DE69325237T2 - Verfahren zum Kodieren eines Sprachsignales - Google Patents
Verfahren zum Kodieren eines SprachsignalesInfo
- Publication number
- DE69325237T2 DE69325237T2 DE69325237T DE69325237T DE69325237T2 DE 69325237 T2 DE69325237 T2 DE 69325237T2 DE 69325237 T DE69325237 T DE 69325237T DE 69325237 T DE69325237 T DE 69325237T DE 69325237 T2 DE69325237 T2 DE 69325237T2
- Authority
- DE
- Germany
- Prior art keywords
- coding
- speech signal
- speech
- signal
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS 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
- G10L19/12—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 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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI925376A FI95086C (fi) | 1992-11-26 | 1992-11-26 | Menetelmä puhesignaalin tehokkaaksi koodaamiseksi |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69325237D1 DE69325237D1 (de) | 1999-07-15 |
DE69325237T2 true DE69325237T2 (de) | 1999-12-16 |
Family
ID=8536280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69325237T Expired - Lifetime DE69325237T2 (de) | 1992-11-26 | 1993-11-22 | Verfahren zum Kodieren eines Sprachsignales |
Country Status (6)
Country | Link |
---|---|
US (1) | US5596677A (de) |
EP (1) | EP0599569B1 (de) |
JP (1) | JPH06222798A (de) |
AU (1) | AU665283B2 (de) |
DE (1) | DE69325237T2 (de) |
FI (1) | FI95086C (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2729246A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
JP2993396B2 (ja) * | 1995-05-12 | 1999-12-20 | 三菱電機株式会社 | 音声加工フィルタ及び音声合成装置 |
EP0815555A1 (de) * | 1996-01-04 | 1998-01-07 | Koninklijke Philips Electronics N.V. | Verfahren und system zur kodierung und anschliessender wiedergabe menschlicher sprache |
US6170073B1 (en) | 1996-03-29 | 2001-01-02 | Nokia Mobile Phones (Uk) Limited | Method and apparatus for error detection in digital communications |
US5799272A (en) * | 1996-07-01 | 1998-08-25 | Ess Technology, Inc. | Switched multiple sequence excitation model for low bit rate speech compression |
GB2317788B (en) | 1996-09-26 | 2001-08-01 | Nokia Mobile Phones Ltd | Communication device |
GB2318029B (en) * | 1996-10-01 | 2000-11-08 | Nokia Mobile Phones Ltd | Audio coding method and apparatus |
ES2157854B1 (es) | 1997-04-10 | 2002-04-01 | Nokia Mobile Phones Ltd | Metodo para disminuir el porcentaje de error de bloque en una transmision de datos en forma de bloques de datos y los correspondientes sistema de transmision de datos y estacion movil. |
FI102647B (fi) * | 1997-04-22 | 1999-01-15 | Nokia Mobile Phones Ltd | Ohjelmoitava vahvistin |
US6286122B1 (en) * | 1997-07-03 | 2001-09-04 | Nokia Mobile Phones Limited | Method and apparatus for transmitting DTX—low state information from mobile station to base station |
US5966688A (en) * | 1997-10-28 | 1999-10-12 | Hughes Electronics Corporation | Speech mode based multi-stage vector quantizer |
US5999897A (en) * | 1997-11-14 | 1999-12-07 | Comsat Corporation | Method and apparatus for pitch estimation using perception based analysis by synthesis |
US6012025A (en) * | 1998-01-28 | 2000-01-04 | Nokia Mobile Phones Limited | Audio coding method and apparatus using backward adaptive prediction |
US6799159B2 (en) | 1998-02-02 | 2004-09-28 | Motorola, Inc. | Method and apparatus employing a vocoder for speech processing |
FI105634B (fi) | 1998-04-30 | 2000-09-15 | Nokia Mobile Phones Ltd | Menetelmä videokuvien siirtämiseksi, tiedonsiirtojärjestelmä ja multimediapäätelaite |
FI981508A (fi) | 1998-06-30 | 1999-12-31 | Nokia Mobile Phones Ltd | Menetelmä, laite ja järjestelmä käyttäjän tilan arvioimiseksi |
GB9817292D0 (en) * | 1998-08-07 | 1998-10-07 | Nokia Mobile Phones Ltd | Digital video coding |
FI105635B (fi) | 1998-09-01 | 2000-09-15 | Nokia Mobile Phones Ltd | Menetelmä taustakohinainformaation lähettämiseksi tietokehysmuotoisessa tiedonsiirrossa |
US6311154B1 (en) | 1998-12-30 | 2001-10-30 | Nokia Mobile Phones Limited | Adaptive windows for analysis-by-synthesis CELP-type speech coding |
FI116992B (fi) * | 1999-07-05 | 2006-04-28 | Nokia Corp | Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi |
WO2004047305A1 (ja) * | 2002-11-21 | 2004-06-03 | Nippon Telegraph And Telephone Corporation | ディジタル信号処理方法、その処理器、そのプログラム、及びそのプログラムを格納した記録媒体 |
CN101009097B (zh) * | 2007-01-26 | 2010-11-10 | 清华大学 | 1.2kb/s SELP低速率声码器抗信道误码保护方法 |
US8831081B2 (en) * | 2010-09-01 | 2014-09-09 | Nec Corporation | Digital filter device, digital filtering method and control program for the digital filter device |
US8873615B2 (en) * | 2012-09-19 | 2014-10-28 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method and controller for equalizing a received serial data stream |
US10251002B2 (en) * | 2016-03-21 | 2019-04-02 | Starkey Laboratories, Inc. | Noise characterization and attenuation using linear predictive coding |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3266042D1 (en) * | 1981-09-24 | 1985-10-10 | Gretag Ag | Method and apparatus for reduced redundancy digital speech processing |
NL8400728A (nl) * | 1984-03-07 | 1985-10-01 | Philips Nv | Digitale spraakcoder met basisband residucodering. |
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 |
US4969192A (en) * | 1987-04-06 | 1990-11-06 | Voicecraft, Inc. | Vector adaptive predictive coder for speech and audio |
EP0316112A3 (de) * | 1987-11-05 | 1989-05-31 | AT&T Corp. | Anwendung von statischen und dynamischen Spektralinformationen in Spracherkennungssystemen |
IT1224453B (it) * | 1988-09-28 | 1990-10-04 | Sip | Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli |
JP3033060B2 (ja) * | 1988-12-22 | 2000-04-17 | 国際電信電話株式会社 | 音声予測符号化・復号化方式 |
CA2005115C (en) * | 1989-01-17 | 1997-04-22 | Juin-Hwey Chen | Low-delay code-excited linear predictive coder for speech or audio |
JPH02272500A (ja) * | 1989-04-13 | 1990-11-07 | Fujitsu Ltd | コード駆動音声符号化方式 |
DE69029120T2 (de) * | 1989-04-25 | 1997-04-30 | Toshiba Kawasaki Kk | Stimmenkodierer |
EP0401452B1 (de) * | 1989-06-07 | 1994-03-23 | International Business Machines Corporation | Sprachcodierer mit niedriger Datenrate und niedriger Verzögerung |
US5235669A (en) * | 1990-06-29 | 1993-08-10 | At&T Laboratories | Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec |
FI98104C (fi) * | 1991-05-20 | 1997-04-10 | Nokia Mobile Phones Ltd | Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi |
ES2166355T3 (es) * | 1991-06-11 | 2002-04-16 | Qualcomm Inc | Vocodificador de velocidad variable. |
SE469764B (sv) * | 1992-01-27 | 1993-09-06 | Ericsson Telefon Ab L M | Saett att koda en samplad talsignalvektor |
FI92535C (fi) * | 1992-02-14 | 1994-11-25 | Nokia Mobile Phones Ltd | Kohinan vaimennusjärjestelmä puhesignaaleille |
FI90477C (fi) * | 1992-03-23 | 1994-02-10 | Nokia Mobile Phones Ltd | Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään |
-
1992
- 1992-11-26 FI FI925376A patent/FI95086C/fi active
-
1993
- 1993-11-19 US US08/155,574 patent/US5596677A/en not_active Expired - Lifetime
- 1993-11-22 DE DE69325237T patent/DE69325237T2/de not_active Expired - Lifetime
- 1993-11-22 EP EP93309264A patent/EP0599569B1/de not_active Expired - Lifetime
- 1993-11-25 AU AU51897/93A patent/AU665283B2/en not_active Ceased
- 1993-11-26 JP JP5296618A patent/JPH06222798A/ja not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US5596677A (en) | 1997-01-21 |
EP0599569A3 (en) | 1994-09-07 |
AU665283B2 (en) | 1995-12-21 |
AU5189793A (en) | 1994-06-09 |
DE69325237D1 (de) | 1999-07-15 |
JPH06222798A (ja) | 1994-08-12 |
FI95086B (fi) | 1995-08-31 |
EP0599569B1 (de) | 1999-06-09 |
EP0599569A2 (de) | 1994-06-01 |
FI95086C (fi) | 1995-12-11 |
FI925376A0 (fi) | 1992-11-26 |
FI925376A (fi) | 1994-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |