IT1195350B - Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale - Google Patents
Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettorialeInfo
- Publication number
- IT1195350B IT1195350B IT67792/86A IT6779286A IT1195350B IT 1195350 B IT1195350 B IT 1195350B IT 67792/86 A IT67792/86 A IT 67792/86A IT 6779286 A IT6779286 A IT 6779286A IT 1195350 B IT1195350 B IT 1195350B
- Authority
- IT
- Italy
- Prior art keywords
- decoding
- coding
- extraction
- techniques
- procedure
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 238000000605 extraction Methods 0.000 title 1
- 238000013139 quantization Methods 0.000 title 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67792/86A IT1195350B (it) | 1986-10-21 | 1986-10-21 | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale |
US07/109,500 US4860355A (en) | 1986-10-21 | 1987-10-15 | Method of and device for speech signal coding and decoding by parameter extraction and vector quantization techniques |
JP62258501A JPH079600B2 (ja) | 1986-10-21 | 1987-10-15 | 音声信号の符号化及び復号化のための方法及び装置 |
DE8787115291T DE3771839D1 (de) | 1986-10-21 | 1987-10-19 | Verfahren und einrichtung zur kodierung und dekodierung von sprachsignalen durch parameterextraktion und vektorquantisierung. |
EP87115291A EP0266620B1 (en) | 1986-10-21 | 1987-10-19 | Method of and device for speech signal coding and decoding by parameter extraction and vector quantization techniques |
DE198787115291T DE266620T1 (de) | 1986-10-21 | 1987-10-19 | Verfahren und einrichtung zur kodierung und dekodierung von sprachsignalen durch parameterextraktion und vektorquantisierung. |
CA000549848A CA1292805C (en) | 1986-10-21 | 1987-10-21 | Method of and device for speech signal coding and decoding by parameter extraction and vector quantization techniques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67792/86A IT1195350B (it) | 1986-10-21 | 1986-10-21 | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8667792A0 IT8667792A0 (it) | 1986-10-21 |
IT1195350B true IT1195350B (it) | 1988-10-12 |
Family
ID=11305325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67792/86A IT1195350B (it) | 1986-10-21 | 1986-10-21 | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale |
Country Status (6)
Country | Link |
---|---|
US (1) | US4860355A (it) |
EP (1) | EP0266620B1 (it) |
JP (1) | JPH079600B2 (it) |
CA (1) | CA1292805C (it) |
DE (2) | DE3771839D1 (it) |
IT (1) | IT1195350B (it) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68922134T2 (de) * | 1988-05-20 | 1995-11-30 | Nippon Electric Co | Überträgungssystem für codierte Sprache mit Codebüchern zur Synthetisierung von Komponenten mit niedriger Amplitude. |
US5384891A (en) * | 1988-09-28 | 1995-01-24 | Hitachi, Ltd. | Vector quantizing apparatus and speech analysis-synthesis system using the apparatus |
CA1321645C (en) * | 1988-09-28 | 1993-08-24 | Akira Ichikawa | Method and system for voice coding based on vector quantization |
US5261027A (en) * | 1989-06-28 | 1993-11-09 | Fujitsu Limited | Code excited linear prediction speech coding system |
US4975956A (en) * | 1989-07-26 | 1990-12-04 | Itt Corporation | Low-bit-rate speech coder using LPC data reduction processing |
GB2235354A (en) * | 1989-08-16 | 1991-02-27 | Philips Electronic Associated | Speech coding/encoding using celp |
NL8902347A (nl) * | 1989-09-20 | 1991-04-16 | Nederland Ptt | Werkwijze voor het coderen van een binnen een zeker tijdsinterval voorkomend analoog signaal, waarbij dat analoge signaal wordt geconverteerd in besturingscodes die bruikbaar zijn voor het samenstellen van een met dat analoge signaal overeenkomend synthetisch signaal. |
US5307441A (en) * | 1989-11-29 | 1994-04-26 | Comsat Corporation | Wear-toll quality 4.8 kbps speech codec |
JPH03181232A (ja) * | 1989-12-11 | 1991-08-07 | Toshiba Corp | 可変レート符号化方式 |
US5701392A (en) * | 1990-02-23 | 1997-12-23 | Universite De Sherbrooke | Depth-first algebraic-codebook search for fast coding of speech |
US5754976A (en) * | 1990-02-23 | 1998-05-19 | Universite De Sherbrooke | Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech |
CA2010830C (en) * | 1990-02-23 | 1996-06-25 | Jean-Pierre Adoul | Dynamic codebook for efficient speech coding based on algebraic codes |
SE466824B (sv) * | 1990-08-10 | 1992-04-06 | Ericsson Telefon Ab L M | Foerfarande foer kodning av en samplad talsignalvektor |
CA2051304C (en) * | 1990-09-18 | 1996-03-05 | Tomohiko Taniguchi | Speech coding and decoding system |
FR2668288B1 (fr) * | 1990-10-19 | 1993-01-15 | Di Francesco Renaud | Procede de transmission, a bas debit, par codage celp d'un signal de parole et systeme correspondant. |
US5293449A (en) * | 1990-11-23 | 1994-03-08 | Comsat Corporation | Analysis-by-synthesis 2,4 kbps linear predictive speech codec |
DE69309557T2 (de) * | 1992-06-29 | 1997-10-09 | Nippon Telegraph & Telephone | Verfahren und Vorrichtung zur Sprachkodierung |
CA2105269C (en) * | 1992-10-09 | 1998-08-25 | Yair Shoham | Time-frequency interpolation with application to low rate speech coding |
FI95086C (fi) * | 1992-11-26 | 1995-12-11 | Nokia Mobile Phones Ltd | Menetelmä puhesignaalin tehokkaaksi koodaamiseksi |
US5596680A (en) * | 1992-12-31 | 1997-01-21 | Apple Computer, Inc. | Method and apparatus for detecting speech activity using cepstrum vectors |
US5692104A (en) * | 1992-12-31 | 1997-11-25 | Apple Computer, Inc. | Method and apparatus for detecting end points of speech activity |
FI96248C (fi) * | 1993-05-06 | 1996-05-27 | Nokia Mobile Phones Ltd | Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin |
DE4315319C2 (de) * | 1993-05-07 | 2002-11-14 | Bosch Gmbh Robert | Verfahren zur Aufbereitung von Daten, insbesondere von codierten Sprachsignalparametern |
DE4315313C2 (de) * | 1993-05-07 | 2001-11-08 | Bosch Gmbh Robert | Vektorcodierverfahren insbesondere für Sprachsignale |
US5468069A (en) * | 1993-08-03 | 1995-11-21 | University Of So. California | Single chip design for fast image compression |
US6134521A (en) * | 1994-02-17 | 2000-10-17 | Motorola, Inc. | Method and apparatus for mitigating audio degradation in a communication system |
JPH08179796A (ja) * | 1994-12-21 | 1996-07-12 | Sony Corp | 音声符号化方法 |
GB2300548B (en) * | 1995-05-02 | 2000-01-12 | Motorola Ltd | Method for a communications system |
JPH1032495A (ja) * | 1996-07-18 | 1998-02-03 | Sony Corp | データ処理装置および方法 |
GB2346785B (en) * | 1998-09-15 | 2000-11-15 | Motorola Ltd | Speech coder for a communications system and method for operation thereof |
JP2001175298A (ja) * | 1999-12-13 | 2001-06-29 | Fujitsu Ltd | 騒音抑圧装置 |
US6735561B1 (en) | 2000-03-29 | 2004-05-11 | At&T Corp. | Effective deployment of temporal noise shaping (TNS) filters |
US7099830B1 (en) * | 2000-03-29 | 2006-08-29 | At&T Corp. | Effective deployment of temporal noise shaping (TNS) filters |
US6356213B1 (en) * | 2000-05-31 | 2002-03-12 | Lucent Technologies Inc. | System and method for prediction-based lossless encoding |
US7171355B1 (en) | 2000-10-25 | 2007-01-30 | Broadcom Corporation | Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
US7110942B2 (en) * | 2001-08-14 | 2006-09-19 | Broadcom Corporation | Efficient excitation quantization in a noise feedback coding system using correlation techniques |
US6751587B2 (en) | 2002-01-04 | 2004-06-15 | Broadcom Corporation | Efficient excitation quantization in noise feedback coding with general noise shaping |
US7206740B2 (en) * | 2002-01-04 | 2007-04-17 | Broadcom Corporation | Efficient excitation quantization in noise feedback coding with general noise shaping |
WO2005027094A1 (fr) * | 2003-09-17 | 2005-03-24 | Beijing E-World Technology Co.,Ltd. | Procede et dispositif de quantification de vecteur multi-resolution multiple pour codage et decodage audio |
US8473286B2 (en) * | 2004-02-26 | 2013-06-25 | Broadcom Corporation | Noise feedback coding system and method for providing generalized noise shaping within a simple filter structure |
KR101037931B1 (ko) * | 2004-05-13 | 2011-05-30 | 삼성전자주식회사 | 2차원 데이터 처리를 이용한 음성 신호 압축 및 복원장치와 그 방법 |
WO2009056047A1 (en) * | 2007-10-25 | 2009-05-07 | Huawei Technologies Co., Ltd. | A vector quantizating method and vector quantizer |
CN101436408B (zh) * | 2007-11-13 | 2012-04-25 | 华为技术有限公司 | 矢量量化方法及矢量量化器 |
WO2011129774A1 (en) * | 2010-04-15 | 2011-10-20 | Agency For Science, Technology And Research | Probability table generator, encoder and decoder |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1180126B (it) * | 1984-11-13 | 1987-09-23 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante tecniche di quantizzazione vettoriale |
-
1986
- 1986-10-21 IT IT67792/86A patent/IT1195350B/it active
-
1987
- 1987-10-15 US US07/109,500 patent/US4860355A/en not_active Expired - Fee Related
- 1987-10-15 JP JP62258501A patent/JPH079600B2/ja not_active Expired - Lifetime
- 1987-10-19 DE DE8787115291T patent/DE3771839D1/de not_active Expired - Lifetime
- 1987-10-19 EP EP87115291A patent/EP0266620B1/en not_active Expired
- 1987-10-19 DE DE198787115291T patent/DE266620T1/de active Pending
- 1987-10-21 CA CA000549848A patent/CA1292805C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3771839D1 (de) | 1991-09-05 |
US4860355A (en) | 1989-08-22 |
JPH079600B2 (ja) | 1995-02-01 |
DE266620T1 (de) | 1988-09-01 |
JPS63113600A (ja) | 1988-05-18 |
IT8667792A0 (it) | 1986-10-21 |
EP0266620A1 (en) | 1988-05-11 |
CA1292805C (en) | 1991-12-03 |
EP0266620B1 (en) | 1991-07-31 |
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Legal Events
Date | Code | Title | Description |
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TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19951011 |