ATE142814T1 - Verfahren und einrichtung zur rekonstruktion von nicht quantisierten, mittels adaptiver transformation umgewandelten sprachsignalen. - Google Patents
Verfahren und einrichtung zur rekonstruktion von nicht quantisierten, mittels adaptiver transformation umgewandelten sprachsignalen.Info
- Publication number
- ATE142814T1 ATE142814T1 AT90906553T AT90906553T ATE142814T1 AT E142814 T1 ATE142814 T1 AT E142814T1 AT 90906553 T AT90906553 T AT 90906553T AT 90906553 T AT90906553 T AT 90906553T AT E142814 T1 ATE142814 T1 AT E142814T1
- Authority
- AT
- Austria
- Prior art keywords
- transform coefficients
- voice signals
- signals converted
- spectral envelope
- adaptive transformation
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 230000009466 transformation Effects 0.000 title 1
- 230000003595 spectral effect Effects 0.000 abstract 3
- 238000007493 shaping process Methods 0.000 abstract 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
-
- 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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/339,809 US5042069A (en) | 1989-04-18 | 1989-04-18 | Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE142814T1 true ATE142814T1 (de) | 1996-09-15 |
Family
ID=23330700
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95202910T ATE196957T1 (de) | 1989-04-18 | 1990-04-09 | Verfahren und vorrichtung mit bitzuordnung zur quantisierung und dequantizierung von transformierten sprachsignalen. |
AT90906553T ATE142814T1 (de) | 1989-04-18 | 1990-04-09 | Verfahren und einrichtung zur rekonstruktion von nicht quantisierten, mittels adaptiver transformation umgewandelten sprachsignalen. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95202910T ATE196957T1 (de) | 1989-04-18 | 1990-04-09 | Verfahren und vorrichtung mit bitzuordnung zur quantisierung und dequantizierung von transformierten sprachsignalen. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5042069A (de) |
EP (2) | EP0470975B1 (de) |
JP (1) | JPH04506574A (de) |
AT (2) | ATE196957T1 (de) |
AU (1) | AU5436590A (de) |
DE (2) | DE69028525D1 (de) |
WO (1) | WO1990013111A1 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3902948A1 (de) * | 1989-02-01 | 1990-08-09 | Telefunken Fernseh & Rundfunk | Verfahren zur uebertragung eines signals |
US5434948A (en) * | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
JP2844695B2 (ja) * | 1989-07-19 | 1999-01-06 | ソニー株式会社 | 信号符号化装置 |
DE4020656A1 (de) * | 1990-06-29 | 1992-01-02 | Thomson Brandt Gmbh | Verfahren zur uebertragung eines signals |
US5235671A (en) * | 1990-10-15 | 1993-08-10 | Gte Laboratories Incorporated | Dynamic bit allocation subband excited transform coding method and apparatus |
US5687281A (en) * | 1990-10-23 | 1997-11-11 | Koninklijke Ptt Nederland N.V. | Bark amplitude component coder for a sampled analog signal and decoder for the coded signal |
US5588089A (en) * | 1990-10-23 | 1996-12-24 | Koninklijke Ptt Nederland N.V. | Bark amplitude component coder for a sampled analog signal and decoder for the coded signal |
US5537509A (en) * | 1990-12-06 | 1996-07-16 | Hughes Electronics | Comfort noise generation for digital communication systems |
US5317672A (en) * | 1991-03-05 | 1994-05-31 | Picturetel Corporation | Variable bit rate speech encoder |
CA2105387A1 (en) * | 1991-03-05 | 1992-09-06 | Antony H. Crossman | Variable bit rate speech encoder |
ES2164640T3 (es) * | 1991-08-02 | 2002-03-01 | Sony Corp | Codificador digital con asignacion dinamica de bits de cuantificacion. |
DE69232256T2 (de) * | 1991-09-27 | 2002-08-14 | Koninkl Philips Electronics Nv | Anordnung zum Liefern von Pulskodemodulationswerten in einem Fernsprechapparat |
US5630016A (en) * | 1992-05-28 | 1997-05-13 | Hughes Electronics | Comfort noise generation for digital communication systems |
US5457783A (en) * | 1992-08-07 | 1995-10-10 | Pacific Communication Sciences, Inc. | Adaptive speech coder having code excited linear prediction |
US5517511A (en) * | 1992-11-30 | 1996-05-14 | Digital Voice Systems, Inc. | Digital transmission of acoustic signals over a noisy communication channel |
US5664057A (en) * | 1993-07-07 | 1997-09-02 | Picturetel Corporation | Fixed bit rate speech encoder/decoder |
WO1995002240A1 (en) * | 1993-07-07 | 1995-01-19 | Picturetel Corporation | A fixed bit rate speech encoder/decoder |
US5463424A (en) * | 1993-08-03 | 1995-10-31 | Dolby Laboratories Licensing Corporation | Multi-channel transmitter/receiver system providing matrix-decoding compatible signals |
US5684920A (en) * | 1994-03-17 | 1997-11-04 | Nippon Telegraph And Telephone | Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein |
JP3250376B2 (ja) * | 1994-06-13 | 2002-01-28 | ソニー株式会社 | 情報符号化方法及び装置並びに情報復号化方法及び装置 |
US5727125A (en) * | 1994-12-05 | 1998-03-10 | Motorola, Inc. | Method and apparatus for synthesis of speech excitation waveforms |
US5727119A (en) * | 1995-03-27 | 1998-03-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase |
EP0770254B1 (de) * | 1995-05-10 | 2001-08-29 | Koninklijke Philips Electronics N.V. | Übertragungssystem und -verfahren für die sprachkodierung mit verbesserter detektion der grundfrequenz |
DE69620967T2 (de) * | 1995-09-19 | 2002-11-07 | At & T Corp | Synthese von Sprachsignalen in Abwesenheit kodierter Parameter |
DE19638997B4 (de) * | 1995-09-22 | 2009-12-10 | Samsung Electronics Co., Ltd., Suwon | Digitales Toncodierungsverfahren und digitale Toncodierungsvorrichtung |
JP3259759B2 (ja) * | 1996-07-22 | 2002-02-25 | 日本電気株式会社 | 音声信号伝送方法及び音声符号復号化システム |
TW384434B (en) | 1997-03-31 | 2000-03-11 | Sony Corp | Encoding method, device therefor, decoding method, device therefor and recording medium |
US6952677B1 (en) * | 1998-04-15 | 2005-10-04 | Stmicroelectronics Asia Pacific Pte Limited | Fast frame optimization in an audio encoder |
JP2000101439A (ja) * | 1998-09-24 | 2000-04-07 | Sony Corp | 情報処理装置および方法、情報記録装置および方法、記録媒体、並びに提供媒体 |
US6505152B1 (en) | 1999-09-03 | 2003-01-07 | Microsoft Corporation | Method and apparatus for using formant models in speech systems |
US20050091041A1 (en) * | 2003-10-23 | 2005-04-28 | Nokia Corporation | Method and system for speech coding |
US20050091044A1 (en) * | 2003-10-23 | 2005-04-28 | Nokia Corporation | Method and system for pitch contour quantization in audio coding |
DE602006015328D1 (de) * | 2006-11-03 | 2010-08-19 | Psytechnics Ltd | Abtastfehlerkompensation |
US9466307B1 (en) * | 2007-05-22 | 2016-10-11 | Digimarc Corporation | Robust spectral encoding and decoding methods |
KR101470940B1 (ko) * | 2007-07-06 | 2014-12-09 | 오렌지 | 디지털 신호 디코딩에서 후처리 단계에서 생기는 왜곡 제한 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4184049A (en) * | 1978-08-25 | 1980-01-15 | Bell Telephone Laboratories, Incorporated | Transform speech signal coding with pitch controlled adaptive quantizing |
DE3167257D1 (en) * | 1981-02-27 | 1985-01-03 | Ibm | Transmission methods and apparatus for implementing the method |
-
1989
- 1989-04-18 US US07/339,809 patent/US5042069A/en not_active Expired - Lifetime
-
1990
- 1990-04-09 DE DE69028525T patent/DE69028525D1/de not_active Expired - Lifetime
- 1990-04-09 AT AT95202910T patent/ATE196957T1/de not_active IP Right Cessation
- 1990-04-09 JP JP2506203A patent/JPH04506574A/ja active Pending
- 1990-04-09 EP EP90906553A patent/EP0470975B1/de not_active Expired - Lifetime
- 1990-04-09 WO PCT/US1990/001905 patent/WO1990013111A1/en active IP Right Grant
- 1990-04-09 EP EP95202910A patent/EP0700032B1/de not_active Expired - Lifetime
- 1990-04-09 DE DE69033651T patent/DE69033651D1/de not_active Expired - Lifetime
- 1990-04-09 AU AU54365/90A patent/AU5436590A/en not_active Abandoned
- 1990-04-09 AT AT90906553T patent/ATE142814T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69033651D1 (de) | 2000-11-16 |
EP0470975B1 (de) | 1996-09-11 |
JPH04506574A (ja) | 1992-11-12 |
EP0700032A2 (de) | 1996-03-06 |
AU5436590A (en) | 1990-11-16 |
WO1990013111A1 (en) | 1990-11-01 |
EP0700032B1 (de) | 2000-10-11 |
ATE196957T1 (de) | 2000-10-15 |
EP0700032A3 (de) | 1997-06-04 |
EP0470975A4 (en) | 1992-05-06 |
DE69028525D1 (de) | 1996-10-17 |
EP0470975A1 (de) | 1992-02-19 |
US5042069A (en) | 1991-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |