AR080396A1 - Decodificador de senales de audio, codificador de senales de audio, metodos y programa de computacion que utiliza tasa de muestreo dependiente de la codificacion del contorno de distorsion en el tiempo - Google Patents
Decodificador de senales de audio, codificador de senales de audio, metodos y programa de computacion que utiliza tasa de muestreo dependiente de la codificacion del contorno de distorsion en el tiempoInfo
- Publication number
- AR080396A1 AR080396A1 ARP110100746A AR080396A1 AR 080396 A1 AR080396 A1 AR 080396A1 AR P110100746 A ARP110100746 A AR P110100746A AR 080396 A1 AR080396 A1 AR 080396A1
- Authority
- AR
- Argentina
- Prior art keywords
- audio signal
- coding
- time distortion
- distortion
- encoded
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 6
- 238000005070 sampling Methods 0.000 title abstract 3
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000001228 spectrum Methods 0.000 abstract 2
- 238000013507 mapping 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
- G10L21/04—Time compression or expansion
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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
-
- 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
- G10L19/0212—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
-
- 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
- G10L25/90—Pitch determination of speech signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un decodificador de senal de audio configurado para proveer una representacion de senal de audio decodificada teniendo en cuenta una representacion de senal de audio codificada que comprende informacion de frecuencia de muestreo, informacion de distorsion en el tiempo codificada y una representacion de espectro codificada, que comprende un calculador de distorsion en el tiempo y un decodificador de distorsion. El calculador de distorsion en el tiempo se configura para adaptar una regla de mapeo para mapear palabras codificadas de la informacion de distorsion en el tiempo codificada en valores de distorsion en el tiempo decodificados que describen la informacion de distorsion en el tiempo decodificada dependiendo de la informacion de frecuencia de muestreo. El decodificador de distorsion se configura para proveer una representacion de senal de audio decodificada teniendo en cuenta la representacion de espectro codificada y dependiendo de la informacion de distorsion en el tiempo decodificada.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31250310P | 2010-03-10 | 2010-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR080396A1 true AR080396A1 (es) | 2012-04-04 |
Family
ID=43829343
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP110100748 AR084465A1 (es) | 2010-03-10 | 2011-03-10 | Decodificador de señales de audio, codificador de señales de audio, metodo para decodificar una señal de audio, metodo para codificar una señal de audio y programa de computacion que utilizan una adaptacion dependiente de la frecuencia de un contexto de codificacion |
ARP110100746 AR080396A1 (es) | 2010-03-10 | 2011-03-10 | Decodificador de senales de audio, codificador de senales de audio, metodos y programa de computacion que utiliza tasa de muestreo dependiente de la codificacion del contorno de distorsion en el tiempo |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP110100748 AR084465A1 (es) | 2010-03-10 | 2011-03-10 | Decodificador de señales de audio, codificador de señales de audio, metodo para decodificar una señal de audio, metodo para codificar una señal de audio y programa de computacion que utilizan una adaptacion dependiente de la frecuencia de un contexto de codificacion |
Country Status (16)
Country | Link |
---|---|
US (2) | US9129597B2 (es) |
EP (2) | EP2539893B1 (es) |
JP (2) | JP5625076B2 (es) |
KR (2) | KR101445296B1 (es) |
CN (2) | CN102884572B (es) |
AR (2) | AR084465A1 (es) |
AU (2) | AU2011226143B9 (es) |
BR (2) | BR112012022741B1 (es) |
CA (2) | CA2792504C (es) |
ES (2) | ES2461183T3 (es) |
HK (2) | HK1179743A1 (es) |
MX (2) | MX2012010439A (es) |
PL (2) | PL2532001T3 (es) |
RU (2) | RU2607264C2 (es) |
TW (2) | TWI455113B (es) |
WO (2) | WO2011110591A1 (es) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2083418A1 (en) * | 2008-01-24 | 2009-07-29 | Deutsche Thomson OHG | Method and Apparatus for determining and using the sampling frequency for decoding watermark information embedded in a received signal sampled with an original sampling frequency at encoder side |
US9236063B2 (en) | 2010-07-30 | 2016-01-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dynamic bit allocation |
US9208792B2 (en) | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
CN103035249B (zh) * | 2012-11-14 | 2015-04-08 | 北京理工大学 | 一种基于时频平面上下文的音频算术编码方法 |
US20140355769A1 (en) | 2013-05-29 | 2014-12-04 | Qualcomm Incorporated | Energy preservation for decomposed representations of a sound field |
US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
SG11201510459YA (en) | 2013-06-21 | 2016-01-28 | Fraunhofer Ges Forschung | Jitter buffer control, audio decoder, method and computer program |
EP3321935B1 (en) | 2013-06-21 | 2019-05-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time scaler, audio decoder, method and a computer program using a quality control |
CA2925734C (en) * | 2013-10-18 | 2018-07-10 | Guillaume Fuchs | Coding of spectral coefficients of a spectrum of an audio signal |
US9997165B2 (en) * | 2013-10-18 | 2018-06-12 | Telefonaktiebolaget L M Ericsson (Publ) | Coding and decoding of spectral peak positions |
FR3015754A1 (fr) * | 2013-12-20 | 2015-06-26 | Orange | Re-echantillonnage d'un signal audio cadence a une frequence d'echantillonnage variable selon la trame |
US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
CN110808056B (zh) * | 2014-03-14 | 2023-10-17 | 瑞典爱立信有限公司 | 音频编码方法和装置 |
US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
US9747910B2 (en) | 2014-09-26 | 2017-08-29 | Qualcomm Incorporated | Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework |
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 |
CN105070292B (zh) * | 2015-07-10 | 2018-11-16 | 珠海市杰理科技股份有限公司 | 音频文件数据重排序的方法和系统 |
KR102083200B1 (ko) * | 2016-01-22 | 2020-04-28 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼-도메인 리샘플링을 사용하여 멀티-채널 신호를 인코딩 또는 디코딩하기 위한 장치 및 방법 |
EP3306609A1 (en) * | 2016-10-04 | 2018-04-11 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for determining a pitch information |
RU2744485C1 (ru) * | 2017-10-27 | 2021-03-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Ослабление шума в декодере |
WO2020207593A1 (en) * | 2019-04-11 | 2020-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program |
US20210192681A1 (en) * | 2019-12-18 | 2021-06-24 | Ati Technologies Ulc | Frame reprojection for virtual reality and augmented reality |
US11776562B2 (en) * | 2020-05-29 | 2023-10-03 | Qualcomm Incorporated | Context-aware hardware-based voice activity detection |
AU2021359779A1 (en) * | 2020-10-13 | 2023-06-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding a plurality of audio objects and apparatus and method for decoding using two or more relevant audio objects |
CN114488105B (zh) * | 2022-04-15 | 2022-08-23 | 四川锐明智通科技有限公司 | 一种基于运动特征及方向模板滤波的雷达目标检测方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7272556B1 (en) | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
JP4196235B2 (ja) * | 1999-01-19 | 2008-12-17 | ソニー株式会社 | オーディオデータ処理装置 |
WO2000074039A1 (en) * | 1999-05-26 | 2000-12-07 | Koninklijke Philips Electronics N.V. | Audio signal transmission system |
US6581032B1 (en) * | 1999-09-22 | 2003-06-17 | Conexant Systems, Inc. | Bitstream protocol for transmission of encoded voice signals |
CA2365203A1 (en) | 2001-12-14 | 2003-06-14 | Voiceage Corporation | A signal modification method for efficient coding of speech signals |
US20040098255A1 (en) * | 2002-11-14 | 2004-05-20 | France Telecom | Generalized analysis-by-synthesis speech coding method, and coder implementing such method |
US7394833B2 (en) * | 2003-02-11 | 2008-07-01 | Nokia Corporation | Method and apparatus for reducing synchronization delay in packet switched voice terminals using speech decoder modification |
JP4364544B2 (ja) * | 2003-04-09 | 2009-11-18 | 株式会社神戸製鋼所 | 音声信号処理装置及びその方法 |
CN101171626B (zh) * | 2005-03-11 | 2012-03-21 | 高通股份有限公司 | 通过修改残余对声码器内的帧进行时间扭曲 |
NZ562182A (en) * | 2005-04-01 | 2010-03-26 | Qualcomm Inc | Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal |
US7720677B2 (en) * | 2005-11-03 | 2010-05-18 | Coding Technologies Ab | Time warped modified transform coding of audio signals |
WO2008022184A2 (en) | 2006-08-15 | 2008-02-21 | Broadcom Corporation | Constrained and controlled decoding after packet loss |
CN101366080B (zh) * | 2006-08-15 | 2011-10-19 | 美国博通公司 | 一种更新解码器的状态的方法和系统 |
US8239190B2 (en) * | 2006-08-22 | 2012-08-07 | Qualcomm Incorporated | Time-warping frames of wideband vocoder |
US9653088B2 (en) * | 2007-06-13 | 2017-05-16 | Qualcomm Incorporated | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
EP2015293A1 (en) * | 2007-06-14 | 2009-01-14 | Deutsche Thomson OHG | Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
EP2107556A1 (en) * | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
DK3573056T3 (da) * | 2008-07-11 | 2022-10-03 | Fraunhofer Ges Forschung | Audiokoder og audioafkoder |
PL2311033T3 (pl) | 2008-07-11 | 2012-05-31 | Fraunhofer Ges Forschung | Dostarczanie sygnału aktywującego dopasowanie czasowe i kodowanie sygnału audio z jego użyciem |
MY154452A (en) * | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
US8600737B2 (en) | 2010-06-01 | 2013-12-03 | Qualcomm Incorporated | Systems, methods, apparatus, and computer program products for wideband speech coding |
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2011
- 2011-03-09 ES ES11707415T patent/ES2461183T3/es active Active
- 2011-03-09 WO PCT/EP2011/053538 patent/WO2011110591A1/en active Application Filing
- 2011-03-09 CA CA2792504A patent/CA2792504C/en active Active
- 2011-03-09 RU RU2012143323A patent/RU2607264C2/ru not_active Application Discontinuation
- 2011-03-09 BR BR112012022741-6A patent/BR112012022741B1/pt active IP Right Grant
- 2011-03-09 WO PCT/EP2011/053541 patent/WO2011110594A1/en active Application Filing
- 2011-03-09 AU AU2011226143A patent/AU2011226143B9/en active Active
- 2011-03-09 CN CN201180021269.2A patent/CN102884572B/zh active Active
- 2011-03-09 CA CA2792500A patent/CA2792500C/en active Active
- 2011-03-09 CN CN201180023298.2A patent/CN102884573B/zh active Active
- 2011-03-09 PL PL11707665T patent/PL2532001T3/pl unknown
- 2011-03-09 JP JP2012556506A patent/JP5625076B2/ja active Active
- 2011-03-09 EP EP20110707415 patent/EP2539893B1/en active Active
- 2011-03-09 TW TW100107904A patent/TWI455113B/zh active
- 2011-03-09 MX MX2012010439A patent/MX2012010439A/es active IP Right Grant
- 2011-03-09 RU RU2012143340/08A patent/RU2586848C2/ru active
- 2011-03-09 ES ES11707665T patent/ES2458354T3/es active Active
- 2011-03-09 MX MX2012010469A patent/MX2012010469A/es active IP Right Grant
- 2011-03-09 EP EP20110707665 patent/EP2532001B1/en active Active
- 2011-03-09 AU AU2011226140A patent/AU2011226140B2/en active Active
- 2011-03-09 JP JP2012556505A patent/JP5456914B2/ja active Active
- 2011-03-09 KR KR1020127026462A patent/KR101445296B1/ko active IP Right Grant
- 2011-03-09 BR BR112012022744-0A patent/BR112012022744B1/pt active IP Right Grant
- 2011-03-09 TW TW100107905A patent/TWI441170B/zh active
- 2011-03-09 KR KR1020127026461A patent/KR101445294B1/ko active IP Right Grant
- 2011-03-09 PL PL11707415T patent/PL2539893T3/pl unknown
- 2011-03-10 AR ARP110100748 patent/AR084465A1/es active IP Right Grant
- 2011-03-10 AR ARP110100746 patent/AR080396A1/es active IP Right Grant
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2012
- 2012-09-06 US US13/604,869 patent/US9129597B2/en active Active
- 2012-09-10 US US13/608,980 patent/US9524726B2/en active Active
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2013
- 2013-06-08 HK HK13106813.7A patent/HK1179743A1/xx unknown
- 2013-06-26 HK HK13107466.5A patent/HK1181540A1/xx unknown
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