ZA200609562B - Supporting a switch between audio coder modes - Google Patents
Supporting a switch between audio coder modes Download PDFInfo
- Publication number
- ZA200609562B ZA200609562B ZA200609562A ZA200609562A ZA200609562B ZA 200609562 B ZA200609562 B ZA 200609562B ZA 200609562 A ZA200609562 A ZA 200609562A ZA 200609562 A ZA200609562 A ZA 200609562A ZA 200609562 B ZA200609562 B ZA 200609562B
- Authority
- ZA
- South Africa
- Prior art keywords
- audio signal
- encoding
- coding
- section
- coder mode
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 248
- 238000000034 method Methods 0.000 claims abstract description 38
- 230000003044 adaptive effect Effects 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 8
- 238000010295 mobile communication Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000013459 approach Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 238000013139 quantization Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007635 classification algorithm Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000006467 substitution reaction 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
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/848,971 US7596486B2 (en) | 2004-05-19 | 2004-05-19 | Encoding an audio signal using different audio coder modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200609562B true ZA200609562B (en) | 2008-07-30 |
Family
ID=34964617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200609562A ZA200609562B (en) | 2004-05-19 | 2006-11-17 | Supporting a switch between audio coder modes |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7596486B2 (es) |
| EP (1) | EP1747556B1 (es) |
| JP (1) | JP2007538283A (es) |
| CN (1) | CN1954367B (es) |
| AT (1) | ATE452402T1 (es) |
| AU (1) | AU2005246538B2 (es) |
| BR (1) | BRPI0511158A (es) |
| CA (1) | CA2566489A1 (es) |
| DE (1) | DE602005018346D1 (es) |
| MX (1) | MXPA06012616A (es) |
| RU (1) | RU2006139794A (es) |
| TW (1) | TW200609500A (es) |
| WO (1) | WO2005114654A1 (es) |
| ZA (1) | ZA200609562B (es) |
Families Citing this family (46)
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|---|---|---|---|---|
| CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
| KR100647336B1 (ko) * | 2005-11-08 | 2006-11-23 | 삼성전자주식회사 | 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법 |
| TW200737738A (en) * | 2006-01-18 | 2007-10-01 | Lg Electronics Inc | Apparatus and method for encoding and decoding signal |
| EP1977601A4 (en) * | 2006-01-25 | 2010-03-10 | Lg Electronics Inc | METHOD FOR SENDING AND RECEIVING DIGITAL BROADCAST SIGNALS AND RECEPTION SYSTEM |
| US8315880B2 (en) * | 2006-02-24 | 2012-11-20 | France Telecom | Method for binary coding of quantization indices of a signal envelope, method for decoding a signal envelope and corresponding coding and decoding modules |
| KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
| RU2444071C2 (ru) | 2006-12-12 | 2012-02-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | Кодер, декодер и методы кодирования и декодирования сегментов данных, представляющих собой поток данных временной области |
| WO2008072671A1 (ja) * | 2006-12-13 | 2008-06-19 | Panasonic Corporation | 音声復号化装置およびパワ調整方法 |
| KR101379263B1 (ko) * | 2007-01-12 | 2014-03-28 | 삼성전자주식회사 | 대역폭 확장 복호화 방법 및 장치 |
| CN101231850B (zh) * | 2007-01-23 | 2012-02-29 | 华为技术有限公司 | 编解码方法及装置 |
| US20090006081A1 (en) * | 2007-06-27 | 2009-01-01 | Samsung Electronics Co., Ltd. | Method, medium and apparatus for encoding and/or decoding signal |
| KR101403340B1 (ko) * | 2007-08-02 | 2014-06-09 | 삼성전자주식회사 | 변환 부호화 방법 및 장치 |
| AU2008312198B2 (en) * | 2007-10-15 | 2011-10-13 | Intellectual Discovery Co., Ltd. | A method and an apparatus for processing a signal |
| KR101221919B1 (ko) | 2008-03-03 | 2013-01-15 | 연세대학교 산학협력단 | 오디오 신호 처리 방법 및 장치 |
| AU2009220341B2 (en) * | 2008-03-04 | 2011-09-22 | Lg Electronics Inc. | Method and apparatus for processing an audio signal |
| US8639519B2 (en) * | 2008-04-09 | 2014-01-28 | Motorola Mobility Llc | Method and apparatus for selective signal coding based on core encoder performance |
| KR20100006492A (ko) | 2008-07-09 | 2010-01-19 | 삼성전자주식회사 | 부호화 방식 결정 방법 및 장치 |
| CA2729752C (en) * | 2008-07-10 | 2018-06-05 | Voiceage Corporation | Multi-reference lpc filter quantization and inverse quantization device and method |
| RU2515704C2 (ru) * | 2008-07-11 | 2014-05-20 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодер и аудиодекодер для кодирования и декодирования отсчетов аудиосигнала |
| EP2144230A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| EP2144231A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
| KR20100007738A (ko) * | 2008-07-14 | 2010-01-22 | 한국전자통신연구원 | 음성/오디오 통합 신호의 부호화/복호화 장치 |
| PL2146344T3 (pl) * | 2008-07-17 | 2017-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście |
| KR101670063B1 (ko) | 2008-09-18 | 2016-10-28 | 한국전자통신연구원 | Ｍｄｃｔ 기반의 코더와 이종의 코더 간 변환에서의 인코딩 장치 및 디코딩 장치 |
| FR2936898A1 (fr) * | 2008-10-08 | 2010-04-09 | France Telecom | Codage a echantillonnage critique avec codeur predictif |
| MX2011003824A (es) * | 2008-10-08 | 2011-05-02 | Fraunhofer Ges Forschung | Esquema de codificacion/decodificacion de audio conmutado de resolucion multiple. |
| KR101797033B1 (ko) * | 2008-12-05 | 2017-11-14 | 삼성전자주식회사 | 부호화 모드를 이용한 음성신호의 부호화/복호화 장치 및 방법 |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| JP4977157B2 (ja) * | 2009-03-06 | 2012-07-18 | 株式会社エヌ・ティ・ティ・ドコモ | 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム |
| US8725503B2 (en) * | 2009-06-23 | 2014-05-13 | Voiceage Corporation | Forward time-domain aliasing cancellation with application in weighted or original signal domain |
| US8706272B2 (en) * | 2009-08-14 | 2014-04-22 | Apple Inc. | Adaptive encoding and compression of audio broadcast data |
| PL2473995T3 (pl) * | 2009-10-20 | 2015-06-30 | Fraunhofer Ges Forschung | Koder sygnału audio, dekoder sygnału audio, sposób dostarczania zakodowanej reprezentacji treści audio, sposób dostarczania dekodowanej reprezentacji treści audio oraz program komputerowy do wykorzystania w zastosowaniach z małym opóźnieniem |
| CN102770912B (zh) * | 2010-01-13 | 2015-06-10 | 沃伊斯亚吉公司 | 使用线性预测滤波的前向时域混叠消除 |
| JP5882895B2 (ja) * | 2010-06-14 | 2016-03-09 | パナソニック株式会社 | 復号装置 |
| KR101696632B1 (ko) | 2010-07-02 | 2017-01-16 | 돌비 인터네셔널 에이비 | 선택적인 베이스 포스트 필터 |
| FR2969805A1 (fr) * | 2010-12-23 | 2012-06-29 | France Telecom | Codage bas retard alternant codage predictif et codage par transformee |
| EP3139696B1 (en) | 2011-06-09 | 2020-05-20 | Panasonic Intellectual Property Corporation of America | Communication terminal and communication method |
| JP5197838B2 (ja) * | 2011-12-06 | 2013-05-15 | 株式会社エヌ・ティ・ティ・ドコモ | 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム |
| CN102769591B (zh) | 2012-06-21 | 2015-04-08 | 天地融科技股份有限公司 | 音频通信调制方式自适应的方法、系统、装置、电子签名工具 |
| KR101434206B1 (ko) | 2012-07-25 | 2014-08-27 | 삼성전자주식회사 | 신호 복호화 장치 |
| EP2863386A1 (en) | 2013-10-18 | 2015-04-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, apparatus for generating encoded audio output data and methods permitting initializing a decoder |
| EP2980795A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| KR102423827B1 (ko) * | 2015-08-10 | 2022-07-21 | 삼성전자주식회사 | 송신 장치 및 이의 제어 방법 |
| ES2768052T3 (es) * | 2016-01-22 | 2020-06-19 | Fraunhofer Ges Forschung | Aparatos y procedimientos para codificar o decodificar una señal de audio multicanal usando sincronización de control de trama |
| CN111554312A (zh) * | 2020-05-15 | 2020-08-18 | 西安万像电子科技有限公司 | 控制音频编码类型的方法、装置和系统 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09281995A (ja) * | 1996-04-12 | 1997-10-31 | Nec Corp | 信号符号化装置及び方法 |
| US6369855B1 (en) * | 1996-11-01 | 2002-04-09 | Texas Instruments Incorporated | Audio and video decoder circuit and system |
| WO1999010719A1 (en) * | 1997-08-29 | 1999-03-04 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
| JP2000134105A (ja) * | 1998-10-29 | 2000-05-12 | Matsushita Electric Ind Co Ltd | オーディオ変換符号化に用いられるブロックサイズを決定し適応させる方法 |
| US6300888B1 (en) * | 1998-12-14 | 2001-10-09 | Microsoft Corporation | Entrophy code mode switching for frequency-domain audio coding |
| US7315815B1 (en) * | 1999-09-22 | 2008-01-01 | Microsoft Corporation | LPC-harmonic vocoder with superframe structure |
| US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
| US6785645B2 (en) * | 2001-11-29 | 2004-08-31 | Microsoft Corporation | Real-time speech and music classifier |
-
2004
- 2004-05-19 US US10/848,971 patent/US7596486B2/en active Active
-
2005
- 2005-04-15 AU AU2005246538A patent/AU2005246538B2/en not_active Expired - Fee Related
- 2005-04-15 CA CA002566489A patent/CA2566489A1/en not_active Abandoned
- 2005-04-15 AT AT05718506T patent/ATE452402T1/de not_active IP Right Cessation
- 2005-04-15 CN CN2005800159036A patent/CN1954367B/zh active Active
- 2005-04-15 BR BRPI0511158-7A patent/BRPI0511158A/pt not_active IP Right Cessation
- 2005-04-15 MX MXPA06012616A patent/MXPA06012616A/es not_active Application Discontinuation
- 2005-04-15 DE DE602005018346T patent/DE602005018346D1/de active Active
- 2005-04-15 JP JP2007517473A patent/JP2007538283A/ja not_active Withdrawn
- 2005-04-15 EP EP05718506A patent/EP1747556B1/en active Active
- 2005-04-15 WO PCT/IB2005/001068 patent/WO2005114654A1/en active Application Filing
- 2005-04-15 RU RU2006139794/09A patent/RU2006139794A/ru not_active Application Discontinuation
- 2005-05-13 TW TW094115503A patent/TW200609500A/zh unknown
-
2006
- 2006-11-17 ZA ZA200609562A patent/ZA200609562B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RU2006139794A (ru) | 2008-06-27 |
| AU2005246538A1 (en) | 2005-12-01 |
| WO2005114654A1 (en) | 2005-12-01 |
| CN1954367A (zh) | 2007-04-25 |
| US20050261900A1 (en) | 2005-11-24 |
| AU2005246538B2 (en) | 2009-01-08 |
| MXPA06012616A (es) | 2006-12-15 |
| CN1954367B (zh) | 2010-12-08 |
| EP1747556B1 (en) | 2009-12-16 |
| CA2566489A1 (en) | 2005-12-01 |
| TW200609500A (en) | 2006-03-16 |
| JP2007538283A (ja) | 2007-12-27 |
| EP1747556A1 (en) | 2007-01-31 |
| DE602005018346D1 (de) | 2010-01-28 |
| ATE452402T1 (de) | 2010-01-15 |
| BRPI0511158A (pt) | 2007-12-04 |
| US7596486B2 (en) | 2009-09-29 |
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