ATE196957T1 - Verfahren und vorrichtung mit bitzuordnung zur quantisierung und dequantizierung von transformierten sprachsignalen. - Google Patents
Verfahren und vorrichtung mit bitzuordnung zur quantisierung und dequantizierung von transformierten sprachsignalen.Info
- Publication number
- ATE196957T1 ATE196957T1 AT95202910T AT95202910T ATE196957T1 AT E196957 T1 ATE196957 T1 AT E196957T1 AT 95202910 T AT95202910 T AT 95202910T AT 95202910 T AT95202910 T AT 95202910T AT E196957 T1 ATE196957 T1 AT E196957T1
- Authority
- AT
- Austria
- Prior art keywords
- transform coefficients
- voice signals
- dequantizing
- quantizing
- spectral envelope
- Prior art date
Links
- 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 |
---|---|
ATE196957T1 true ATE196957T1 (de) | 2000-10-15 |
Family
ID=23330700
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90906553T ATE142814T1 (de) | 1989-04-18 | 1990-04-09 | Verfahren und einrichtung zur rekonstruktion von nicht quantisierten, mittels adaptiver transformation umgewandelten sprachsignalen. |
AT95202910T ATE196957T1 (de) | 1989-04-18 | 1990-04-09 | Verfahren und vorrichtung mit bitzuordnung zur quantisierung und dequantizierung von transformierten sprachsignalen. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90906553T ATE142814T1 (de) | 1989-04-18 | 1990-04-09 | Verfahren und einrichtung zur rekonstruktion von nicht quantisierten, mittels adaptiver transformation umgewandelten sprachsignalen. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5042069A (de) |
EP (2) | EP0700032B1 (de) |
JP (1) | JPH04506574A (de) |
AT (2) | ATE142814T1 (de) |
AU (1) | AU5436590A (de) |
DE (2) | DE69033651D1 (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 |
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 |
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 |
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 |
JP3130934B2 (ja) * | 1991-03-05 | 2001-01-31 | ピクチュアテル コーポレイション | 可変ビットレート音声エンコーダ |
CA2075156A1 (en) * | 1991-08-02 | 1993-02-03 | Kenzo Akagiri | Digital encoder with dynamic quantization bit allocation |
DE69232256T2 (de) * | 1991-09-27 | 2002-08-14 | Koninklijke Philips Electronics N.V., Eindhoven | 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 |
DE69420848T2 (de) * | 1993-07-07 | 2000-07-20 | Picturetel Corp., Peabody | Sprachkodierer/-dekodierer mit fester bitrate |
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 |
CN1155942C (zh) * | 1995-05-10 | 2004-06-30 | 皇家菲利浦电子有限公司 | 具有改进的音调检测的编码语音传输系统和方法 |
CA2185745C (en) * | 1995-09-19 | 2001-02-13 | Juin-Hwey Chen | Synthesis of speech signals in the absence of coded parameters |
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 |
WO1999053479A1 (en) * | 1998-04-15 | 1999-10-21 | Sgs-Thomson Microelectronics Asia Pacific (Pte) Ltd. | Fast frame optimisation 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 |
CN101816041B (zh) * | 2007-07-06 | 2012-12-26 | 法国电信 | 限制音频数字信号解码过程中的后处理步骤引起的失真的方法和装置 |
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 EP EP95202910A patent/EP0700032B1/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
- 1990-04-09 JP JP2506203A patent/JPH04506574A/ja active Pending
- 1990-04-09 AT AT95202910T patent/ATE196957T1/de not_active IP Right Cessation
- 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 DE DE69033651T patent/DE69033651D1/de not_active Expired - Lifetime
- 1990-04-09 DE DE69028525T patent/DE69028525D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5042069A (en) | 1991-08-20 |
JPH04506574A (ja) | 1992-11-12 |
ATE142814T1 (de) | 1996-09-15 |
EP0700032B1 (de) | 2000-10-11 |
EP0470975A1 (de) | 1992-02-19 |
DE69033651D1 (de) | 2000-11-16 |
DE69028525D1 (de) | 1996-10-17 |
EP0700032A2 (de) | 1996-03-06 |
EP0470975A4 (en) | 1992-05-06 |
WO1990013111A1 (en) | 1990-11-01 |
AU5436590A (en) | 1990-11-16 |
EP0470975B1 (de) | 1996-09-11 |
EP0700032A3 (de) | 1997-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |