TWI575962B - 部份複數處理之重疊濾波器組中的低延遲實數至複數轉換 - Google Patents
部份複數處理之重疊濾波器組中的低延遲實數至複數轉換 Download PDFInfo
- Publication number
- TWI575962B TWI575962B TW102106021A TW102106021A TWI575962B TW I575962 B TWI575962 B TW I575962B TW 102106021 A TW102106021 A TW 102106021A TW 102106021 A TW102106021 A TW 102106021A TW I575962 B TWI575962 B TW I575962B
- Authority
- TW
- Taiwan
- Prior art keywords
- frequency domain
- signal
- block
- domain representation
- time
- Prior art date
Links
- 238000012545 processing Methods 0.000 title claims description 95
- 238000006243 chemical reaction Methods 0.000 title claims description 14
- 239000000872 buffer Substances 0.000 claims description 95
- 238000004458 analytical method Methods 0.000 claims description 59
- 230000015572 biosynthetic process Effects 0.000 claims description 46
- 238000003786 synthesis reaction Methods 0.000 claims description 45
- 230000003595 spectral effect Effects 0.000 claims description 30
- 230000004044 response Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000003672 processing method Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000005236 sound signal Effects 0.000 description 16
- 230000009467 reduction Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000630665 Hada Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0264—Filter sets with mutual related characteristics
- H03H17/0266—Filter banks
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261602848P | 2012-02-24 | 2012-02-24 | |
| US201261622389P | 2012-04-10 | 2012-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201404186A TW201404186A (zh) | 2014-01-16 |
| TWI575962B true TWI575962B (zh) | 2017-03-21 |
Family
ID=47844274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102106021A TWI575962B (zh) | 2012-02-24 | 2013-02-21 | 部份複數處理之重疊濾波器組中的低延遲實數至複數轉換 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US9374054B2 (https=) |
| EP (1) | EP2817882B1 (https=) |
| JP (1) | JP5853111B2 (https=) |
| KR (1) | KR101715639B1 (https=) |
| CN (1) | CN104170253B (https=) |
| AR (1) | AR090125A1 (https=) |
| AU (1) | AU2013223996B2 (https=) |
| BR (1) | BR112014020594B1 (https=) |
| CA (1) | CA2861299C (https=) |
| CL (1) | CL2014002224A1 (https=) |
| IL (1) | IL233648A (https=) |
| MX (1) | MX2014009802A (https=) |
| MY (1) | MY185104A (https=) |
| RU (1) | RU2628219C2 (https=) |
| SG (1) | SG11201403929SA (https=) |
| TW (1) | TWI575962B (https=) |
| WO (1) | WO2013124443A1 (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8971551B2 (en) | 2009-09-18 | 2015-03-03 | Dolby International Ab | Virtual bass synthesis using harmonic transposition |
| JP5894347B2 (ja) * | 2012-10-15 | 2016-03-30 | ドルビー・インターナショナル・アーベー | 転移器に基づく仮想ベース・システムにおけるレイテンシーを低減するシステムおよび方法 |
| CN106105269B (zh) * | 2014-03-19 | 2018-06-19 | 韦勒斯标准与技术协会公司 | 音频信号处理方法和设备 |
| KR102216801B1 (ko) * | 2014-04-02 | 2021-02-17 | 주식회사 윌러스표준기술연구소 | 오디오 신호 처리 방법 및 장치 |
| KR101525207B1 (ko) * | 2014-11-24 | 2015-06-04 | 가락전자 주식회사 | 오디오 스트림 사이의 신호 동기화 방법 |
| WO2016085011A1 (ko) * | 2014-11-24 | 2016-06-02 | 가락전자 주식회사 | 오디오 스트림 사이의 신호 동기화 방법 |
| US9438287B2 (en) * | 2014-12-05 | 2016-09-06 | Intel Corporation | Apparatus and method for mitigating loss of signal content |
| EP3475944B1 (en) * | 2016-06-22 | 2020-07-15 | Dolby International AB | Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain |
| CN109328382B (zh) * | 2016-06-22 | 2023-06-16 | 杜比国际公司 | 用于将数字音频信号从第一频域变换到第二频域的音频解码器及方法 |
| TWI866996B (zh) * | 2019-06-26 | 2024-12-21 | 美商杜拜研究特許公司 | 具有改善頻率解析度的低延遲音訊濾波器組 |
| IL290390B2 (en) | 2019-09-03 | 2025-05-01 | Dolby Laboratories Licensing Corp | Audio filter array with decoupling elements |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6728385B2 (en) * | 2002-02-28 | 2004-04-27 | Nacre As | Voice detection and discrimination apparatus and method |
| US6980933B2 (en) * | 2004-01-27 | 2005-12-27 | Dolby Laboratories Licensing Corporation | Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients |
| EP1525576B1 (de) * | 2002-07-26 | 2009-05-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zum erzeugen einer komplexen spektraldarstellung eines zeitdiskreten signals |
| US20090304198A1 (en) * | 2006-04-13 | 2009-12-10 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio signal decorrelator, multi channel audio signal processor, audio signal processor, method for deriving an output audio signal from an input audio signal and computer program |
| US20100013987A1 (en) * | 2006-07-31 | 2010-01-21 | Bernd Edler | Device and Method for Processing a Real Subband Signal for Reducing Aliasing Effects |
| US20100169104A1 (en) * | 2005-09-16 | 2010-07-01 | Per Ekstrand | Partially Complex Modulated Filter Bank |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001007769A (ja) * | 1999-04-22 | 2001-01-12 | Matsushita Electric Ind Co Ltd | 低遅延サブバンド分割／合成装置 |
| KR20070001115A (ko) * | 2004-01-28 | 2007-01-03 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 복소수 값 데이터를 이용하는 오디오 신호 디코딩 |
| DE102004021403A1 (de) * | 2004-04-30 | 2005-11-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Informationssignalverarbeitung durch Modifikation in der Spektral-/Modulationsspektralbereichsdarstellung |
| KR100736607B1 (ko) * | 2005-03-31 | 2007-07-09 | 엘지전자 주식회사 | 오디오 부호화 방법 및 장치 |
| US7917561B2 (en) * | 2005-09-16 | 2011-03-29 | Coding Technologies Ab | Partially complex modulated filter bank |
| EP2011234B1 (en) * | 2006-04-27 | 2010-12-29 | Dolby Laboratories Licensing Corporation | Audio gain control using specific-loudness-based auditory event detection |
| US8964998B1 (en) * | 2011-06-07 | 2015-02-24 | Sound Enhancement Technology, Llc | System for dynamic spectral correction of audio signals to compensate for ambient noise in the listener's environment |
-
2013
- 2013-02-21 TW TW102106021A patent/TWI575962B/zh active
- 2013-02-22 US US14/380,351 patent/US9374054B2/en active Active
- 2013-02-22 AR ARP130100541A patent/AR090125A1/es active IP Right Grant
- 2013-02-22 WO PCT/EP2013/053607 patent/WO2013124443A1/en not_active Ceased
- 2013-02-22 KR KR1020147023570A patent/KR101715639B1/ko active Active
- 2013-02-22 EP EP13708373.9A patent/EP2817882B1/en active Active
- 2013-02-22 AU AU2013223996A patent/AU2013223996B2/en active Active
- 2013-02-22 RU RU2014134459A patent/RU2628219C2/ru active
- 2013-02-22 CN CN201380010296.9A patent/CN104170253B/zh active Active
- 2013-02-22 MX MX2014009802A patent/MX2014009802A/es active IP Right Grant
- 2013-02-22 SG SG11201403929SA patent/SG11201403929SA/en unknown
- 2013-02-22 BR BR112014020594-9A patent/BR112014020594B1/pt active IP Right Grant
- 2013-02-22 JP JP2014556111A patent/JP5853111B2/ja active Active
- 2013-02-22 CA CA2861299A patent/CA2861299C/en active Active
- 2013-02-22 MY MYPI2014701876A patent/MY185104A/en unknown
-
2014
- 2014-07-15 IL IL233648A patent/IL233648A/en active IP Right Grant
- 2014-08-21 CL CL2014002224A patent/CL2014002224A1/es unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6728385B2 (en) * | 2002-02-28 | 2004-04-27 | Nacre As | Voice detection and discrimination apparatus and method |
| EP1525576B1 (de) * | 2002-07-26 | 2009-05-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zum erzeugen einer komplexen spektraldarstellung eines zeitdiskreten signals |
| US6980933B2 (en) * | 2004-01-27 | 2005-12-27 | Dolby Laboratories Licensing Corporation | Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients |
| US20100169104A1 (en) * | 2005-09-16 | 2010-07-01 | Per Ekstrand | Partially Complex Modulated Filter Bank |
| US20090304198A1 (en) * | 2006-04-13 | 2009-12-10 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio signal decorrelator, multi channel audio signal processor, audio signal processor, method for deriving an output audio signal from an input audio signal and computer program |
| US20100013987A1 (en) * | 2006-07-31 | 2010-01-21 | Bernd Edler | Device and Method for Processing a Real Subband Signal for Reducing Aliasing Effects |
Also Published As
| Publication number | Publication date |
|---|---|
| MY185104A (en) | 2021-04-30 |
| RU2628219C2 (ru) | 2017-08-15 |
| KR101715639B1 (ko) | 2017-03-13 |
| JP2015513117A (ja) | 2015-04-30 |
| MX2014009802A (es) | 2014-09-25 |
| AU2013223996A1 (en) | 2014-07-31 |
| KR20140132341A (ko) | 2014-11-17 |
| CL2014002224A1 (es) | 2014-12-19 |
| BR112014020594B1 (pt) | 2021-09-21 |
| EP2817882A1 (en) | 2014-12-31 |
| HK1205829A1 (en) | 2015-12-24 |
| JP5853111B2 (ja) | 2016-02-09 |
| CA2861299A1 (en) | 2013-08-29 |
| AU2013223996B2 (en) | 2016-01-21 |
| US9374054B2 (en) | 2016-06-21 |
| TW201404186A (zh) | 2014-01-16 |
| IL233648A (en) | 2017-04-30 |
| CN104170253B (zh) | 2017-08-01 |
| EP2817882B1 (en) | 2020-06-10 |
| CN104170253A (zh) | 2014-11-26 |
| BR112014020594A2 (https=) | 2017-06-20 |
| CA2861299C (en) | 2016-10-25 |
| RU2014134459A (ru) | 2016-04-10 |
| SG11201403929SA (en) | 2014-10-30 |
| US20150049880A1 (en) | 2015-02-19 |
| WO2013124443A1 (en) | 2013-08-29 |
| IL233648A0 (en) | 2014-08-31 |
| AR090125A1 (es) | 2014-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI575962B (zh) | 部份複數處理之重疊濾波器組中的低延遲實數至複數轉換 | |
| Van der Tol et al. | Image Domain Gridding: a fast method for convolutional resampling of visibilities | |
| JP2005148274A (ja) | 複素指数変調フィルタバンクの信号分析方法、信号合成方法、そのプログラム及びその記録媒体 | |
| Athalye et al. | Generic hardware architectures for sampling and resampling in particle filters | |
| CN112799024B (zh) | 一种多路信号处理的精延时方法和装置 | |
| FR2545612A1 (fr) | Simulateur d'effet doppler a large bande | |
| CN114244460B (zh) | 一种异构加速的多径信道信号实时生成方法 | |
| Kim et al. | Implementation of a low-complexity low-latency arbitrary resampler on GPUs | |
| GB2535211B (en) | Signal processing apparatus and method | |
| CN105849802B (zh) | 用于正交镜像滤波的方法和装置 | |
| CN116705042B (zh) | 一种长帧移语音相位谱预测方法及装置 | |
| CN114220448B (zh) | 语音信号生成方法、装置、计算机设备和存储介质 | |
| CN105515548A (zh) | 基于fpga的多路抽取复用滤波器的方法及装置 | |
| HK1205829B (en) | Low delay real-to-complex conversion in overlapping filter banks for partially complex processing | |
| CN102129861B (zh) | 信号变换方法和系统 | |
| Guan et al. | A polynomial dictionary learning method for acoustic impulse response modeling | |
| JP2004518164A (ja) | オーディオ信号又はスピーチ信号を符号化するパラメトリック・エンコーダ及び方法 | |
| Johnson et al. | Music Upscaling Using Convolutional Neural Networks | |
| Vaidyanathan et al. | Coprime sampling and arrays in one and multiple dimensions | |
| TW202334938A (zh) | 正交鏡像濾波器域中之沉浸式音訊及視訊服務空間重建濾波器庫 | |
| Slump et al. | Design and implementation of a linear-phase equalizer in digital audio signal processing | |
| KR101820028B1 (ko) | 오버랩 범위 내의 결합을 사용하여 오디오 신호를 처리하기 위한 장치 및 방법 | |
| JP2007228349A (ja) | サンプリング周波数変換方法、そのプログラム及びその記録媒体 | |
| Kang et al. | High-Performance Sound Engine of Guitar on Optimal Many-Core Processors |