BRPI0812948A2 - Encodificação de sinal utilizando codificação de regularização com pitch e regularização sem pitch - Google Patents
Encodificação de sinal utilizando codificação de regularização com pitch e regularização sem pitchInfo
- Publication number
- BRPI0812948A2 BRPI0812948A2 BRPI0812948-7A2A BRPI0812948A BRPI0812948A2 BR PI0812948 A2 BRPI0812948 A2 BR PI0812948A2 BR PI0812948 A BRPI0812948 A BR PI0812948A BR PI0812948 A2 BRPI0812948 A2 BR PI0812948A2
- Authority
- BR
- Brazil
- Prior art keywords
- regularization
- pitch
- signal encoding
- encoding
- signal
- Prior art date
Links
Classifications
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- 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
- G10L19/18—Vocoders using multiple modes
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
-
- 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
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94355807P | 2007-06-13 | 2007-06-13 | |
| US12/137,700 US9653088B2 (en) | 2007-06-13 | 2008-06-12 | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
| PCT/US2008/066840 WO2008157296A1 (en) | 2007-06-13 | 2008-06-13 | Signal encoding using pitch-regularizing and non-pitch-regularizing coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0812948A2 true BRPI0812948A2 (pt) | 2014-12-09 |
Family
ID=40133142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0812948-7A2A BRPI0812948A2 (pt) | 2007-06-13 | 2008-06-13 | Encodificação de sinal utilizando codificação de regularização com pitch e regularização sem pitch |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9653088B2 (pt) |
| EP (1) | EP2176860B1 (pt) |
| JP (2) | JP5405456B2 (pt) |
| KR (1) | KR101092167B1 (pt) |
| CN (1) | CN101681627B (pt) |
| BR (1) | BRPI0812948A2 (pt) |
| CA (1) | CA2687685A1 (pt) |
| RU (2) | RU2010100875A (pt) |
| TW (1) | TWI405186B (pt) |
| WO (1) | WO2008157296A1 (pt) |
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-
2008
- 2008-06-12 US US12/137,700 patent/US9653088B2/en not_active Expired - Fee Related
- 2008-06-13 EP EP08770949.9A patent/EP2176860B1/en not_active Not-in-force
- 2008-06-13 BR BRPI0812948-7A2A patent/BRPI0812948A2/pt not_active IP Right Cessation
- 2008-06-13 CA CA002687685A patent/CA2687685A1/en not_active Abandoned
- 2008-06-13 CN CN2008800195483A patent/CN101681627B/zh not_active Expired - Fee Related
- 2008-06-13 RU RU2010100875/09A patent/RU2010100875A/ru not_active Application Discontinuation
- 2008-06-13 TW TW097122276A patent/TWI405186B/zh not_active IP Right Cessation
- 2008-06-13 KR KR1020107000788A patent/KR101092167B1/ko not_active Expired - Fee Related
- 2008-06-13 JP JP2010512371A patent/JP5405456B2/ja not_active Expired - Fee Related
- 2008-06-13 WO PCT/US2008/066840 patent/WO2008157296A1/en not_active Ceased
-
2011
- 2011-08-15 RU RU2011134203/08A patent/RU2470384C1/ru active
-
2013
- 2013-07-05 JP JP2013141575A patent/JP5571235B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR101092167B1 (ko) | 2011-12-13 |
| CN101681627A (zh) | 2010-03-24 |
| JP2013242579A (ja) | 2013-12-05 |
| JP5405456B2 (ja) | 2014-02-05 |
| TW200912897A (en) | 2009-03-16 |
| CN101681627B (zh) | 2013-01-02 |
| WO2008157296A1 (en) | 2008-12-24 |
| TWI405186B (zh) | 2013-08-11 |
| CA2687685A1 (en) | 2008-12-24 |
| EP2176860B1 (en) | 2014-12-03 |
| KR20100031742A (ko) | 2010-03-24 |
| RU2010100875A (ru) | 2011-07-20 |
| JP5571235B2 (ja) | 2014-08-13 |
| US20080312914A1 (en) | 2008-12-18 |
| JP2010530084A (ja) | 2010-09-02 |
| RU2470384C1 (ru) | 2012-12-20 |
| EP2176860A1 (en) | 2010-04-21 |
| US9653088B2 (en) | 2017-05-16 |
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