 | 音頻訊號之處理方法及其裝置 |
| TW096106319A TWI336599B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
| TW096106318A TWI333644B (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 |
|---|---|---|---|
| TW096106321A TWI337341B (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 |
| TW098123546A TWI447707B (zh) | 2006-02-23 | 2007-02-16 | 音頻訊號之處理方法及其裝置 |
| TW096106319A TWI336599B (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing a audio signal |
Country Status (9)
| Country | Link |
|---|---|
| US (4) | US7974287B2 (enExample) |
| EP (4) | EP1987595B1 (enExample) |
| JP (4) | JP5390197B2 (enExample) |
| KR (5) | KR101276849B1 (enExample) |
| BR (1) | BRPI0706488A2 (enExample) |
| CA (1) | CA2636330C (enExample) |
| ES (4) | ES2413807T3 (enExample) |
| TW (5) | TWI337341B (enExample) |
| WO (1) | WO2007097549A1 (enExample) |
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| DE102004043521A1 (de) * | 2004-09-08 | 2006-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes |
| JP5536335B2 (ja) * | 2005-10-20 | 2014-07-02 | エルジー エレクトロニクス インコーポレイティド | マルチチャンネルオーディオ信号の符号化及び復号化方法とその装置 |
| 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 |
| MY154452A (en) | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
| US20110112843A1 (en) * | 2008-07-11 | 2011-05-12 | Nec Corporation | Signal analyzing device, signal control device, and method and program therefor |
| RU2536679C2 (ru) * | 2008-07-11 | 2014-12-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы |
| CN102177542B (zh) * | 2008-10-10 | 2013-01-09 | 艾利森电话股份有限公司 | 能量保留多通道音频编码 |
| KR20110018107A (ko) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
| WO2011083979A2 (en) | 2010-01-06 | 2011-07-14 | Lg Electronics Inc. | An apparatus for processing an audio signal and method thereof |
| CA3125378C (en) | 2010-04-09 | 2023-02-07 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| CN105261372B (zh) | 2010-07-02 | 2021-07-16 | 杜比国际公司 | 自适应后置滤波器 |
| EP2686848A1 (en) | 2011-03-18 | 2014-01-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frame element positioning in frames of a bitstream representing audio content |
| WO2012142586A1 (en) | 2011-04-15 | 2012-10-18 | Power Tagging Technologies, Inc. | System and method for single and multi zonal optimization of utility services delivery and utilization |
| US9059842B2 (en) | 2011-06-09 | 2015-06-16 | Astrolink International Llc | System and method for grid based cyber security |
| US9380545B2 (en) | 2011-08-03 | 2016-06-28 | Astrolink International Llc | System and methods for synchronizing edge devices on channels without carrier sense |
| TWI505262B (zh) | 2012-05-15 | 2015-10-21 | Dolby Int Ab | 具多重子流之多通道音頻信號的有效編碼與解碼 |
| ES2667871T3 (es) | 2013-01-21 | 2018-05-14 | Dolby Laboratories Licensing Corporation | Decodificador de audio con sonoridad y metadatos de límite de programa |
| KR102071860B1 (ko) | 2013-01-21 | 2020-01-31 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 상이한 재생 디바이스들에 걸친 라우드니스 및 동적 범위의 최적화 |
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| US9438312B2 (en) * | 2013-06-06 | 2016-09-06 | Astrolink International Llc | System and method for inferring schematic relationships between load points and service transformers |
| MX359225B (es) | 2013-06-13 | 2018-09-20 | Astrolink Int Llc | Inferencia de la alimentación y fase que alimenta a un transmisor. |
| CA2915066A1 (en) | 2013-06-13 | 2014-12-18 | Astrolink International Llc | Non-technical losses in a power distribution grid |
| EP2996269A1 (en) | 2014-09-09 | 2016-03-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio splicing concept |
| US9853498B2 (en) | 2014-10-30 | 2017-12-26 | Astrolink International Llc | System, method, and apparatus for grid location |
| PE20171123A1 (es) | 2014-10-30 | 2017-08-08 | Astrolink Int Llc | Sistema y metodos para asignar intervalos y resolver conflictos de intervalos en una red de distribucion electrica |
| US10304467B2 (en) * | 2015-04-24 | 2019-05-28 | Sony Corporation | Transmission device, transmission method, reception device, and reception method |
| CN106023999B (zh) * | 2016-07-11 | 2019-06-11 | 武汉大学 | 用于提高三维音频空间参数压缩率的编解码方法及系统 |
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| JP2018092012A (ja) * | 2016-12-05 | 2018-06-14 | ソニー株式会社 | 情報処理装置、情報処理方法、およびプログラム |
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