DE60024080D1 - Kodierung von sprachsegmenten mit signalübergängen durch interpolation von mehrimpulsanregungssignalen - Google Patents
Kodierung von sprachsegmenten mit signalübergängen durch interpolation von mehrimpulsanregungssignalenInfo
- Publication number
- DE60024080D1 DE60024080D1 DE60024080T DE60024080T DE60024080D1 DE 60024080 D1 DE60024080 D1 DE 60024080D1 DE 60024080 T DE60024080 T DE 60024080T DE 60024080 T DE60024080 T DE 60024080T DE 60024080 D1 DE60024080 D1 DE 60024080D1
- Authority
- DE
- Germany
- Prior art keywords
- subset
- pulses
- samples
- frame
- interpolation
- 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
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/307,294 US6260017B1 (en) | 1999-05-07 | 1999-05-07 | Multipulse interpolative coding of transition speech frames |
US307294 | 1999-05-07 | ||
PCT/US2000/012656 WO2000068935A1 (en) | 1999-05-07 | 2000-05-08 | Multipulse interpolative coding of transition speech frames |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60024080D1 true DE60024080D1 (de) | 2005-12-22 |
DE60024080T2 DE60024080T2 (de) | 2006-08-03 |
Family
ID=23189096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60024080T Expired - Lifetime DE60024080T2 (de) | 1999-05-07 | 2000-05-08 | Kodierung von sprachsegmenten mit signalübergängen durch interpolation von mehrimpulsanregungssignalen |
Country Status (11)
Country | Link |
---|---|
US (1) | US6260017B1 (de) |
EP (1) | EP1181687B1 (de) |
JP (1) | JP4874464B2 (de) |
KR (1) | KR100700857B1 (de) |
CN (1) | CN1188832C (de) |
AT (1) | ATE310303T1 (de) |
AU (1) | AU4832200A (de) |
DE (1) | DE60024080T2 (de) |
ES (1) | ES2253226T3 (de) |
HK (1) | HK1044614B (de) |
WO (1) | WO2000068935A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6456964B2 (en) * | 1998-12-21 | 2002-09-24 | Qualcomm, Incorporated | Encoding of periodic speech using prototype waveforms |
US6681203B1 (en) * | 1999-02-26 | 2004-01-20 | Lucent Technologies Inc. | Coupled error code protection for multi-mode vocoders |
GB2355607B (en) * | 1999-10-20 | 2002-01-16 | Motorola Israel Ltd | Digital speech processing system |
US6757301B1 (en) * | 2000-03-14 | 2004-06-29 | Cisco Technology, Inc. | Detection of ending of fax/modem communication between a telephone line and a network for switching router to compressed mode |
US7606703B2 (en) * | 2000-11-15 | 2009-10-20 | Texas Instruments Incorporated | Layered celp system and method with varying perceptual filter or short-term postfilter strengths |
US20050234712A1 (en) * | 2001-05-28 | 2005-10-20 | Yongqiang Dong | Providing shorter uniform frame lengths in dynamic time warping for voice conversion |
US20040199383A1 (en) * | 2001-11-16 | 2004-10-07 | Yumiko Kato | Speech encoder, speech decoder, speech endoding method, and speech decoding method |
WO2007120308A2 (en) * | 2005-12-02 | 2007-10-25 | Qualcomm Incorporated | Systems, methods, and apparatus for frequency-domain waveform alignment |
KR100883652B1 (ko) * | 2006-08-03 | 2009-02-18 | 삼성전자주식회사 | 음성 구간 검출 방법 및 장치, 및 이를 이용한 음성 인식시스템 |
CN101540612B (zh) * | 2008-03-19 | 2012-04-25 | 华为技术有限公司 | 编码、解码系统、方法及装置 |
US8195452B2 (en) * | 2008-06-12 | 2012-06-05 | Nokia Corporation | High-quality encoding at low-bit rates |
WO2010007211A1 (en) * | 2008-07-17 | 2010-01-21 | Nokia Corporation | Method and apparatus for fast nearestneighbor search for vector quantizers |
CN101615911B (zh) | 2009-05-12 | 2010-12-08 | 华为技术有限公司 | 一种编解码方法和装置 |
KR20110001130A (ko) * | 2009-06-29 | 2011-01-06 | 삼성전자주식회사 | 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법 |
WO2011052221A1 (ja) * | 2009-10-30 | 2011-05-05 | パナソニック株式会社 | 符号化装置、復号装置、およびそれらの方法 |
CN102222505B (zh) * | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | 可分层音频编解码方法系统及瞬态信号可分层编解码方法 |
US8990094B2 (en) * | 2010-09-13 | 2015-03-24 | Qualcomm Incorporated | Coding and decoding a transient frame |
US11270721B2 (en) * | 2018-05-21 | 2022-03-08 | Plantronics, Inc. | Systems and methods of pre-processing of speech signals for improved speech recognition |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4441201A (en) * | 1980-02-04 | 1984-04-03 | Texas Instruments Incorporated | Speech synthesis system utilizing variable frame rate |
CA1255802A (en) | 1984-07-05 | 1989-06-13 | Kazunori Ozawa | Low bit-rate pattern encoding and decoding with a reduced number of excitation pulses |
CA1252568A (en) | 1984-12-24 | 1989-04-11 | Kazunori Ozawa | Low bit-rate pattern encoding and decoding capable of reducing an information transmission rate |
JP2707564B2 (ja) | 1987-12-14 | 1998-01-28 | 株式会社日立製作所 | 音声符号化方式 |
JPH01207800A (ja) | 1988-02-15 | 1989-08-21 | Nec Corp | 音声合成方式 |
JPH02160300A (ja) * | 1988-12-13 | 1990-06-20 | Nec Corp | 音声符号化方式 |
JP3102015B2 (ja) * | 1990-05-28 | 2000-10-23 | 日本電気株式会社 | 音声復号化方法 |
ES2166355T3 (es) | 1991-06-11 | 2002-04-16 | Qualcomm Inc | Vocodificador de velocidad variable. |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
US5884253A (en) | 1992-04-09 | 1999-03-16 | Lucent Technologies, Inc. | Prototype waveform speech coding with interpolation of pitch, pitch-period waveforms, and synthesis filter |
US5784532A (en) | 1994-02-16 | 1998-07-21 | Qualcomm Incorporated | Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system |
TW271524B (de) * | 1994-08-05 | 1996-03-01 | Qualcomm Inc | |
JP3747492B2 (ja) * | 1995-06-20 | 2006-02-22 | ソニー株式会社 | 音声信号の再生方法及び再生装置 |
SE506341C2 (sv) * | 1996-04-10 | 1997-12-08 | Ericsson Telefon Ab L M | Metod och anordning för rekonstruktion av en mottagen talsignal |
JPH10214100A (ja) * | 1997-01-31 | 1998-08-11 | Sony Corp | 音声合成方法 |
US6029133A (en) * | 1997-09-15 | 2000-02-22 | Tritech Microelectronics, Ltd. | Pitch synchronized sinusoidal synthesizer |
EP1424346A4 (de) * | 2001-07-31 | 2008-05-07 | Mitsubishi Chem Corp | Polymerisationsverfahren und düse zur verwendung bei dem polymerisationsverfahren |
-
1999
- 1999-05-07 US US09/307,294 patent/US6260017B1/en not_active Expired - Lifetime
-
2000
- 2000-05-08 WO PCT/US2000/012656 patent/WO2000068935A1/en active IP Right Grant
- 2000-05-08 AT AT00930512T patent/ATE310303T1/de not_active IP Right Cessation
- 2000-05-08 ES ES00930512T patent/ES2253226T3/es not_active Expired - Lifetime
- 2000-05-08 JP JP2000617441A patent/JP4874464B2/ja not_active Expired - Lifetime
- 2000-05-08 EP EP00930512A patent/EP1181687B1/de not_active Expired - Lifetime
- 2000-05-08 AU AU48322/00A patent/AU4832200A/en not_active Abandoned
- 2000-05-08 CN CNB008087636A patent/CN1188832C/zh not_active Expired - Fee Related
- 2000-05-08 DE DE60024080T patent/DE60024080T2/de not_active Expired - Lifetime
- 2000-05-08 KR KR1020017014217A patent/KR100700857B1/ko not_active IP Right Cessation
-
2002
- 2002-08-21 HK HK02106115.5A patent/HK1044614B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2002544551A (ja) | 2002-12-24 |
HK1044614A1 (en) | 2002-10-25 |
EP1181687B1 (de) | 2005-11-16 |
KR100700857B1 (ko) | 2007-03-29 |
ATE310303T1 (de) | 2005-12-15 |
ES2253226T3 (es) | 2006-06-01 |
CN1188832C (zh) | 2005-02-09 |
US6260017B1 (en) | 2001-07-10 |
DE60024080T2 (de) | 2006-08-03 |
JP4874464B2 (ja) | 2012-02-15 |
KR20010112480A (ko) | 2001-12-20 |
EP1181687A1 (de) | 2002-02-27 |
HK1044614B (zh) | 2005-07-08 |
WO2000068935A1 (en) | 2000-11-16 |
CN1355915A (zh) | 2002-06-26 |
AU4832200A (en) | 2000-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |