BR112015009352A8 - dispositivo de codificação de fala/áudio, dispositivo de decodificação de fala/áudio, método de codificação de fala/áudio e método de decodificação de fala/áudio - Google Patents
dispositivo de codificação de fala/áudio, dispositivo de decodificação de fala/áudio, método de codificação de fala/áudio e método de decodificação de fala/áudio Download PDFInfo
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- BR112015009352A8 BR112015009352A8 BR112015009352A BR112015009352A BR112015009352A8 BR 112015009352 A8 BR112015009352 A8 BR 112015009352A8 BR 112015009352 A BR112015009352 A BR 112015009352A BR 112015009352 A BR112015009352 A BR 112015009352A BR 112015009352 A8 BR112015009352 A8 BR 112015009352A8
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- speech
- audio
- band
- coding
- audio decoding
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- 238000000034 method Methods 0.000 title abstract 4
- 238000001228 spectrum Methods 0.000 abstract 4
- 230000006835 compression Effects 0.000 abstract 3
- 238000007906 compression Methods 0.000 abstract 3
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
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
- G10L19/02—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
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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
- G10L19/02—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
- G10L19/0212—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 orthogonal transformation
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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
- G10L19/02—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
- G10L19/032—Quantisation or dequantisation of spectral components
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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
- G10L19/002—Dynamic bit allocation
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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
- G10L19/02—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
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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
- G10L19/02—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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
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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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
- G10L21/0388—Details of processing therefor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
resumo patente de invenção: "dispositivo de codificação de fala/áudio, dispositivo de decodificação de fala/áudio, método de codificação de fala/áudio e método de decodificação de fala/áudio". com a presente invenção, o número de bits de codificação alocados para a codificação de espectro de banda estendida é reduzido, enquanto que a degradação da qualidade de som na banda estendida é suprimida. uma unidade de compressão de banda (105) cria combinações de espectros de sub-banda em pares de duas amostras cada, em ordem, a partir de um lado de faixa baixa em uma sub-banda de alvo de compressão de banda, seleciona um espectro que tem uma amplitude de valor absoluto grande entre as combinações, e dispõe o espectro selecionado próximo ao lado de faixa baixa em um eixo geométrico de frequência. uma unidade de recálculo de número de unidades (106) redistribui bits salvos na sub-banda para a qual a compressão de banda foi realizada a uma faixa baixa fora da banda estendida, e redistribui o número de unidades com base nos bits redistribuídos.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-243707 | 2012-11-05 | ||
| JP2012243707 | 2012-11-05 | ||
| JP2013115917 | 2013-05-31 | ||
| JP2013-115917 | 2013-05-31 | ||
| PCT/JP2013/006496 WO2014068995A1 (ja) | 2012-11-05 | 2013-11-01 | 音声音響符号化装置、音声音響復号装置、音声音響符号化方法及び音声音響復号方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| BR112015009352A2 BR112015009352A2 (pt) | 2017-07-04 |
| BR112015009352A8 true BR112015009352A8 (pt) | 2019-09-17 |
| BR112015009352B1 BR112015009352B1 (pt) | 2021-10-26 |
Family
ID=50626940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015009352-3A BR112015009352B1 (pt) | 2012-11-05 | 2013-11-01 | Dispositivo de codificação de fala/áudio, dispositivo de decodificação de fala/áudio, método de codificação de fala/áudio e método de decodificação de fala/áudio |
Country Status (13)
| Country | Link |
|---|---|
| US (4) | US9679576B2 (pt) |
| EP (3) | EP4220636A1 (pt) |
| JP (3) | JP6234372B2 (pt) |
| KR (2) | KR102215991B1 (pt) |
| CN (2) | CN107633847B (pt) |
| BR (1) | BR112015009352B1 (pt) |
| CA (1) | CA2889942C (pt) |
| ES (2) | ES2969117T3 (pt) |
| MX (1) | MX355630B (pt) |
| MY (2) | MY171754A (pt) |
| PL (2) | PL3584791T3 (pt) |
| RU (3) | RU2648629C2 (pt) |
| WO (1) | WO2014068995A1 (pt) |
Families Citing this family (8)
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| EP4325488A3 (en) * | 2014-02-28 | 2024-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoding device, encoding device, decoding method, encoding method, terminal device, and base station device |
| AU2015291897B2 (en) | 2014-07-25 | 2019-02-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Acoustic signal encoding device, acoustic signal decoding device, method for encoding acoustic signal, and method for decoding acoustic signal |
| CN107294579A (zh) | 2016-03-30 | 2017-10-24 | 索尼公司 | 无线通信系统中的装置和方法以及无线通信系统 |
| JP6348562B2 (ja) * | 2016-12-16 | 2018-06-27 | マクセル株式会社 | 復号化装置および復号化方法 |
| US10825467B2 (en) * | 2017-04-21 | 2020-11-03 | Qualcomm Incorporated | Non-harmonic speech detection and bandwidth extension in a multi-source environment |
| US11682406B2 (en) * | 2021-01-28 | 2023-06-20 | Sony Interactive Entertainment LLC | Level-of-detail audio codec |
| CN115512711A (zh) * | 2021-06-22 | 2022-12-23 | 腾讯科技（深圳）有限公司 | 语音编码、语音解码方法、装置、计算机设备和存储介质 |
| CN117095685B (zh) * | 2023-10-19 | 2023-12-19 | 深圳市新移科技有限公司 | 一种联发科平台终端设备及其控制方法 |
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| DE19730130C2 (de) * | 1997-07-14 | 2002-02-28 | Fraunhofer Ges Forschung | Verfahren zum Codieren eines Audiosignals |
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| JP4287545B2 (ja) * | 1999-07-26 | 2009-07-01 | パナソニック株式会社 | サブバンド符号化方式 |
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| JP2002374171A (ja) * | 2001-06-15 | 2002-12-26 | Sony Corp | 符号化装置および方法、復号装置および方法、記録媒体、並びにプログラム |
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2013
- 2013-11-01 PL PL19190764.1T patent/PL3584791T3/pl unknown
- 2013-11-01 WO PCT/JP2013/006496 patent/WO2014068995A1/ja active Application Filing
- 2013-11-01 EP EP23163921.2A patent/EP4220636A1/en active Pending
- 2013-11-01 ES ES19190764T patent/ES2969117T3/es active Active
- 2013-11-01 MX MX2015004981A patent/MX355630B/es active IP Right Grant
- 2013-11-01 CA CA2889942A patent/CA2889942C/en active Active
- 2013-11-01 US US14/439,090 patent/US9679576B2/en active Active
- 2013-11-01 ES ES13850858T patent/ES2753228T3/es active Active
- 2013-11-01 MY MYPI2015701381A patent/MY171754A/en unknown
- 2013-11-01 EP EP19190764.1A patent/EP3584791B1/en active Active
- 2013-11-01 PL PL13850858T patent/PL2916318T3/pl unknown
- 2013-11-01 EP EP13850858.5A patent/EP2916318B1/en active Active
- 2013-11-01 BR BR112015009352-3A patent/BR112015009352B1/pt active IP Right Grant
- 2013-11-01 MY MYPI2018001934A patent/MY189358A/en unknown
- 2013-11-01 JP JP2014544326A patent/JP6234372B2/ja active Active
- 2013-11-01 KR KR1020207027193A patent/KR102215991B1/ko active IP Right Grant
- 2013-11-01 KR KR1020157011505A patent/KR102161162B1/ko active IP Right Grant
- 2013-11-01 CN CN201710940788.8A patent/CN107633847B/zh active Active
- 2013-11-01 RU RU2015116610A patent/RU2648629C2/ru active
- 2013-11-01 RU RU2018108805A patent/RU2678657C1/ru active
- 2013-11-01 CN CN201380050272.6A patent/CN104737227B/zh active Active
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2017
- 2017-05-09 US US15/590,360 patent/US9892740B2/en active Active
- 2017-10-23 JP JP2017204661A patent/JP6435392B2/ja active Active
- 2017-12-20 US US15/848,841 patent/US10210877B2/en active Active
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