IL141911A0 - Method for quantizing speech coder parameters - Google Patents
Method for quantizing speech coder parametersInfo
- Publication number
- IL141911A0 IL141911A0 IL14191199A IL14191199A IL141911A0 IL 141911 A0 IL141911 A0 IL 141911A0 IL 14191199 A IL14191199 A IL 14191199A IL 14191199 A IL14191199 A IL 14191199A IL 141911 A0 IL141911 A0 IL 141911A0
- Authority
- IL
- Israel
- Prior art keywords
- values
- super
- encoded
- frame
- vector quantization
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 238000013139 quantization Methods 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 abstract 1
- 238000013213 extrapolation Methods 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 230000007704 transition Effects 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
- G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
-
- 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
- G10L19/16—Vocoder architecture
-
- 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
-
- 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)
- 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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Executing Machine-Instructions (AREA)
- Machine Translation (AREA)
- Devices For Executing Special Programs (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9812500A FR2784218B1 (fr) | 1998-10-06 | 1998-10-06 | Procede de codage de la parole a bas debit |
| PCT/FR1999/002348 WO2000021077A1 (fr) | 1998-10-06 | 1999-10-01 | Procede de quantification des parametres d'un codeur de parole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL141911A0 true IL141911A0 (en) | 2002-03-10 |
Family
ID=9531246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL14191199A IL141911A0 (en) | 1998-10-06 | 1999-10-01 | Method for quantizing speech coder parameters |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6687667B1 (xx) |
| EP (1) | EP1125283B1 (xx) |
| JP (1) | JP4558205B2 (xx) |
| KR (1) | KR20010075491A (xx) |
| AT (1) | ATE222016T1 (xx) |
| AU (1) | AU768744B2 (xx) |
| CA (1) | CA2345373A1 (xx) |
| DE (1) | DE69902480T2 (xx) |
| FR (1) | FR2784218B1 (xx) |
| IL (1) | IL141911A0 (xx) |
| MX (1) | MXPA01003150A (xx) |
| TW (1) | TW463143B (xx) |
| WO (1) | WO2000021077A1 (xx) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7315815B1 (en) * | 1999-09-22 | 2008-01-01 | Microsoft Corporation | LPC-harmonic vocoder with superframe structure |
| FR2815457B1 (fr) * | 2000-10-18 | 2003-02-14 | Thomson Csf | Procede de codage de la prosodie pour un codeur de parole a tres bas debit |
| KR100355033B1 (ko) * | 2000-12-30 | 2002-10-19 | 주식회사 실트로닉 테크놀로지 | 선형예측 분석을 이용한 워터마크 삽입/추출 장치 및 그방법 |
| CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| US7668712B2 (en) | 2004-03-31 | 2010-02-23 | Microsoft Corporation | Audio encoding and decoding with intra frames and adaptive forward error correction |
| US8219391B2 (en) * | 2005-02-15 | 2012-07-10 | Raytheon Bbn Technologies Corp. | Speech analyzing system with speech codebook |
| US7831421B2 (en) | 2005-05-31 | 2010-11-09 | Microsoft Corporation | Robust decoder |
| US7177804B2 (en) | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
| US7707034B2 (en) | 2005-05-31 | 2010-04-27 | Microsoft Corporation | Audio codec post-filter |
| CN101009096B (zh) * | 2006-12-15 | 2011-01-26 | 清华大学 | 子带清浊音模糊判决的方法 |
| EP2122610B1 (en) * | 2007-01-31 | 2018-12-26 | Telecom Italia S.p.A. | Customizable method and system for emotional recognition |
| KR101317269B1 (ko) | 2007-06-07 | 2013-10-14 | 삼성전자주식회사 | 정현파 오디오 코딩 방법 및 장치, 그리고 정현파 오디오디코딩 방법 및 장치 |
| ES2650492T3 (es) * | 2008-07-10 | 2018-01-18 | Voiceage Corporation | Dispositivo y método de cuantificación de filtro LPC de múltiples referencias |
| US9947340B2 (en) * | 2008-12-10 | 2018-04-17 | Skype | Regeneration of wideband speech |
| GB2466201B (en) * | 2008-12-10 | 2012-07-11 | Skype Ltd | Regeneration of wideband speech |
| GB0822537D0 (en) | 2008-12-10 | 2009-01-14 | Skype Ltd | Regeneration of wideband speech |
| US9465836B2 (en) * | 2010-12-23 | 2016-10-11 | Sap Se | Enhanced business object retrieval |
| CA2916150C (en) * | 2013-06-21 | 2019-06-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method realizing improved concepts for tcx ltp |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5255339A (en) * | 1991-07-19 | 1993-10-19 | Motorola, Inc. | Low bit rate vocoder means and method |
| US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
| WO1998001848A1 (en) * | 1996-07-05 | 1998-01-15 | The Victoria University Of Manchester | Speech synthesis system |
| US6131084A (en) * | 1997-03-14 | 2000-10-10 | Digital Voice Systems, Inc. | Dual subframe quantization of spectral magnitudes |
| FR2774827B1 (fr) * | 1998-02-06 | 2000-04-14 | France Telecom | Procede de decodage d'un flux binaire representatif d'un signal audio |
| US6094629A (en) * | 1998-07-13 | 2000-07-25 | Lockheed Martin Corp. | Speech coding system and method including spectral quantizer |
| FR2786908B1 (fr) * | 1998-12-04 | 2001-06-08 | Thomson Csf | Procede et dispositif pour le traitement des sons pour correction auditive des malentendants |
-
1998
- 1998-10-06 FR FR9812500A patent/FR2784218B1/fr not_active Expired - Fee Related
-
1999
- 1999-10-01 JP JP2000575121A patent/JP4558205B2/ja not_active Expired - Fee Related
- 1999-10-01 AU AU58702/99A patent/AU768744B2/en not_active Ceased
- 1999-10-01 EP EP99946281A patent/EP1125283B1/fr not_active Expired - Lifetime
- 1999-10-01 KR KR1020017004080A patent/KR20010075491A/ko not_active Application Discontinuation
- 1999-10-01 WO PCT/FR1999/002348 patent/WO2000021077A1/fr not_active Application Discontinuation
- 1999-10-01 IL IL14191199A patent/IL141911A0/xx unknown
- 1999-10-01 US US09/806,993 patent/US6687667B1/en not_active Expired - Lifetime
- 1999-10-01 AT AT99946281T patent/ATE222016T1/de not_active IP Right Cessation
- 1999-10-01 DE DE69902480T patent/DE69902480T2/de not_active Expired - Lifetime
- 1999-10-01 MX MXPA01003150A patent/MXPA01003150A/es not_active IP Right Cessation
- 1999-10-01 CA CA002345373A patent/CA2345373A1/fr not_active Abandoned
-
2000
- 2000-03-30 TW TW089105887A patent/TW463143B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU768744B2 (en) | 2004-01-08 |
| DE69902480D1 (de) | 2002-09-12 |
| CA2345373A1 (fr) | 2000-04-13 |
| MXPA01003150A (es) | 2002-07-02 |
| JP4558205B2 (ja) | 2010-10-06 |
| ATE222016T1 (de) | 2002-08-15 |
| AU5870299A (en) | 2000-04-26 |
| FR2784218A1 (fr) | 2000-04-07 |
| KR20010075491A (ko) | 2001-08-09 |
| EP1125283B1 (fr) | 2002-08-07 |
| WO2000021077A1 (fr) | 2000-04-13 |
| DE69902480T2 (de) | 2003-05-22 |
| FR2784218B1 (fr) | 2000-12-08 |
| EP1125283A1 (fr) | 2001-08-22 |
| TW463143B (en) | 2001-11-11 |
| JP2002527778A (ja) | 2002-08-27 |
| US6687667B1 (en) | 2004-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IL141911A0 (en) | Method for quantizing speech coder parameters | |
| EP1202251B1 (en) | Transcoder for prevention of tandem coding of speech | |
| EP1222659B1 (en) | Lpc-harmonic vocoder with superframe structure | |
| EP1288913B1 (en) | Speech transcoding method and apparatus | |
| US5689615A (en) | Usage of voice activity detection for efficient coding of speech | |
| US20020007280A1 (en) | Wideband speech coding system and method | |
| US7136810B2 (en) | Wideband speech coding system and method | |
| EP1103955A3 (en) | Multiband harmonic transform coder | |
| CA2301663A1 (en) | A method and a device for coding audio signals and a method and a device for decoding a bit stream | |
| GB2323759A (en) | Audio coding and decoding with compression | |
| CA2254567A1 (en) | Joint quantization of speech parameters | |
| JPS60116000A (ja) | 音声符号化装置 | |
| JPH02155313A (ja) | 符号化方法 | |
| JP2002527778A5 (xx) | ||
| CA2006487C (en) | Communication system capable of improving a speech quality by effectively calculating excitation multipulses | |
| CA2267219A1 (en) | Differential coding for scalable audio coders | |
| US7684978B2 (en) | Apparatus and method for transcoding between CELP type codecs having different bandwidths | |
| EP1158495B1 (en) | Wideband speech coding system and method | |
| CA2239294A1 (en) | Methods and apparatus for efficient quantization of gain parameters in glpas speech coders | |
| US5717819A (en) | Methods and apparatus for encoding/decoding speech signals at low bit rates | |
| Viswanathan et al. | Speech-quality optimization of 16 kb/s adaptive predictive coders | |
| EP1431962B1 (en) | Wideband speech coding system and method | |
| US20100145712A1 (en) | Coding of digital audio signals | |
| Choi et al. | Effects of packet loss on 3 toll quality speech coders | |
| US7295974B1 (en) | Encoding in speech compression |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HC | Change of name of proprietor(s) |
Owner name: THALES Free format text: FORMER NAME:THOMSON-CSF |