SG10201506914PA - Cross product enhanced subband block based harmonic transposition - Google Patents
Cross product enhanced subband block based harmonic transpositionInfo
- Publication number
- SG10201506914PA SG10201506914PA SG10201506914PA SG10201506914PA SG10201506914PA SG 10201506914P A SG10201506914P A SG 10201506914PA SG 10201506914P A SG10201506914P A SG 10201506914PA SG 10201506914P A SG10201506914P A SG 10201506914PA SG 10201506914P A SG10201506914P A SG 10201506914PA
- Authority
- SG
- Singapore
- Prior art keywords
- block based
- cross product
- harmonic transposition
- subband block
- based harmonic
- Prior art date
Links
- 230000017105 transposition Effects 0.000 title 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
-
- 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
-
- 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
- G10L19/02—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
-
- 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
-
- 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
-
- 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
-
- 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)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38344110P | 2010-09-16 | 2010-09-16 | |
| US41916410P | 2010-12-02 | 2010-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG10201506914PA true SG10201506914PA (en) | 2015-10-29 |
Family
ID=44720852
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2013011804A SG188229A1 (en) | 2010-09-16 | 2011-09-05 | Cross product enhanced subband block based harmonic transposition |
| SG10202103492XA SG10202103492XA (en) | 2010-09-16 | 2011-09-05 | Cross product enhanced subband block based harmonic transposition |
| SG10201506914PA SG10201506914PA (en) | 2010-09-16 | 2011-09-05 | Cross product enhanced subband block based harmonic transposition |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2013011804A SG188229A1 (en) | 2010-09-16 | 2011-09-05 | Cross product enhanced subband block based harmonic transposition |
| SG10202103492XA SG10202103492XA (en) | 2010-09-16 | 2011-09-05 | Cross product enhanced subband block based harmonic transposition |
Country Status (18)
| Country | Link |
|---|---|
| US (10) | US9172342B2 (en) |
| EP (6) | EP3975178B1 (en) |
| JP (10) | JP5951614B2 (en) |
| KR (12) | KR102014696B1 (en) |
| CN (2) | CN104851429B (en) |
| AU (1) | AU2011304113C1 (en) |
| BR (4) | BR112013005676B1 (en) |
| CA (10) | CA3191597C (en) |
| CL (1) | CL2013000717A1 (en) |
| DK (3) | DK3975178T3 (en) |
| ES (3) | ES2938725T3 (en) |
| IL (12) | IL296448A (en) |
| MX (1) | MX2013002876A (en) |
| MY (2) | MY155990A (en) |
| PL (4) | PL2617035T3 (en) |
| RU (6) | RU2671619C2 (en) |
| SG (3) | SG188229A1 (en) |
| WO (1) | WO2012034890A1 (en) |
Families Citing this family (16)
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| US8958510B1 (en) * | 2010-06-10 | 2015-02-17 | Fredric J. Harris | Selectable bandwidth filter |
| EP2682941A1 (en) | 2012-07-02 | 2014-01-08 | Technische Universität Ilmenau | Device, method and computer program for freely selectable frequency shifts in the sub-band domain |
| TWI557727B (en) | 2013-04-05 | 2016-11-11 | 杜比國際公司 | An audio processing system, a multimedia processing system, a method of processing an audio bitstream and a computer program product |
| KR101782916B1 (en) | 2013-09-17 | 2017-09-28 | 주식회사 윌러스표준기술연구소 | Method and apparatus for processing audio signals |
| WO2015060654A1 (en) | 2013-10-22 | 2015-04-30 | 한국전자통신연구원 | Method for generating filter for audio signal and parameterizing device therefor |
| US10163447B2 (en) * | 2013-12-16 | 2018-12-25 | Qualcomm Incorporated | High-band signal modeling |
| WO2015099429A1 (en) | 2013-12-23 | 2015-07-02 | 주식회사 윌러스표준기술연구소 | Audio signal processing method, parameterization device for same, and audio signal processing device |
| CN108600935B (en) | 2014-03-19 | 2020-11-03 | 韦勒斯标准与技术协会公司 | Audio signal processing method and apparatus |
| KR101856127B1 (en) | 2014-04-02 | 2018-05-09 | 주식회사 윌러스표준기술연구소 | 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 |
| TWI693594B (en) | 2015-03-13 | 2020-05-11 | 瑞典商杜比國際公司 | Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element |
| 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 (en) * | 2019-05-05 | 2023-06-23 | 深圳信息职业技术学院 | Method for constructing fractional delay filter of electronic cochlea, storage medium and electronic cochlea |
| 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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| US5774837A (en) | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
| US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| SE512719C2 (en) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | A method and apparatus for reducing data flow based on harmonic bandwidth expansion |
| US6266003B1 (en) * | 1998-08-28 | 2001-07-24 | Sigma Audio Research Limited | Method and apparatus for signal processing for time-scale and/or pitch modification of audio signals |
| US7272556B1 (en) | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
| US6782360B1 (en) * | 1999-09-22 | 2004-08-24 | Mindspeed Technologies, Inc. | Gain quantization for a CELP speech coder |
| JP3518737B2 (en) * | 1999-10-25 | 2004-04-12 | 日本ビクター株式会社 | Audio encoding device, audio encoding method, and audio encoded signal recording medium |
| SE0004163D0 (en) | 2000-11-14 | 2000-11-14 | Coding Technologies Sweden Ab | Enhancing perceptual performance or high frequency reconstruction coding methods by adaptive filtering |
| CA2365203A1 (en) * | 2001-12-14 | 2003-06-14 | Voiceage Corporation | A signal modification method for efficient coding of speech signals |
| JP3537807B2 (en) * | 2002-02-28 | 2004-06-14 | 株式会社神戸製鋼所 | Digital data processing apparatus and method |
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| RU2374703C2 (en) | 2003-10-30 | 2009-11-27 | Конинклейке Филипс Электроникс Н.В. | Coding or decoding of audio signal |
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| UA99878C2 (en) * | 2009-01-16 | 2012-10-10 | Долби Интернешнл Аб | Cross product enhanced harmonic transposition |
| RU2493618C2 (en) * | 2009-01-28 | 2013-09-20 | Долби Интернешнл Аб | Improved harmonic conversion |
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| KR102020334B1 (en) * | 2010-01-19 | 2019-09-10 | 돌비 인터네셔널 에이비 | Improved subband block based harmonic transposition |
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2011
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