TW242724B - - Google Patents
Info
- Publication number
- TW242724B TW242724B TW082109136A TW82109136A TW242724B TW 242724 B TW242724 B TW 242724B TW 082109136 A TW082109136 A TW 082109136A TW 82109136 A TW82109136 A TW 82109136A TW 242724 B TW242724 B TW 242724B
- Authority
- TW
- Taiwan
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
-
- 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
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (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)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Electrically Operated Instructional Devices (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US97044792A | 1992-11-02 | 1992-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW242724B true TW242724B (zh) | 1995-03-11 |
Family
ID=25516958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW082109136A TW242724B (zh) | 1992-11-02 | 1993-11-02 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5528727A (zh) |
| EP (1) | EP0596847A3 (zh) |
| JP (1) | JPH06214599A (zh) |
| KR (1) | KR960013961B1 (zh) |
| AU (1) | AU654094B2 (zh) |
| CA (1) | CA2108623A1 (zh) |
| FI (1) | FI934615A (zh) |
| NO (1) | NO933940L (zh) |
| TW (1) | TW242724B (zh) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9512284D0 (en) * | 1995-06-16 | 1995-08-16 | Nokia Mobile Phones Ltd | Speech Synthesiser |
| KR100389895B1 (ko) * | 1996-05-25 | 2003-11-28 | 삼성전자주식회사 | 음성 부호화 및 복호화방법 및 그 장치 |
| US5799271A (en) * | 1996-06-24 | 1998-08-25 | Electronics And Telecommunications Research Institute | Method for reducing pitch search time for vocoder |
| US6058359A (en) * | 1998-03-04 | 2000-05-02 | Telefonaktiebolaget L M Ericsson | Speech coding including soft adaptability feature |
| CA2722196C (en) | 1997-12-24 | 2014-10-21 | Mitsubishi Denki Kabushiki Kaisha | A method for speech coding, method for speech decoding and their apparatuses |
| US6470309B1 (en) * | 1998-05-08 | 2002-10-22 | Texas Instruments Incorporated | Subframe-based correlation |
| US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
| US6240386B1 (en) * | 1998-08-24 | 2001-05-29 | Conexant Systems, Inc. | Speech codec employing noise classification for noise compensation |
| US6714907B2 (en) | 1998-08-24 | 2004-03-30 | Mindspeed Technologies, Inc. | Codebook structure and search for speech coding |
| US6556966B1 (en) | 1998-08-24 | 2003-04-29 | Conexant Systems, Inc. | Codebook structure for changeable pulse multimode speech coding |
| US6173257B1 (en) | 1998-08-24 | 2001-01-09 | Conexant Systems, Inc | Completed fixed codebook for speech encoder |
| US6449313B1 (en) * | 1999-04-28 | 2002-09-10 | Lucent Technologies Inc. | Shaped fixed codebook search for celp speech coding |
| US6704701B1 (en) * | 1999-07-02 | 2004-03-09 | Mindspeed Technologies, Inc. | Bi-directional pitch enhancement in speech coding systems |
| US6959274B1 (en) | 1999-09-22 | 2005-10-25 | Mindspeed Technologies, Inc. | Fixed rate speech compression system and method |
| US20030135374A1 (en) * | 2002-01-16 | 2003-07-17 | Hardwick John C. | Speech synthesizer |
| KR100546758B1 (ko) * | 2003-06-30 | 2006-01-26 | 한국전자통신연구원 | 음성의 상호부호화시 전송률 결정 장치 및 방법 |
| US7536298B2 (en) | 2004-03-15 | 2009-05-19 | Intel Corporation | Method of comfort noise generation for speech communication |
| KR100795727B1 (ko) * | 2005-12-08 | 2008-01-21 | 한국전자통신연구원 | Ｃｅｌｐ기반의 음성 코더에서 고정 코드북 검색 장치 및방법 |
| RU2462769C2 (ru) * | 2006-10-24 | 2012-09-27 | Войсэйдж Корпорейшн | Способ и устройство кодирования кадров перехода в речевых сигналах |
| EP2099025A4 (en) * | 2006-12-14 | 2010-12-22 | Panasonic Corp | AUDIO CODING DEVICE AND AUDIO CODING METHOD |
| PL3058569T3 (pl) * | 2013-10-18 | 2021-06-14 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Koncepcja kodowania sygnału audio i dekodowania sygnału audio z wykorzystaniem informacji deterministycznych i podobnych do szumu |
| JP6366706B2 (ja) * | 2013-10-18 | 2018-08-01 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | スピーチ関連のスペクトル整形情報を使用したオーディオ信号符号化と復号化の概念 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4910781A (en) * | 1987-06-26 | 1990-03-20 | At&T Bell Laboratories | Code excited linear predictive vocoder using virtual searching |
| US5060269A (en) * | 1989-05-18 | 1991-10-22 | General Electric Company | Hybrid switched multi-pulse/stochastic speech coding technique |
| JP2626223B2 (ja) * | 1990-09-26 | 1997-07-02 | 日本電気株式会社 | 音声符号化装置 |
| US5138661A (en) * | 1990-11-13 | 1992-08-11 | General Electric Company | Linear predictive codeword excited speech synthesizer |
| US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
| US5327520A (en) * | 1992-06-04 | 1994-07-05 | At&T Bell Laboratories | Method of use of voice message coder/decoder |
-
1993
- 1993-10-18 CA CA002108623A patent/CA2108623A1/en not_active Abandoned
- 1993-10-19 FI FI934615A patent/FI934615A/fi unknown
- 1993-10-25 AU AU50336/93A patent/AU654094B2/en not_active Ceased
- 1993-10-29 EP EP93850206A patent/EP0596847A3/en not_active Withdrawn
- 1993-11-01 KR KR1019930022970A patent/KR960013961B1/ko active IP Right Grant
- 1993-11-01 NO NO933940A patent/NO933940L/no unknown
- 1993-11-02 JP JP5274406A patent/JPH06214599A/ja active Pending
- 1993-11-02 TW TW082109136A patent/TW242724B/zh active
-
1995
- 1995-05-03 US US08/434,096 patent/US5528727A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0596847A2 (en) | 1994-05-11 |
| US5528727A (en) | 1996-06-18 |
| AU5033693A (en) | 1994-05-12 |
| NO933940L (no) | 1994-05-03 |
| AU654094B2 (en) | 1994-10-20 |
| EP0596847A3 (en) | 1995-06-14 |
| FI934615A0 (fi) | 1993-10-19 |
| FI934615A (fi) | 1994-05-03 |
| CA2108623A1 (en) | 1994-05-03 |
| KR940012931A (ko) | 1994-06-24 |
| JPH06214599A (ja) | 1994-08-05 |
| NO933940D0 (no) | 1993-11-01 |
| KR960013961B1 (ko) | 1996-10-10 |