DE69603755D1 - Sprachkodierung mittels Analyse durch Synthese - Google Patents
Sprachkodierung mittels Analyse durch SyntheseInfo
- Publication number
- DE69603755D1 DE69603755D1 DE69603755T DE69603755T DE69603755D1 DE 69603755 D1 DE69603755 D1 DE 69603755D1 DE 69603755 T DE69603755 T DE 69603755T DE 69603755 T DE69603755 T DE 69603755T DE 69603755 D1 DE69603755 D1 DE 69603755D1
- Authority
- DE
- Germany
- Prior art keywords
- subframe
- pulses
- short
- speech
- divided
- 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 - Fee Related
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 238000003786 synthesis reaction Methods 0.000 title abstract 2
- 230000005284 excitation Effects 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000034 method 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
- G10L19/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9500124A FR2729244B1 (fr) | 1995-01-06 | 1995-01-06 | Procede de codage de parole a analyse par synthese |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69603755D1 true DE69603755D1 (de) | 1999-09-23 |
DE69603755T2 DE69603755T2 (de) | 2000-07-06 |
Family
ID=9474923
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69601068T Expired - Fee Related DE69601068T2 (de) | 1995-01-06 | 1996-01-03 | Verfahren zur sprachkodierung mittels analyse durch synthese |
DE69603755T Expired - Fee Related DE69603755T2 (de) | 1995-01-06 | 1996-01-05 | Sprachkodierung mittels Analyse durch Synthese |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69601068T Expired - Fee Related DE69601068T2 (de) | 1995-01-06 | 1996-01-03 | Verfahren zur sprachkodierung mittels analyse durch synthese |
Country Status (8)
Country | Link |
---|---|
US (1) | US5899968A (de) |
EP (2) | EP0801789B1 (de) |
CN (1) | CN1134761C (de) |
AT (2) | ATE174147T1 (de) |
AU (1) | AU4490296A (de) |
DE (2) | DE69601068T2 (de) |
FR (1) | FR2729244B1 (de) |
WO (1) | WO1996021219A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI955266A (fi) * | 1995-11-02 | 1997-05-03 | Nokia Telecommunications Oy | Menetelmä ja laitteisto viestien välittämiseksi tietoliikennejärjestelmässä |
JP3134817B2 (ja) * | 1997-07-11 | 2001-02-13 | 日本電気株式会社 | 音声符号化復号装置 |
US6807527B1 (en) * | 1998-02-17 | 2004-10-19 | Motorola, Inc. | Method and apparatus for determination of an optimum fixed codebook vector |
US6810377B1 (en) * | 1998-06-19 | 2004-10-26 | Comsat Corporation | Lost frame recovery techniques for parametric, LPC-based speech coding systems |
US6453289B1 (en) | 1998-07-24 | 2002-09-17 | Hughes Electronics Corporation | Method of noise reduction for speech codecs |
US6480822B2 (en) | 1998-08-24 | 2002-11-12 | Conexant Systems, Inc. | Low complexity random codebook structure |
US6493665B1 (en) * | 1998-08-24 | 2002-12-10 | Conexant Systems, Inc. | Speech classification and parameter weighting used in codebook search |
US6823303B1 (en) * | 1998-08-24 | 2004-11-23 | Conexant Systems, Inc. | Speech encoder using voice activity detection in coding noise |
US6192335B1 (en) * | 1998-09-01 | 2001-02-20 | Telefonaktieboiaget Lm Ericsson (Publ) | Adaptive combining of multi-mode coding for voiced speech and noise-like signals |
JP3372908B2 (ja) * | 1999-09-17 | 2003-02-04 | エヌイーシーマイクロシステム株式会社 | マルチパルス探索処理方法と音声符号化装置 |
JP4367808B2 (ja) * | 1999-12-03 | 2009-11-18 | 富士通株式会社 | 音声データ圧縮・解凍装置及び方法 |
US6850884B2 (en) * | 2000-09-15 | 2005-02-01 | Mindspeed Technologies, Inc. | Selection of coding parameters based on spectral content of a speech signal |
US6842733B1 (en) | 2000-09-15 | 2005-01-11 | Mindspeed Technologies, Inc. | Signal processing system for filtering spectral content of a signal for speech coding |
US7047188B2 (en) * | 2002-11-08 | 2006-05-16 | Motorola, Inc. | Method and apparatus for improvement coding of the subframe gain in a speech coding system |
CN101320565B (zh) * | 2007-06-08 | 2011-05-11 | 华为技术有限公司 | 感知加权滤波方法及感知加权滤波器 |
US9626982B2 (en) * | 2011-02-15 | 2017-04-18 | Voiceage Corporation | Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec |
MY166916A (en) | 2011-04-21 | 2018-07-24 | Samsung Electronics Co Ltd | Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for dequantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefore |
CN105513602B (zh) * | 2011-04-21 | 2019-08-06 | 三星电子株式会社 | 用于语音信号或音频信号的解码设备和方法及量化设备 |
US9208134B2 (en) * | 2012-01-10 | 2015-12-08 | King Abdulaziz City For Science And Technology | Methods and systems for tokenizing multilingual textual documents |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8302985A (nl) * | 1983-08-26 | 1985-03-18 | Philips Nv | Multipulse excitatie lineair predictieve spraakcodeerder. |
CA1223365A (en) * | 1984-02-02 | 1987-06-23 | Shigeru Ono | Method and apparatus for speech coding |
NL8500843A (nl) * | 1985-03-22 | 1986-10-16 | Koninkl Philips Electronics Nv | Multipuls-excitatie lineair-predictieve spraakcoder. |
US4831624A (en) * | 1987-06-04 | 1989-05-16 | Motorola, Inc. | Error detection method for sub-band coding |
US4802171A (en) * | 1987-06-04 | 1989-01-31 | Motorola, Inc. | Method for error correction in digitally encoded speech |
CA1337217C (en) * | 1987-08-28 | 1995-10-03 | Daniel Kenneth Freeman | Speech coding |
US5058165A (en) * | 1988-01-05 | 1991-10-15 | British Telecommunications Public Limited Company | Speech excitation source coder with coded amplitudes multiplied by factors dependent on pulse position |
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 |
US5060269A (en) * | 1989-05-18 | 1991-10-22 | General Electric Company | Hybrid switched multi-pulse/stochastic speech coding technique |
US5097508A (en) * | 1989-08-31 | 1992-03-17 | Codex Corporation | Digital speech coder having improved long term lag parameter determination |
JP3268360B2 (ja) * | 1989-09-01 | 2002-03-25 | モトローラ・インコーポレイテッド | 改良されたロングターム予測器を有するデジタル音声コーダ |
WO1991006093A1 (en) * | 1989-10-17 | 1991-05-02 | Motorola, Inc. | Digital speech decoder having a postfilter with reduced spectral distortion |
US5073940A (en) * | 1989-11-24 | 1991-12-17 | General Electric Company | Method for protecting multi-pulse coders from fading and random pattern bit errors |
US5097507A (en) * | 1989-12-22 | 1992-03-17 | General Electric Company | Fading bit error protection for digital cellular multi-pulse speech coder |
US5265219A (en) * | 1990-06-07 | 1993-11-23 | Motorola, Inc. | Speech encoder using a soft interpolation decision for spectral parameters |
FI98104C (fi) * | 1991-05-20 | 1997-04-10 | Nokia Mobile Phones Ltd | Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi |
US5253269A (en) * | 1991-09-05 | 1993-10-12 | Motorola, Inc. | Delta-coded lag information for use in a speech coder |
DE9218980U1 (de) * | 1991-09-05 | 1996-08-22 | Motorola Inc., Schaumburg, Ill. | Fehlerschutz für Mehrmoden-Sprachcoder |
TW224191B (de) * | 1992-01-28 | 1994-05-21 | Qualcomm Inc | |
FI95085C (fi) * | 1992-05-11 | 1995-12-11 | Nokia Mobile Phones Ltd | Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi |
US5495555A (en) * | 1992-06-01 | 1996-02-27 | Hughes Aircraft Company | High quality low bit rate celp-based speech codec |
US5317595A (en) * | 1992-06-30 | 1994-05-31 | Nokia Mobile Phones Ltd. | Rapidly adaptable channel equalizer |
IT1264766B1 (it) * | 1993-04-09 | 1996-10-04 | Sip | Codificatore della voce utilizzante tecniche di analisi con un'eccitazione a impulsi. |
-
1995
- 1995-01-06 FR FR9500124A patent/FR2729244B1/fr not_active Expired - Fee Related
-
1996
- 1996-01-03 CN CNB961917954A patent/CN1134761C/zh not_active Expired - Fee Related
- 1996-01-03 EP EP96901009A patent/EP0801789B1/de not_active Expired - Lifetime
- 1996-01-03 DE DE69601068T patent/DE69601068T2/de not_active Expired - Fee Related
- 1996-01-03 AT AT96901009T patent/ATE174147T1/de not_active IP Right Cessation
- 1996-01-03 AU AU44902/96A patent/AU4490296A/en not_active Abandoned
- 1996-01-03 WO PCT/FR1996/000005 patent/WO1996021219A1/fr active IP Right Grant
- 1996-01-03 US US08/860,799 patent/US5899968A/en not_active Expired - Fee Related
- 1996-01-05 AT AT96400028T patent/ATE183600T1/de not_active IP Right Cessation
- 1996-01-05 EP EP96400028A patent/EP0721180B1/de not_active Expired - Lifetime
- 1996-01-05 DE DE69603755T patent/DE69603755T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1173940A (zh) | 1998-02-18 |
CN1134761C (zh) | 2004-01-14 |
FR2729244B1 (fr) | 1997-03-28 |
EP0721180A1 (de) | 1996-07-10 |
FR2729244A1 (fr) | 1996-07-12 |
US5899968A (en) | 1999-05-04 |
DE69601068D1 (de) | 1999-01-14 |
ATE183600T1 (de) | 1999-09-15 |
WO1996021219A1 (fr) | 1996-07-11 |
AU4490296A (en) | 1996-07-24 |
DE69601068T2 (de) | 1999-07-15 |
DE69603755T2 (de) | 2000-07-06 |
EP0801789B1 (de) | 1998-12-02 |
ATE174147T1 (de) | 1998-12-15 |
EP0801789A1 (de) | 1997-10-22 |
EP0721180B1 (de) | 1999-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |