PL2539893T3 - Dekoder sygnału audio, koder sygnału audio, sposób dekodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, w których wykorzystywane jest dostosowywanie kontekstu kodowania w zależności od zmian wysokości tonu - Google Patents
Dekoder sygnału audio, koder sygnału audio, sposób dekodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, w których wykorzystywane jest dostosowywanie kontekstu kodowania w zależności od zmian wysokości tonuInfo
- Publication number
- PL2539893T3 PL2539893T3 PL11707415T PL11707415T PL2539893T3 PL 2539893 T3 PL2539893 T3 PL 2539893T3 PL 11707415 T PL11707415 T PL 11707415T PL 11707415 T PL11707415 T PL 11707415T PL 2539893 T3 PL2539893 T3 PL 2539893T3
- Authority
- PL
- Poland
- Prior art keywords
- audio signal
- decoding
- pitch
- encoding
- computer program
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 4
- 238000000034 method Methods 0.000 title 2
- 230000006978 adaptation Effects 0.000 title 1
- 238000004590 computer program Methods 0.000 title 1
- 230000001419 dependent effect 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
- G10L21/04—Time compression or expansion
-
- 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
-
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31250310P | 2010-03-10 | 2010-03-10 | |
| EP20110707415 EP2539893B1 (en) | 2010-03-10 | 2011-03-09 | Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context |
| PCT/EP2011/053541 WO2011110594A1 (en) | 2010-03-10 | 2011-03-09 | Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2539893T3 true PL2539893T3 (pl) | 2014-09-30 |
Family
ID=43829343
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11707665T PL2532001T3 (pl) | 2010-03-10 | 2011-03-09 | Dekoder sygnału audio, koder sygnału audio, sposoby i program komputerowy wykorzystujące zależne od częstotliwości próbkowania kodowanie krzywej dopasowania czasowego |
| PL11707415T PL2539893T3 (pl) | 2010-03-10 | 2011-03-09 | Dekoder sygnału audio, koder sygnału audio, sposób dekodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, w których wykorzystywane jest dostosowywanie kontekstu kodowania w zależności od zmian wysokości tonu |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11707665T PL2532001T3 (pl) | 2010-03-10 | 2011-03-09 | Dekoder sygnału audio, koder sygnału audio, sposoby i program komputerowy wykorzystujące zależne od częstotliwości próbkowania kodowanie krzywej dopasowania czasowego |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US9129597B2 (pl) |
| EP (2) | EP2532001B1 (pl) |
| JP (2) | JP5456914B2 (pl) |
| KR (2) | KR101445294B1 (pl) |
| CN (2) | CN102884572B (pl) |
| AR (2) | AR080396A1 (pl) |
| AU (2) | AU2011226140B2 (pl) |
| BR (2) | BR112012022741B1 (pl) |
| CA (2) | CA2792504C (pl) |
| ES (2) | ES2458354T3 (pl) |
| MX (2) | MX2012010439A (pl) |
| PL (2) | PL2532001T3 (pl) |
| RU (2) | RU2586848C2 (pl) |
| TW (2) | TWI441170B (pl) |
| WO (2) | WO2011110594A1 (pl) |
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| US8831933B2 (en) | 2010-07-30 | 2014-09-09 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization |
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| 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 |
| US9763019B2 (en) | 2013-05-29 | 2017-09-12 | Qualcomm Incorporated | Analysis of decomposed representations of a sound field |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| KR101952192B1 (ko) | 2013-06-21 | 2019-02-26 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 품질 제어를 이용하는 오디오 디코더, 방법 및 컴퓨터 프로그램 |
| WO2014202647A1 (en) | 2013-06-21 | 2014-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Jitter buffer control, audio decoder, method and computer program |
| AU2014336097B2 (en) * | 2013-10-18 | 2017-01-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Coding of spectral coefficients of a spectrum of an audio signal |
| PT3471096T (pt) * | 2013-10-18 | 2020-07-06 | Ericsson Telefon Ab L M | Codificação de posições de picos espectrais |
| 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 |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9741349B2 (en) * | 2014-03-14 | 2017-08-22 | Telefonaktiebolaget L M Ericsson (Publ) | Audio coding method and apparatus |
| 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 |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic 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 |
| MY181992A (en) * | 2016-01-22 | 2021-01-18 | Fraunhofer Ges Forschung | Apparatus and method for encoding or decoding a multi-channel signal using spectral-domain resampling |
| EP3306609A1 (en) | 2016-10-04 | 2018-04-11 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for determining a pitch information |
| WO2019081089A1 (en) * | 2017-10-27 | 2019-05-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | MITIGATION OF NOISE AT THE LEVEL OF A DECODER |
| 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 |
| WO2021076297A1 (en) * | 2019-10-19 | 2021-04-22 | Google Llc | Self-supervised pitch estimation |
| US12148120B2 (en) * | 2019-12-18 | 2024-11-19 | 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 |
| CN120934528A (zh) | 2020-10-06 | 2025-11-11 | 弗劳恩霍夫应用研究促进协会 | 对信息值序列进行算术编码的算术编码器与进行算数解码的算数解码器及用于算术编码与解码信息值序列的方法及实现方法的计算机程序 |
| MX2023004248A (es) | 2020-10-13 | 2023-06-08 | Fraunhofer Ges Forschung | Aparato y metodo para codificar una pluralidad de objetos de audio usando informacion de direccion durante una mezcla descendente o aparato y metodo para decodificacion usando una sintesis de covarianza optimizada. |
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| 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 |
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| EP2107556A1 (en) * | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
| MY154452A (en) * | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
| KR101400535B1 (ko) * | 2008-07-11 | 2014-05-28 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩 |
| PL3573056T3 (pl) * | 2008-07-11 | 2022-12-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koder audio i dekoder audio |
| 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 JP JP2012556505A patent/JP5456914B2/ja active Active
- 2011-03-09 WO PCT/EP2011/053541 patent/WO2011110594A1/en not_active Ceased
- 2011-03-09 EP EP20110707665 patent/EP2532001B1/en active Active
- 2011-03-09 KR KR1020127026461A patent/KR101445294B1/ko active Active
- 2011-03-09 TW TW100107905A patent/TWI441170B/zh active
- 2011-03-09 CN CN201180021269.2A patent/CN102884572B/zh active Active
- 2011-03-09 CN CN201180023298.2A patent/CN102884573B/zh active Active
- 2011-03-09 MX MX2012010439A patent/MX2012010439A/es active IP Right Grant
- 2011-03-09 ES ES11707665T patent/ES2458354T3/es active Active
- 2011-03-09 AU AU2011226140A patent/AU2011226140B2/en active Active
- 2011-03-09 BR BR112012022741-6A patent/BR112012022741B1/pt active IP Right Grant
- 2011-03-09 CA CA2792504A patent/CA2792504C/en active Active
- 2011-03-09 WO PCT/EP2011/053538 patent/WO2011110591A1/en not_active Ceased
- 2011-03-09 ES ES11707415T patent/ES2461183T3/es active Active
- 2011-03-09 KR KR1020127026462A patent/KR101445296B1/ko active Active
- 2011-03-09 AU AU2011226143A patent/AU2011226143B9/en active Active
- 2011-03-09 EP EP20110707415 patent/EP2539893B1/en active Active
- 2011-03-09 TW TW100107904A patent/TWI455113B/zh active
- 2011-03-09 JP JP2012556506A patent/JP5625076B2/ja active Active
- 2011-03-09 PL PL11707665T patent/PL2532001T3/pl unknown
- 2011-03-09 PL PL11707415T patent/PL2539893T3/pl unknown
- 2011-03-09 RU RU2012143340/08A patent/RU2586848C2/ru active
- 2011-03-09 RU RU2012143323A patent/RU2607264C2/ru not_active Application Discontinuation
- 2011-03-09 BR BR112012022744-0A patent/BR112012022744B1/pt active IP Right Grant
- 2011-03-09 CA CA2792500A patent/CA2792500C/en active Active
- 2011-03-09 MX MX2012010469A patent/MX2012010469A/es active IP Right Grant
- 2011-03-10 AR ARP110100746 patent/AR080396A1/es active IP Right Grant
- 2011-03-10 AR ARP110100748 patent/AR084465A1/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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