DE60031002T2 - Multimodaler mischbereich-sprachkodierer mit geschlossener regelschleife - Google Patents
Multimodaler mischbereich-sprachkodierer mit geschlossener regelschleife Download PDFInfo
- Publication number
- DE60031002T2 DE60031002T2 DE60031002T DE60031002T DE60031002T2 DE 60031002 T2 DE60031002 T2 DE 60031002T2 DE 60031002 T DE60031002 T DE 60031002T DE 60031002 T DE60031002 T DE 60031002T DE 60031002 T2 DE60031002 T2 DE 60031002T2
- Authority
- DE
- Germany
- Prior art keywords
- speech
- frame
- coding
- domain
- frames
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 51
- 230000008569 process Effects 0.000 claims description 17
- 238000001228 spectrum Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000003595 spectral effect Effects 0.000 description 46
- 238000004458 analytical method Methods 0.000 description 23
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000003786 synthesis reaction Methods 0.000 description 14
- 230000000737 periodic effect Effects 0.000 description 10
- 238000013139 quantization Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 238000005311 autocorrelation function Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010845 search algorithm Methods 0.000 description 1
- 230000002123 temporal effect Effects 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2000/005140 WO2001065544A1 (en) | 2000-02-29 | 2000-02-29 | Closed-loop multimode mixed-domain linear prediction speech coder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60031002D1 DE60031002D1 (de) | 2006-11-09 |
| DE60031002T2 true DE60031002T2 (de) | 2007-05-10 |
Family
ID=21741098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60031002T Expired - Lifetime DE60031002T2 (de) | 2000-02-29 | 2000-02-29 | Multimodaler mischbereich-sprachkodierer mit geschlossener regelschleife |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1259957B1 (es) |
| JP (1) | JP4907826B2 (es) |
| KR (1) | KR100711047B1 (es) |
| CN (1) | CN1266674C (es) |
| AT (1) | ATE341074T1 (es) |
| AU (1) | AU2000233851A1 (es) |
| DE (1) | DE60031002T2 (es) |
| ES (1) | ES2269112T3 (es) |
| HK (1) | HK1055833A1 (es) |
| WO (1) | WO2001065544A1 (es) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6438518B1 (en) * | 1999-10-28 | 2002-08-20 | Qualcomm Incorporated | Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions |
| CA2392640A1 (en) | 2002-07-05 | 2004-01-05 | Voiceage Corporation | A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems |
| US8442262B2 (en) * | 2003-12-19 | 2013-05-14 | Creative Technology Ltd. | Method and system to process a digital image |
| US7739120B2 (en) | 2004-05-17 | 2010-06-15 | Nokia Corporation | Selection of coding models for encoding an audio signal |
| CN101283406B (zh) * | 2005-10-05 | 2013-06-19 | Lg电子株式会社 | 信号处理的方法和装置以及编码和解码方法及其装置 |
| WO2007040361A1 (en) * | 2005-10-05 | 2007-04-12 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
| KR100647336B1 (ko) * | 2005-11-08 | 2006-11-23 | 삼성전자주식회사 | 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법 |
| US9159333B2 (en) | 2006-06-21 | 2015-10-13 | Samsung Electronics Co., Ltd. | Method and apparatus for adaptively encoding and decoding high frequency band |
| US8010352B2 (en) | 2006-06-21 | 2011-08-30 | Samsung Electronics Co., Ltd. | Method and apparatus for adaptively encoding and decoding high frequency band |
| KR101390188B1 (ko) * | 2006-06-21 | 2014-04-30 | 삼성전자주식회사 | 적응적 고주파수영역 부호화 및 복호화 방법 및 장치 |
| CN101145345B (zh) * | 2006-09-13 | 2011-02-09 | 华为技术有限公司 | 音频分类方法 |
| KR101131880B1 (ko) * | 2007-03-23 | 2012-04-03 | 삼성전자주식회사 | 오디오 신호의 인코딩 방법 및 장치, 그리고 오디오 신호의디코딩 방법 및 장치 |
| KR101297120B1 (ko) * | 2007-04-26 | 2013-08-21 | 지멘스 악티엔게젤샤프트 | 모니터링 회로가 자동적으로 연장되는 모듈 |
| KR101756834B1 (ko) * | 2008-07-14 | 2017-07-12 | 삼성전자주식회사 | 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치 |
| US8990094B2 (en) * | 2010-09-13 | 2015-03-24 | Qualcomm Incorporated | Coding and decoding a transient frame |
| PL2676268T3 (pl) | 2011-02-14 | 2015-05-29 | Fraunhofer Ges Forschung | Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej |
| AU2012217158B2 (en) | 2011-02-14 | 2014-02-27 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Information signal representation using lapped transform |
| PL2676266T3 (pl) | 2011-02-14 | 2015-08-31 | Fraunhofer Ges Forschung | Układ kodowania na bazie predykcji liniowej wykorzystujący kształtowanie szumu w dziedzinie widmowej |
| ES2535609T3 (es) | 2011-02-14 | 2015-05-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de audio con estimación de ruido de fondo durante fases activas |
| TWI488176B (zh) * | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
| CN103493129B (zh) | 2011-02-14 | 2016-08-10 | 弗劳恩霍夫应用研究促进协会 | 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法 |
| PT2676267T (pt) | 2011-02-14 | 2017-09-26 | Fraunhofer Ges Forschung | Codificação e descodificação de posições de pulso de faixas de um sinal de áudio |
| EP4243017A3 (en) | 2011-02-14 | 2023-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method decoding an audio signal using an aligned look-ahead portion |
| BR112013020324B8 (pt) | 2011-02-14 | 2022-02-08 | Fraunhofer Ges Forschung | Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio |
| EP2757558A1 (en) * | 2013-01-18 | 2014-07-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain level adjustment for audio signal decoding or encoding |
| US9685166B2 (en) | 2014-07-26 | 2017-06-20 | Huawei Technologies Co., Ltd. | Classification between time-domain coding and frequency domain coding |
| EP3067887A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| US10957331B2 (en) * | 2018-12-17 | 2021-03-23 | Microsoft Technology Licensing, Llc | Phase reconstruction in a speech decoder |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2759646B2 (ja) * | 1985-03-18 | 1998-05-28 | マサチユ−セツツ インステイテユ−ト オブ テクノロジ− | 音響波形の処理 |
| US5023910A (en) * | 1988-04-08 | 1991-06-11 | At&T Bell Laboratories | Vector quantization in a harmonic speech coding arrangement |
| JPH02288739A (ja) * | 1989-04-28 | 1990-11-28 | Fujitsu Ltd | 音声符号復号化伝送方式 |
| JP3680374B2 (ja) * | 1995-09-28 | 2005-08-10 | ソニー株式会社 | 音声合成方法 |
| JPH10214100A (ja) * | 1997-01-31 | 1998-08-11 | Sony Corp | 音声合成方法 |
| US6233550B1 (en) * | 1997-08-29 | 2001-05-15 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
| EP0932141B1 (en) * | 1998-01-22 | 2005-08-24 | Deutsche Telekom AG | Method for signal controlled switching between different audio coding schemes |
| JPH11224099A (ja) * | 1998-02-06 | 1999-08-17 | Sony Corp | 位相量子化装置及び方法 |
-
2000
- 2000-02-29 KR KR1020027011306A patent/KR100711047B1/ko active IP Right Grant
- 2000-02-29 AT AT00912053T patent/ATE341074T1/de not_active IP Right Cessation
- 2000-02-29 DE DE60031002T patent/DE60031002T2/de not_active Expired - Lifetime
- 2000-02-29 WO PCT/US2000/005140 patent/WO2001065544A1/en active IP Right Grant
- 2000-02-29 CN CNB008192219A patent/CN1266674C/zh not_active Expired - Lifetime
- 2000-02-29 AU AU2000233851A patent/AU2000233851A1/en not_active Abandoned
- 2000-02-29 JP JP2001564148A patent/JP4907826B2/ja not_active Expired - Lifetime
- 2000-02-29 ES ES00912053T patent/ES2269112T3/es not_active Expired - Lifetime
- 2000-02-29 EP EP00912053A patent/EP1259957B1/en not_active Expired - Lifetime
-
2003
- 2003-11-07 HK HK03108074A patent/HK1055833A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020081374A (ko) | 2002-10-26 |
| JP2003525473A (ja) | 2003-08-26 |
| HK1055833A1 (en) | 2004-01-21 |
| EP1259957B1 (en) | 2006-09-27 |
| EP1259957A1 (en) | 2002-11-27 |
| KR100711047B1 (ko) | 2007-04-24 |
| JP4907826B2 (ja) | 2012-04-04 |
| CN1437747A (zh) | 2003-08-20 |
| WO2001065544A1 (en) | 2001-09-07 |
| CN1266674C (zh) | 2006-07-26 |
| DE60031002D1 (de) | 2006-11-09 |
| AU2000233851A1 (en) | 2001-09-12 |
| ATE341074T1 (de) | 2006-10-15 |
| ES2269112T3 (es) | 2007-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60031002T2 (de) | Multimodaler mischbereich-sprachkodierer mit geschlossener regelschleife | |
| DE60123651T2 (de) | Verfahren und vorrichtung zur robusten sprachklassifikation | |
| DE60129544T2 (de) | Kompensationsverfahren bei rahmenauslöschung in einem sprachkodierer mit veränderlicher datenrate | |
| DE60128677T2 (de) | Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen | |
| DE60027573T2 (de) | Quantisierung der spektralen amplitude in einem sprachkodierer | |
| DE60017763T2 (de) | Verfahren und vorrichtung zur erhaltung einer ziel-bitrate in einem sprachkodierer | |
| DE60011051T2 (de) | Celp-transkodierung | |
| DE60133757T2 (de) | Verfahren und vorrichtung zur kodierung von stimmloser sprache | |
| DE69926821T2 (de) | Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen | |
| DE69928288T2 (de) | Kodierung periodischer sprache | |
| DE60219351T2 (de) | Signaländerungsverfahren zur effizienten kodierung von sprachsignalen | |
| DE60117144T2 (de) | Sprachübertragungssystem und verfahren zur behandlung verlorener datenrahmen | |
| DE69535723T2 (de) | Verfahren und vorrichtung zur sprachkodierung mit reduzierter, variabler bitrate | |
| US6640209B1 (en) | Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder | |
| DE60032006T2 (de) | Prädiktionssprachkodierer mit musterauswahl für kodierungsshema zum reduzieren der empfindlichkeit für rahmenfehlern | |
| DE69924280T2 (de) | Sprachsynthese aus grundfrequenz-prototypwellenformen durch zeit-synchrone wellenforminterpolation | |
| DE60024080T2 (de) | Kodierung von sprachsegmenten mit signalübergängen durch interpolation von mehrimpulsanregungssignalen | |
| DE60128479T2 (de) | Verfahren und vorrichtung zur bestimmung eines synthetischen höheren bandsignals in einem sprachkodierer | |
| DE60027012T2 (de) | Verfahren und vorrichtung zur verschachtelung der quantisierungsverfahren der spektralen frequenzlinien in einem sprachkodierer | |
| DE60037286T2 (de) | Verfahren und Vorrichtung zur Unterabtastung der im Phasenspektrum erhaltenen Information | |
| US6687667B1 (en) | Method for quantizing speech coder parameters | |
| DE60023851T2 (de) | Verfahren und vorrichtung zur erzeugung von zufallszahlen für mit 1/8 bitrate arbeitenden sprachkodierer | |
| DE60030997T2 (de) | Verteilung des Frequenzspektrums einer Prototypwellenform | |
| US6449592B1 (en) | Method and apparatus for tracking the phase of a quasi-periodic signal | |
| DE60025471T2 (de) | Verfahren und vorrichtung zum nachführen der phase eines fast periodischen signals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |