BR112013005676A2 - transposição harmônica baseada em bloco de subfaixa melhorada por produto vetorial - Google Patents
transposição harmônica baseada em bloco de subfaixa melhorada por produto vetorialInfo
- Publication number
- BR112013005676A2 BR112013005676A2 BR112013005676A BR112013005676A BR112013005676A2 BR 112013005676 A2 BR112013005676 A2 BR 112013005676A2 BR 112013005676 A BR112013005676 A BR 112013005676A BR 112013005676 A BR112013005676 A BR 112013005676A BR 112013005676 A2 BR112013005676 A2 BR 112013005676A2
- Authority
- BR
- Brazil
- Prior art keywords
- sym
- enhanced
- block
- harmonic transposition
- vector product
- Prior art date
Links
- 230000017105 transposition Effects 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000003786 synthesis 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
- 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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
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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
- G10L19/0208—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
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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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
- G10L21/04—Time compression or expansion
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3089—Control of digital or coded signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Golf Clubs (AREA)
- Vibration Dampers (AREA)
- Complex Calculations (AREA)
- Selective Calling Equipment (AREA)
Abstract
transposição harmônica baseada em bloco de subfaixa melhorada por produto vetorial. a presente invenção refere-se a uma implementação eficiente de reconstrução de alta frequência (hfr) melhorada por produto vetorial, em que um novo componente na frequência <sym> + <sym> é gerado na base dos componentes existentes em <sym> e <sym> + <sym>. a invenção fornece uma transposição harmônica baseada em bloco, em que um bloco de tempo amostras de subfaixa complexas é processado com uma modificação da fase comum. a superposição de várias amostras modificadas tem o efeito líquido de limitar produtos indesejáveis de intermodulação, deste modo possibilitando uma resolução de frequência mais grossa e/ou um grau inferior de sobreamostragem a ser utilizada. em uma concretização, a invenção inclui, além disso, uma função de janela adequada para uso com hfr melhorada por produto vetorial a base de blocos. uma concretização de hardware da invenção pode incluir um banco de filtros de análise (101), uma unidade de processamento de subfaixa 102 configurável por dados de controle (104) e um banco de filtros de síntese (103).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR122019025121-5A BR122019025121B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou um sinal de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
| BR122019025115-0A BR122019025115B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
| BR122019025142-8A BR122019025142B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou um sinal de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38344110P | 2010-09-16 | 2010-09-16 | |
| US61/383,441 | 2010-09-16 | ||
| US41916410P | 2010-12-02 | 2010-12-02 | |
| US61/419,164 | 2010-12-02 | ||
| PCT/EP2011/065318 WO2012034890A1 (en) | 2010-09-16 | 2011-09-05 | Cross product enhanced subband block based harmonic transposition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112013005676A2 true BR112013005676A2 (pt) | 2016-05-03 |
| BR112013005676B1 BR112013005676B1 (pt) | 2021-02-09 |
Family
ID=44720852
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112013005676-2A BR112013005676B1 (pt) | 2010-09-16 | 2011-09-05 | sistema e método para gerar um sinal de tempo alongado e/ou um sinal de frequência transposta a partir de um sinal de entrada e suporte de dados e meio de armazenamento legível por computador não transitório |
| BR122019025115-0A BR122019025115B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
| BR122019025121-5A BR122019025121B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou um sinal de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
| BR122019025142-8A BR122019025142B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou um sinal de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR122019025115-0A BR122019025115B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
| BR122019025121-5A BR122019025121B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou um sinal de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
| BR122019025142-8A BR122019025142B1 (pt) | 2010-09-16 | 2011-09-05 | Sistema e método para gerar um sinal de tempo alongado e/ou um sinal de frequência transposta a partir de um sinal de entrada e meio de armazenamento legível por computador não transitório |
Country Status (18)
| Country | Link |
|---|---|
| US (9) | US9172342B2 (pt) |
| EP (6) | EP4145445A1 (pt) |
| JP (9) | JP5951614B2 (pt) |
| KR (11) | KR101863035B1 (pt) |
| CN (2) | CN104851429B (pt) |
| AU (1) | AU2011304113C1 (pt) |
| BR (4) | BR112013005676B1 (pt) |
| CA (10) | CA2961088C (pt) |
| CL (1) | CL2013000717A1 (pt) |
| DK (3) | DK3975178T3 (pt) |
| ES (3) | ES2938725T3 (pt) |
| IL (11) | IL291501B2 (pt) |
| MX (1) | MX2013002876A (pt) |
| MY (2) | MY176574A (pt) |
| PL (3) | PL3975178T3 (pt) |
| RU (6) | RU2671619C2 (pt) |
| SG (3) | SG10202103492XA (pt) |
| WO (1) | WO2012034890A1 (pt) |
Families Citing this family (16)
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| US8958510B1 (en) * | 2010-06-10 | 2015-02-17 | Fredric J. Harris | Selectable bandwidth filter |
| EP2682941A1 (de) * | 2012-07-02 | 2014-01-08 | Technische Universität Ilmenau | Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne |
| TWI557727B (zh) | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| CN105706468B (zh) | 2013-09-17 | 2017-08-11 | 韦勒斯标准与技术协会公司 | 用于音频信号处理的方法和设备 |
| US10580417B2 (en) | 2013-10-22 | 2020-03-03 | Industry-Academic Cooperation Foundation, Yonsei University | Method and apparatus for binaural rendering audio signal using variable order filtering in frequency domain |
| US10163447B2 (en) * | 2013-12-16 | 2018-12-25 | Qualcomm Incorporated | High-band signal modeling |
| EP4246513A3 (en) | 2013-12-23 | 2023-12-13 | Wilus Institute of Standards and Technology Inc. | Audio signal processing method and parameterization device for same |
| WO2015142073A1 (ko) | 2014-03-19 | 2015-09-24 | 주식회사 윌러스표준기술연구소 | 오디오 신호 처리 방법 및 장치 |
| US9860668B2 (en) | 2014-04-02 | 2018-01-02 | Wilus Institute Of Standards And Technology Inc. | Audio signal processing method and device |
| US9306606B2 (en) * | 2014-06-10 | 2016-04-05 | The Boeing Company | Nonlinear filtering using polyphase filter banks |
| WO2016142002A1 (en) * | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| TWI771266B (zh) | 2015-03-13 | 2022-07-11 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
| EP3171362B1 (en) * | 2015-11-19 | 2019-08-28 | Harman Becker Automotive Systems GmbH | Bass enhancement and separation of an audio signal into a harmonic and transient signal component |
| CN110266287B (zh) * | 2019-05-05 | 2023-06-23 | 深圳信息职业技术学院 | 电子耳蜗分数延迟滤波器构造方法、存储介质及电子耳蜗 |
| US10938444B2 (en) * | 2019-07-12 | 2021-03-02 | Avago Technologies International Sales Pte. Limited | Apparatus and method for noise reduction in a full duplex repeater |
| US11344298B2 (en) | 2019-12-06 | 2022-05-31 | Covidien Lp | Surgical stapling device |
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| BR122019023704B1 (pt) * | 2009-01-16 | 2020-05-05 | Dolby Int Ab | sistema para gerar um componente de frequência alta de um sinal de áudio e método para realizar reconstrução de frequência alta de um componente de frequência alta |
| CA3076203C (en) * | 2009-01-28 | 2021-03-16 | Dolby International Ab | Improved harmonic transposition |
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2011
- 2011-09-05 CA CA2961088A patent/CA2961088C/en active Active
- 2011-09-05 KR KR1020177014269A patent/KR101863035B1/ko active IP Right Grant
- 2011-09-05 KR KR1020237026369A patent/KR20230119038A/ko active IP Right Grant
- 2011-09-05 SG SG10202103492XA patent/SG10202103492XA/en unknown
- 2011-09-05 RU RU2015105671A patent/RU2671619C2/ru active
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- 2011-09-05 KR KR1020187014134A patent/KR101924326B1/ko active IP Right Grant
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- 2011-09-05 CN CN201510245547.2A patent/CN104851429B/zh active Active
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- 2011-09-05 RU RU2013117038/08A patent/RU2551817C2/ru active
- 2011-09-05 BR BR112013005676-2A patent/BR112013005676B1/pt active IP Right Grant
- 2011-09-05 KR KR1020137009361A patent/KR101610626B1/ko active IP Right Grant
- 2011-09-05 WO PCT/EP2011/065318 patent/WO2012034890A1/en active Application Filing
- 2011-09-05 MX MX2013002876A patent/MX2013002876A/es active IP Right Grant
- 2011-09-05 EP EP22202639.5A patent/EP4145445A1/en active Pending
- 2011-09-05 BR BR122019025115-0A patent/BR122019025115B1/pt active IP Right Grant
- 2011-09-05 EP EP21204206.3A patent/EP3975178B1/en active Active
- 2011-09-05 KR KR1020227029790A patent/KR102564590B1/ko active IP Right Grant
- 2011-09-05 CA CA2808353A patent/CA2808353C/en active Active
- 2011-09-05 US US13/822,601 patent/US9172342B2/en active Active
- 2011-09-05 KR KR1020147026155A patent/KR101744621B1/ko active IP Right Grant
- 2011-09-05 MY MYPI2014003119A patent/MY176574A/en unknown
- 2011-09-05 IL IL298230A patent/IL298230B2/en unknown
- 2011-09-05 PL PL21204206.3T patent/PL3975178T3/pl unknown
- 2011-09-05 EP EP21204205.5A patent/EP3975177B1/en active Active
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- 2011-09-05 CA CA3220202A patent/CA3220202A1/en active Pending
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