BR9702073A - Sistema de transmissão transmissor para transmitir um sinal de entrada codificador e processos de transmissão de um sinal de entrada de decodificação e de codificação - Google Patents
Sistema de transmissão transmissor para transmitir um sinal de entrada codificador e processos de transmissão de um sinal de entrada de decodificação e de codificaçãoInfo
- Publication number
- BR9702073A BR9702073A BR9702073A BR9702073A BR9702073A BR 9702073 A BR9702073 A BR 9702073A BR 9702073 A BR9702073 A BR 9702073A BR 9702073 A BR9702073 A BR 9702073A BR 9702073 A BR9702073 A BR 9702073A
- Authority
- BR
- Brazil
- Prior art keywords
- transmitting
- input signal
- encoding input
- decoding
- processes
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 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
- 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
- G10L19/12—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
- G10L2019/0013—Codebook search algorithms
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96200369 | 1996-02-15 | ||
| PCT/IB1997/000067 WO1997030438A1 (en) | 1996-02-15 | 1997-01-31 | Celp speech coder with reduced complexity synthesis filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9702073A true BR9702073A (pt) | 1998-05-26 |
Family
ID=8223671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9702073A BR9702073A (pt) | 1996-02-15 | 1997-01-31 | Sistema de transmissão transmissor para transmitir um sinal de entrada codificador e processos de transmissão de um sinal de entrada de decodificação e de codificação |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6014619A (pt) |
| EP (1) | EP0843875A1 (pt) |
| JP (1) | JPH11504731A (pt) |
| KR (1) | KR19990007817A (pt) |
| CN (1) | CN1132156C (pt) |
| BR (1) | BR9702073A (pt) |
| TW (1) | TW307960B (pt) |
| WO (1) | WO1997030438A1 (pt) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3708597A (en) * | 1996-08-02 | 1998-02-25 | Matsushita Electric Industrial Co., Ltd. | Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus |
| TW439368B (en) * | 1998-05-14 | 2001-06-07 | Koninkl Philips Electronics Nv | Transmission system using an improved signal encoder and decoder |
| US6732070B1 (en) * | 2000-02-16 | 2004-05-04 | Nokia Mobile Phones, Ltd. | Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching |
| US6789059B2 (en) * | 2001-06-06 | 2004-09-07 | Qualcomm Incorporated | Reducing memory requirements of a codebook vector search |
| US8605911B2 (en) | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| ES2237706T3 (es) | 2001-11-29 | 2005-08-01 | Coding Technologies Ab | Reconstruccion de componentes de alta frecuencia. |
| SE0202770D0 (sv) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
| JP5129115B2 (ja) | 2005-04-01 | 2013-01-23 | クゥアルコム・インコーポレイテッド | 高帯域バーストの抑制のためのシステム、方法、および装置 |
| TWI324336B (en) | 2005-04-22 | 2010-05-01 | Qualcomm Inc | Method of signal processing and apparatus for gain factor smoothing |
| US8417185B2 (en) * | 2005-12-16 | 2013-04-09 | Vocollect, Inc. | Wireless headset and method for robust voice data communication |
| US7773767B2 (en) | 2006-02-06 | 2010-08-10 | Vocollect, Inc. | Headset terminal with rear stability strap |
| US7885419B2 (en) * | 2006-02-06 | 2011-02-08 | Vocollect, Inc. | Headset terminal with speech functionality |
| USD605629S1 (en) | 2008-09-29 | 2009-12-08 | Vocollect, Inc. | Headset |
| US8160287B2 (en) | 2009-05-22 | 2012-04-17 | Vocollect, Inc. | Headset with adjustable headband |
| US8438659B2 (en) | 2009-11-05 | 2013-05-07 | Vocollect, Inc. | Portable computing device and headset interface |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5384891A (en) * | 1988-09-28 | 1995-01-24 | Hitachi, Ltd. | Vector quantizing apparatus and speech analysis-synthesis system using the apparatus |
| US5671327A (en) * | 1991-10-21 | 1997-09-23 | Kabushiki Kaisha Toshiba | Speech encoding apparatus utilizing stored code data |
| US5327520A (en) * | 1992-06-04 | 1994-07-05 | At&T Bell Laboratories | Method of use of voice message coder/decoder |
| GB2282943B (en) * | 1993-03-26 | 1998-06-03 | Motorola Inc | Vector quantizer method and apparatus |
| US5717823A (en) * | 1994-04-14 | 1998-02-10 | Lucent Technologies Inc. | Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders |
| US5602961A (en) * | 1994-05-31 | 1997-02-11 | Alaris, Inc. | Method and apparatus for speech compression using multi-mode code excited linear predictive coding |
| JP3183074B2 (ja) * | 1994-06-14 | 2001-07-03 | 松下電器産業株式会社 | 音声符号化装置 |
| US5732389A (en) * | 1995-06-07 | 1998-03-24 | Lucent Technologies Inc. | Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures |
-
1996
- 1996-02-23 TW TW085102123A patent/TW307960B/zh active
-
1997
- 1997-01-31 JP JP9529139A patent/JPH11504731A/ja active Pending
- 1997-01-31 CN CN97190315A patent/CN1132156C/zh not_active Expired - Fee Related
- 1997-01-31 KR KR1019970707340A patent/KR19990007817A/ko active Search and Examination
- 1997-01-31 WO PCT/IB1997/000067 patent/WO1997030438A1/en not_active Application Discontinuation
- 1997-01-31 EP EP97900708A patent/EP0843875A1/en not_active Withdrawn
- 1997-01-31 BR BR9702073A patent/BR9702073A/pt not_active Application Discontinuation
- 1997-02-11 US US08/798,889 patent/US6014619A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6014619A (en) | 2000-01-11 |
| WO1997030438A1 (en) | 1997-08-21 |
| CN1132156C (zh) | 2003-12-24 |
| JPH11504731A (ja) | 1999-04-27 |
| EP0843875A1 (en) | 1998-05-27 |
| CN1188557A (zh) | 1998-07-22 |
| TW307960B (en) | 1997-06-11 |
| KR19990007817A (ko) | 1999-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TC | Change of name | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements | ||
| B15K | Others concerning applications: alteration of classification |
Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA G10L 9/14. Ipc: G10L 19/12 (2013.01) Ipc: G10L 19/12 (2013.01) |