IN187453B - - Google Patents
Info
- Publication number
- IN187453B IN187453B IN198CA1996A IN187453B IN 187453 B IN187453 B IN 187453B IN 198CA1996 A IN198CA1996 A IN 198CA1996A IN 187453 B IN187453 B IN 187453B
- Authority
- IN
- India
Links
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
- G10L13/00—Speech synthesis; Text to speech systems
-
- 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
- G10L19/08—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
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0007—Codebook element generation
- G10L2019/0008—Algebraic codebooks
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0013—Codebook search algorithms
-
- 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
- G10L25/06—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 correlation coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Mobile Radio Communication Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38396895A | 1995-02-06 | 1995-02-06 | |
US08/508,801 US5754976A (en) | 1990-02-23 | 1995-07-28 | Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech |
Publications (1)
Publication Number | Publication Date |
---|---|
IN187453B true IN187453B (fr) | 2002-04-27 |
Family
ID=27010408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN198CA1996 IN187453B (fr) | 1995-02-06 | 1996-02-05 |
Country Status (26)
Country | Link |
---|---|
US (1) | US5754976A (fr) |
EP (2) | EP1225568B1 (fr) |
JP (2) | JP3430175B2 (fr) |
KR (2) | KR100388751B1 (fr) |
CN (2) | CN1198262C (fr) |
AR (1) | AR000871A1 (fr) |
AT (2) | ATE230888T1 (fr) |
AU (1) | AU708392C (fr) |
BR (1) | BR9607026A (fr) |
CA (1) | CA2210765C (fr) |
DE (1) | DE19604273C5 (fr) |
DK (2) | DK1225568T3 (fr) |
ES (1) | ES2112807B1 (fr) |
FI (2) | FI117994B (fr) |
FR (1) | FR2730336B1 (fr) |
GB (1) | GB2297671B (fr) |
HK (2) | HK1002492A1 (fr) |
IN (1) | IN187453B (fr) |
IT (1) | IT1305724B1 (fr) |
MX (1) | MX9705997A (fr) |
MY (2) | MY119038A (fr) |
NO (1) | NO318595B1 (fr) |
PT (1) | PT1225568E (fr) |
RU (1) | RU2142166C1 (fr) |
SE (1) | SE520553C2 (fr) |
WO (1) | WO1996024925A1 (fr) |
Families Citing this family (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE508788C2 (sv) * | 1995-04-12 | 1998-11-02 | Ericsson Telefon Ab L M | Förfarande att bestämma positionerna inom en talram för excitationspulser |
US5822724A (en) * | 1995-06-14 | 1998-10-13 | Nahumi; Dror | Optimized pulse location in codebook searching techniques for speech processing |
US6393391B1 (en) * | 1998-04-15 | 2002-05-21 | Nec Corporation | Speech coder for high quality at low bit rates |
TW317051B (fr) * | 1996-02-15 | 1997-10-01 | Philips Electronics Nv | |
US6408268B1 (en) * | 1997-03-12 | 2002-06-18 | Mitsubishi Denki Kabushiki Kaisha | Voice encoder, voice decoder, voice encoder/decoder, voice encoding method, voice decoding method and voice encoding/decoding method |
FI114248B (fi) * | 1997-03-14 | 2004-09-15 | Nokia Corp | Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen |
US6385576B2 (en) * | 1997-12-24 | 2002-05-07 | Kabushiki Kaisha Toshiba | Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch |
IL136722A0 (en) * | 1997-12-24 | 2001-06-14 | Mitsubishi Electric Corp | A method for speech coding, method for speech decoding and their apparatuses |
US5963897A (en) * | 1998-02-27 | 1999-10-05 | Lernout & Hauspie Speech Products N.V. | Apparatus and method for hybrid excited linear prediction speech encoding |
FI113571B (fi) | 1998-03-09 | 2004-05-14 | Nokia Corp | Puheenkoodaus |
JP3180762B2 (ja) * | 1998-05-11 | 2001-06-25 | 日本電気株式会社 | 音声符号化装置及び音声復号化装置 |
US6714907B2 (en) * | 1998-08-24 | 2004-03-30 | Mindspeed Technologies, Inc. | Codebook structure and search for speech coding |
KR100409167B1 (ko) * | 1998-09-11 | 2003-12-12 | 모토로라 인코포레이티드 | 정보 신호를 부호화하는 방법 및 장치 |
SE521225C2 (sv) * | 1998-09-16 | 2003-10-14 | Ericsson Telefon Ab L M | Förfarande och anordning för CELP-kodning/avkodning |
CA2252170A1 (fr) * | 1998-10-27 | 2000-04-27 | Bruno Bessette | Methode et dispositif pour le codage de haute qualite de la parole fonctionnant sur une bande large et de signaux audio |
JP4173940B2 (ja) * | 1999-03-05 | 2008-10-29 | 松下電器産業株式会社 | 音声符号化装置及び音声符号化方法 |
US6295520B1 (en) | 1999-03-15 | 2001-09-25 | Tritech Microelectronics Ltd. | Multi-pulse synthesis simplification in analysis-by-synthesis coders |
JP2001075600A (ja) * | 1999-09-07 | 2001-03-23 | Mitsubishi Electric Corp | 音声符号化装置および音声復号化装置 |
US7272553B1 (en) * | 1999-09-08 | 2007-09-18 | 8X8, Inc. | Varying pulse amplitude multi-pulse analysis speech processor and method |
JP4005359B2 (ja) * | 1999-09-14 | 2007-11-07 | 富士通株式会社 | 音声符号化及び音声復号化装置 |
CA2290037A1 (fr) | 1999-11-18 | 2001-05-18 | Voiceage Corporation | Dispositif amplificateur a lissage du gain et methode pour codecs de signaux audio et de parole a large bande |
KR100576024B1 (ko) * | 2000-04-12 | 2006-05-02 | 삼성전자주식회사 | 에이켈프 음성 압축기의 코드북 검색 장치 및 방법 |
US6728669B1 (en) * | 2000-08-07 | 2004-04-27 | Lucent Technologies Inc. | Relative pulse position in celp vocoding |
US7363219B2 (en) * | 2000-09-22 | 2008-04-22 | Texas Instruments Incorporated | Hybrid speech coding and system |
CA2327041A1 (fr) * | 2000-11-22 | 2002-05-22 | Voiceage Corporation | Methode d'indexage de positions et de signes d'impulsions dans des guides de codification algebriques permettant le codage efficace de signaux a large bande |
KR100438175B1 (ko) * | 2001-10-23 | 2004-07-01 | 엘지전자 주식회사 | 코드북 검색방법 |
US7236928B2 (en) * | 2001-12-19 | 2007-06-26 | Ntt Docomo, Inc. | Joint optimization of speech excitation and filter parameters |
US7206740B2 (en) * | 2002-01-04 | 2007-04-17 | Broadcom Corporation | Efficient excitation quantization in noise feedback coding with general noise shaping |
JP2003255976A (ja) * | 2002-02-28 | 2003-09-10 | Nec Corp | 音声素片データベースの圧縮伸張を行なう音声合成装置及び方法 |
CA2388439A1 (fr) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | Methode et dispositif de dissimulation d'effacement de cadres dans des codecs de la parole a prevision lineaire |
CA2392640A1 (fr) * | 2002-07-05 | 2004-01-05 | Voiceage Corporation | Methode et dispositif de signalisation attenuation-rafale de reseau intelligent efficace et exploitation maximale a demi-debit dans le codage de la parole a large bande a debit binaire variable pour systemes amrc sans fil |
US7054807B2 (en) * | 2002-11-08 | 2006-05-30 | Motorola, Inc. | Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters |
KR100503414B1 (ko) * | 2002-11-14 | 2005-07-22 | 한국전자통신연구원 | 고정 코드북의 집중 검색 방법 및 장치 |
US7698132B2 (en) * | 2002-12-17 | 2010-04-13 | Qualcomm Incorporated | Sub-sampled excitation waveform codebooks |
US7249014B2 (en) * | 2003-03-13 | 2007-07-24 | Intel Corporation | Apparatus, methods and articles incorporating a fast algebraic codebook search technique |
WO2004090870A1 (fr) * | 2003-04-04 | 2004-10-21 | Kabushiki Kaisha Toshiba | Procede et dispositif pour le codage ou le decodage de signaux audio large bande |
EP1513137A1 (fr) * | 2003-08-22 | 2005-03-09 | MicronasNIT LCC, Novi Sad Institute of Information Technologies | Système de traitement de la parole à excitation à impulsions multiples |
CN100416652C (zh) * | 2005-10-31 | 2008-09-03 | 连展科技(天津)有限公司 | 增强的amr编码器快速固定码本搜索方法 |
US8352254B2 (en) * | 2005-12-09 | 2013-01-08 | Panasonic Corporation | Fixed code book search device and fixed code book search method |
US8255207B2 (en) * | 2005-12-28 | 2012-08-28 | Voiceage Corporation | Method and device for efficient frame erasure concealment in speech codecs |
JP3981399B1 (ja) * | 2006-03-10 | 2007-09-26 | 松下電器産業株式会社 | 固定符号帳探索装置および固定符号帳探索方法 |
US20080120098A1 (en) * | 2006-11-21 | 2008-05-22 | Nokia Corporation | Complexity Adjustment for a Signal Encoder |
CN101286321B (zh) * | 2006-12-26 | 2013-01-09 | 华为技术有限公司 | 双脉冲激励的线性测编码 |
US8688437B2 (en) | 2006-12-26 | 2014-04-01 | Huawei Technologies Co., Ltd. | Packet loss concealment for speech coding |
ES2817906T3 (es) | 2007-04-29 | 2021-04-08 | Huawei Tech Co Ltd | Método de codificación de impulsos de las señales de excitación |
CN100530357C (zh) * | 2007-07-11 | 2009-08-19 | 华为技术有限公司 | 固定码书搜索方法及搜索器 |
US8566106B2 (en) * | 2007-09-11 | 2013-10-22 | Voiceage Corporation | Method and device for fast algebraic codebook search in speech and audio coding |
CN100578619C (zh) * | 2007-11-05 | 2010-01-06 | 华为技术有限公司 | 编码方法和编码器 |
CA2710310A1 (fr) * | 2007-12-21 | 2009-07-02 | Nvoq Incorporated | Systeme de dictee/transcription distribue |
US7889103B2 (en) * | 2008-03-13 | 2011-02-15 | Motorola Mobility, Inc. | Method and apparatus for low complexity combinatorial coding of signals |
PL2242045T3 (pl) * | 2009-04-16 | 2013-02-28 | Univ Mons | Sposób kodowania i syntezy mowy |
CN101931414B (zh) * | 2009-06-19 | 2013-04-24 | 华为技术有限公司 | 脉冲编码方法及装置、脉冲解码方法及装置 |
US8280729B2 (en) * | 2010-01-22 | 2012-10-02 | Research In Motion Limited | System and method for encoding and decoding pulse indices |
CN102299760B (zh) | 2010-06-24 | 2014-03-12 | 华为技术有限公司 | 脉冲编解码方法及脉冲编解码器 |
CN102623012B (zh) | 2011-01-26 | 2014-08-20 | 华为技术有限公司 | 矢量联合编解码方法及编解码器 |
US9767822B2 (en) | 2011-02-07 | 2017-09-19 | Qualcomm Incorporated | Devices for encoding and decoding a watermarked signal |
US8880404B2 (en) * | 2011-02-07 | 2014-11-04 | Qualcomm Incorporated | Devices for adaptively encoding and decoding a watermarked signal |
US9767823B2 (en) | 2011-02-07 | 2017-09-19 | Qualcomm Incorporated | Devices for encoding and detecting a watermarked signal |
US9070356B2 (en) | 2012-04-04 | 2015-06-30 | Google Technology Holdings LLC | Method and apparatus for generating a candidate code-vector to code an informational signal |
US9263053B2 (en) | 2012-04-04 | 2016-02-16 | Google Technology Holdings LLC | Method and apparatus for generating a candidate code-vector to code an informational signal |
CN103456309B (zh) * | 2012-05-31 | 2016-04-20 | 展讯通信(上海)有限公司 | 语音编码器及其代数码表搜索方法和装置 |
US9728200B2 (en) * | 2013-01-29 | 2017-08-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding |
US20140334564A1 (en) * | 2013-05-09 | 2014-11-13 | Samsung Electronics Co., Ltd | Method and system for providing low-complexity hybrid precoding in wireless communication systems |
Family Cites Families (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4401855A (en) * | 1980-11-28 | 1983-08-30 | The Regents Of The University Of California | Apparatus for the linear predictive coding of human speech |
CA1164569A (fr) * | 1981-03-17 | 1984-03-27 | Katsunobu Fushikida | Systeme pour determiner les poles et les zeros |
EP0107659A4 (fr) * | 1982-04-29 | 1985-02-18 | Massachusetts Inst Technology | Codeur et synthetiseur vocal. |
US4625286A (en) * | 1982-05-03 | 1986-11-25 | Texas Instruments Incorporated | Time encoding of LPC roots |
US4520499A (en) * | 1982-06-25 | 1985-05-28 | Milton Bradley Company | Combination speech synthesis and recognition apparatus |
JPS5922165A (ja) * | 1982-07-28 | 1984-02-04 | Nippon Telegr & Teleph Corp <Ntt> | アドレス制御回路 |
DE3276651D1 (en) * | 1982-11-26 | 1987-07-30 | Ibm | Speech signal coding method and apparatus |
US4764963A (en) * | 1983-04-12 | 1988-08-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Speech pattern compression arrangement utilizing speech event identification |
US4667340A (en) * | 1983-04-13 | 1987-05-19 | Texas Instruments Incorporated | Voice messaging system with pitch-congruent baseband coding |
US4669120A (en) * | 1983-07-08 | 1987-05-26 | Nec Corporation | Low bit-rate speech coding with decision of a location of each exciting pulse of a train concurrently with optimum amplitudes of pulses |
DE3335358A1 (de) * | 1983-09-29 | 1985-04-11 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur bestimmung von sprachspektren fuer die automatische spracherkennung und sprachcodierung |
US4799261A (en) * | 1983-11-03 | 1989-01-17 | Texas Instruments Incorporated | Low data rate speech encoding employing syllable duration patterns |
CA1236922A (fr) * | 1983-11-30 | 1988-05-17 | Paul Mermelstein | Methode et appareil de codage de signaux numerique |
CA1223365A (fr) * | 1984-02-02 | 1987-06-23 | Shigeru Ono | Methode et appareil de codage de paroles |
US4724535A (en) * | 1984-04-17 | 1988-02-09 | Nec Corporation | Low bit-rate pattern coding with recursive orthogonal decision of parameters |
US4680797A (en) * | 1984-06-26 | 1987-07-14 | The United States Of America As Represented By The Secretary Of The Air Force | Secure digital speech communication |
US4742550A (en) * | 1984-09-17 | 1988-05-03 | Motorola, Inc. | 4800 BPS interoperable relp system |
CA1252568A (fr) * | 1984-12-24 | 1989-04-11 | Kazunori Ozawa | Codeur et decodeur de signaux a faible debit binaire pouvant reduire la vitesse de transmission de l'information |
US4858115A (en) * | 1985-07-31 | 1989-08-15 | Unisys Corporation | Loop control mechanism for scientific processor |
IT1184023B (it) * | 1985-12-17 | 1987-10-22 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica |
US4720861A (en) * | 1985-12-24 | 1988-01-19 | Itt Defense Communications A Division Of Itt Corporation | Digital speech coding circuit |
US4797926A (en) * | 1986-09-11 | 1989-01-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech vocoder |
US4771465A (en) * | 1986-09-11 | 1988-09-13 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech sinusoidal vocoder with transmission of only subset of harmonics |
US4873723A (en) * | 1986-09-18 | 1989-10-10 | Nec Corporation | Method and apparatus for multi-pulse speech coding |
US4797925A (en) * | 1986-09-26 | 1989-01-10 | Bell Communications Research, Inc. | Method for coding speech at low bit rates |
IT1195350B (it) * | 1986-10-21 | 1988-10-12 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale |
US4868867A (en) * | 1987-04-06 | 1989-09-19 | Voicecraft Inc. | Vector excitation speech or audio coder for transmission or storage |
CA1337217C (fr) * | 1987-08-28 | 1995-10-03 | Daniel Kenneth Freeman | Codage vocal |
US4815134A (en) * | 1987-09-08 | 1989-03-21 | Texas Instruments Incorporated | Very low rate speech encoder and decoder |
IL84902A (en) * | 1987-12-21 | 1991-12-15 | D S P Group Israel Ltd | Digital autocorrelation system for detecting speech in noisy audio signal |
US4817157A (en) * | 1988-01-07 | 1989-03-28 | Motorola, Inc. | Digital speech coder having improved vector excitation source |
DE68922134T2 (de) * | 1988-05-20 | 1995-11-30 | Nippon Electric Co | Überträgungssystem für codierte Sprache mit Codebüchern zur Synthetisierung von Komponenten mit niedriger Amplitude. |
US5008965A (en) * | 1988-07-11 | 1991-04-23 | Kinetic Concepts, Inc. | Fluidized bead bed |
IT1232084B (it) * | 1989-05-03 | 1992-01-23 | Cselt Centro Studi Lab Telecom | Sistema di codifica per segnali audio a banda allargata |
SE463691B (sv) * | 1989-05-11 | 1991-01-07 | Ericsson Telefon Ab L M | Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen |
US5097508A (en) * | 1989-08-31 | 1992-03-17 | Codex Corporation | Digital speech coder having improved long term lag parameter determination |
US5307441A (en) * | 1989-11-29 | 1994-04-26 | Comsat Corporation | Wear-toll quality 4.8 kbps speech codec |
CA2010830C (fr) * | 1990-02-23 | 1996-06-25 | Jean-Pierre Adoul | Regles de codage dynamique permettant un codage efficace des paroles au moyen de codes algebriques |
US5144671A (en) * | 1990-03-15 | 1992-09-01 | Gte Laboratories Incorporated | Method for reducing the search complexity in analysis-by-synthesis coding |
US5293449A (en) * | 1990-11-23 | 1994-03-08 | Comsat Corporation | Analysis-by-synthesis 2,4 kbps linear predictive speech codec |
US5396576A (en) * | 1991-05-22 | 1995-03-07 | Nippon Telegraph And Telephone Corporation | Speech coding and decoding methods using adaptive and random code books |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
JP3089769B2 (ja) * | 1991-12-03 | 2000-09-18 | 日本電気株式会社 | 音声符号化装置 |
US5457783A (en) * | 1992-08-07 | 1995-10-10 | Pacific Communication Sciences, Inc. | Adaptive speech coder having code excited linear prediction |
DE4315313C2 (de) * | 1993-05-07 | 2001-11-08 | Bosch Gmbh Robert | Vektorcodierverfahren insbesondere für Sprachsignale |
-
1995
- 1995-07-28 US US08/508,801 patent/US5754976A/en not_active Expired - Lifetime
-
1996
- 1996-01-27 MY MYPI96000300A patent/MY119038A/en unknown
- 1996-01-27 MY MYPI20021290A patent/MY130529A/en unknown
- 1996-02-02 RU RU97114804A patent/RU2142166C1/ru active
- 1996-02-02 AT AT96900816T patent/ATE230888T1/de active
- 1996-02-02 EP EP02075797A patent/EP1225568B1/fr not_active Expired - Lifetime
- 1996-02-02 CA CA002210765A patent/CA2210765C/fr not_active Expired - Lifetime
- 1996-02-02 DK DK02075797T patent/DK1225568T3/da active
- 1996-02-02 KR KR1019970705372A patent/KR100388751B1/ko not_active IP Right Cessation
- 1996-02-02 PT PT02075797T patent/PT1225568E/pt unknown
- 1996-02-02 MX MX9705997A patent/MX9705997A/es unknown
- 1996-02-02 EP EP96900816A patent/EP0808496B1/fr not_active Expired - Lifetime
- 1996-02-02 IT IT1996UD000012A patent/IT1305724B1/it active
- 1996-02-02 AT AT02075797T patent/ATE248423T1/de active
- 1996-02-02 JP JP52385296A patent/JP3430175B2/ja not_active Expired - Lifetime
- 1996-02-02 DK DK96900816T patent/DK0808496T3/da active
- 1996-02-02 CN CNB961930950A patent/CN1198262C/zh not_active Expired - Lifetime
- 1996-02-02 WO PCT/CA1996/000069 patent/WO1996024925A1/fr active IP Right Grant
- 1996-02-02 BR BR9607026A patent/BR9607026A/pt not_active Application Discontinuation
- 1996-02-02 AU AU44796/96A patent/AU708392C/en not_active Expired
- 1996-02-05 IN IN198CA1996 patent/IN187453B/en unknown
- 1996-02-05 AR ARP960101276A patent/AR000871A1/es unknown
- 1996-02-06 SE SE9600437A patent/SE520553C2/sv not_active IP Right Cessation
- 1996-02-06 DE DE19604273A patent/DE19604273C5/de not_active Expired - Lifetime
- 1996-02-06 FR FR9601426A patent/FR2730336B1/fr not_active Expired - Lifetime
- 1996-02-06 GB GB9602391A patent/GB2297671B/en not_active Expired - Lifetime
- 1996-08-15 ES ES09650025A patent/ES2112807B1/es not_active Expired - Fee Related
-
1997
- 1997-07-28 NO NO19973472A patent/NO318595B1/no not_active IP Right Cessation
- 1997-08-06 FI FI973241A patent/FI117994B/fi not_active IP Right Cessation
-
1998
- 1998-02-24 HK HK98101406A patent/HK1002492A1/xx not_active IP Right Cessation
-
2002
- 2002-02-18 FI FI20020320A patent/FI118396B/fi not_active IP Right Cessation
- 2002-03-21 CN CNB021079072A patent/CN1220178C/zh not_active Expired - Lifetime
- 2002-05-02 KR KR1020020024078A patent/KR100393910B1/ko not_active IP Right Cessation
-
2003
- 2003-03-26 JP JP2003085959A patent/JP4187556B2/ja not_active Expired - Lifetime
- 2003-10-13 HK HK03107310A patent/HK1055007A1/xx not_active IP Right Cessation