BRPI0906247A8 - equipamento e método para converter um sinal de áudio em uma representação parametrizada, equipamento e método para modificar uma representação parametrizada, equipamento e método para sintetizar uma representação parametrizada de um sinal de áudio. - Google Patents
equipamento e método para converter um sinal de áudio em uma representação parametrizada, equipamento e método para modificar uma representação parametrizada, equipamento e método para sintetizar uma representação parametrizada de um sinal de áudio.Info
- Publication number
- BRPI0906247A8 BRPI0906247A8 BRPI0906247A BRPI0906247A BRPI0906247A8 BR PI0906247 A8 BRPI0906247 A8 BR PI0906247A8 BR PI0906247 A BRPI0906247 A BR PI0906247A BR PI0906247 A BRPI0906247 A BR PI0906247A BR PI0906247 A8 BRPI0906247 A8 BR PI0906247A8
- Authority
- BR
- Brazil
- Prior art keywords
- equipment
- parameterized representation
- audio signal
- synthesizing
- modifying
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 2
- 230000002194 synthesizing effect 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
- 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
- G10L19/0204—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 using subband decomposition
-
- 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
- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Amplitude Modulation (AREA)
- Transmitters (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08151236 | 2008-02-08 | ||
| US3830008P | 2008-03-20 | 2008-03-20 | |
| US61/038,300 | 2008-03-20 | ||
| EP08015123.6 | 2008-08-27 | ||
| PCT/EP2009/001707 WO2009115211A2 (en) | 2008-03-20 | 2009-03-10 | Apparatus and method for converting an audio signal into a parameterized representation, apparatus and method for modifying a parameterized representation, apparatus and method for synthensizing a parameterized representation of an audio signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0906247A8 true BRPI0906247A8 (pt) | 2018-10-16 |
| BRPI0906247B1 BRPI0906247B1 (pt) | 2023-07-04 |
Family
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B15K | Others concerning applications: alteration of classification |
Ipc: G10L 19/00 (2013.01) |
|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B06I | Publication of requirement cancelled [chapter 6.9 patent gazette] |
Free format text: ANULADA A PUBLICACAO CODIGO 6.1 NA RPI NO 2595 DE 29/09/2020 POR TER SIDO INDEVIDA. |
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| B07B | Technical examination (opinion): publication cancelled [chapter 7.2 patent gazette] |
Free format text: ANULADA A PUBLICACAO CODIGO 7.1 NA RPI NO 2582 DE 30/06/2020 POR TER SIDO INDEVIDA. |
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| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B11D | Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time | ||
| B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
| B15V | Prolongation of time limit allowed |
Free format text: REFERENTE A PETICAO NO 870210064691 DE 16.07.2021 - RECONHECIDA A JUSTA CAUSA, DE ACORDO COM O ARTIGO 221 DA LPI 9279/96 E O ARTIGO 2O DA PORTARIA/INPI/PR NO 049 DE 03.12.2021, SEM CONCESSAO DE PRAZO ADICIONAL UMA VEZ QUE O ATO ADMINISTRATIVO JA FOI CUMPRIDO. |
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