AR090125A1 - Conversion real-a-compleja con bajo retardo en bancos de filtros de solapamiento para procesamiento parcialmente complejo - Google Patents
Conversion real-a-compleja con bajo retardo en bancos de filtros de solapamiento para procesamiento parcialmente complejoInfo
- Publication number
- AR090125A1 AR090125A1 ARP130100541A ARP130100541A AR090125A1 AR 090125 A1 AR090125 A1 AR 090125A1 AR P130100541 A ARP130100541 A AR P130100541A AR P130100541 A ARP130100541 A AR P130100541A AR 090125 A1 AR090125 A1 AR 090125A1
- Authority
- AR
- Argentina
- Prior art keywords
- signal
- real
- time
- complex
- filter banks
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 238000003786 synthesis reaction Methods 0.000 abstract 3
- 230000005236 sound signal Effects 0.000 abstract 1
Classifications
-
- 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
-
- 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
- H03G3/00—Gain control in amplifiers or frequency changers
-
- 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
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 (1)
| Publication Number | Publication Date |
|---|---|
| AR090125A1 true AR090125A1 (es) | 2014-10-22 |
Family
ID=47844274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP130100541A AR090125A1 (es) | 2012-02-24 | 2013-02-22 | Conversion real-a-compleja con bajo retardo en bancos de filtros de solapamiento para procesamiento parcialmente complejo |
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 |
| EP2907324B1 (en) * | 2012-10-15 | 2016-11-09 | Dolby International AB | System and method for reducing latency in transposer-based virtual bass systems |
| KR101782917B1 (ko) * | 2014-03-19 | 2017-09-28 | 주식회사 윌러스표준기술연구소 | 오디오 신호 처리 방법 및 장치 |
| KR101856540B1 (ko) * | 2014-04-02 | 2018-05-11 | 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 |
| 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 |
| JP6976277B2 (ja) * | 2016-06-22 | 2021-12-08 | ドルビー・インターナショナル・アーベー | 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法 |
| 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 |
| UA129473C2 (uk) | 2019-09-03 | 2025-05-07 | Долбі Лабораторіс Лайсензін Корпорейшн | Банк аудіофільтрів із декореляційними компонентами |
Family Cites Families (13)
| 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 |
| US6728385B2 (en) * | 2002-02-28 | 2004-04-27 | Nacre As | Voice detection and discrimination apparatus and method |
| DE10234130B3 (de) * | 2002-07-26 | 2004-02-19 | 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 |
| JP2007520748A (ja) * | 2004-01-28 | 2007-07-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 複素値データを用いたオーディオ信号の復号 |
| 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 |
| US8443026B2 (en) * | 2005-09-16 | 2013-05-14 | Dolby International Ab | Partially complex modulated filter bank |
| US7917561B2 (en) * | 2005-09-16 | 2011-03-29 | Coding Technologies Ab | Partially complex modulated filter bank |
| ATE448638T1 (de) * | 2006-04-13 | 2009-11-15 | Fraunhofer Ges Forschung | Audiosignaldekorrelator |
| RU2417514C2 (ru) * | 2006-04-27 | 2011-04-27 | Долби Лэборетериз Лайсенсинг Корпорейшн | Регулировка усиления звука с использованием основанного на конкретной громкости обнаружения акустических событий |
| DE102006047197B3 (de) * | 2006-07-31 | 2008-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten |
| 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 MX MX2014009802A patent/MX2014009802A/es active IP Right Grant
- 2013-02-22 SG SG11201403929SA patent/SG11201403929SA/en unknown
- 2013-02-22 JP JP2014556111A patent/JP5853111B2/ja active Active
- 2013-02-22 MY MYPI2014701876A patent/MY185104A/en unknown
- 2013-02-22 CN CN201380010296.9A patent/CN104170253B/zh active Active
- 2013-02-22 US US14/380,351 patent/US9374054B2/en active Active
- 2013-02-22 EP EP13708373.9A patent/EP2817882B1/en active Active
- 2013-02-22 CA CA2861299A patent/CA2861299C/en active Active
- 2013-02-22 WO PCT/EP2013/053607 patent/WO2013124443A1/en not_active Ceased
- 2013-02-22 RU RU2014134459A patent/RU2628219C2/ru active
- 2013-02-22 AR ARP130100541A patent/AR090125A1/es active IP Right Grant
- 2013-02-22 BR BR112014020594-9A patent/BR112014020594B1/pt active IP Right Grant
- 2013-02-22 KR KR1020147023570A patent/KR101715639B1/ko active Active
- 2013-02-22 AU AU2013223996A patent/AU2013223996B2/en active Active
-
2014
- 2014-07-15 IL IL233648A patent/IL233648A/en active IP Right Grant
- 2014-08-21 CL CL2014002224A patent/CL2014002224A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US9374054B2 (en) | 2016-06-21 |
| RU2628219C2 (ru) | 2017-08-15 |
| KR101715639B1 (ko) | 2017-03-13 |
| JP5853111B2 (ja) | 2016-02-09 |
| AU2013223996A1 (en) | 2014-07-31 |
| CN104170253B (zh) | 2017-08-01 |
| RU2014134459A (ru) | 2016-04-10 |
| JP2015513117A (ja) | 2015-04-30 |
| TWI575962B (zh) | 2017-03-21 |
| CL2014002224A1 (es) | 2014-12-19 |
| EP2817882A1 (en) | 2014-12-31 |
| WO2013124443A1 (en) | 2013-08-29 |
| BR112014020594B1 (pt) | 2021-09-21 |
| EP2817882B1 (en) | 2020-06-10 |
| CA2861299C (en) | 2016-10-25 |
| CA2861299A1 (en) | 2013-08-29 |
| KR20140132341A (ko) | 2014-11-17 |
| IL233648A (en) | 2017-04-30 |
| HK1205829A1 (en) | 2015-12-24 |
| MX2014009802A (es) | 2014-09-25 |
| AU2013223996B2 (en) | 2016-01-21 |
| TW201404186A (zh) | 2014-01-16 |
| CN104170253A (zh) | 2014-11-26 |
| BR112014020594A2 (https=) | 2017-06-20 |
| US20150049880A1 (en) | 2015-02-19 |
| IL233648A0 (en) | 2014-08-31 |
| SG11201403929SA (en) | 2014-10-30 |
| MY185104A (en) | 2021-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant, registration |