RU2756042C2 - Передискретизация звукового сигнала для кодирования/декодирования с малой задержкой - Google Patents
Передискретизация звукового сигнала для кодирования/декодирования с малой задержкой Download PDFInfo
- Publication number
- RU2756042C2 RU2756042C2 RU2017144520A RU2017144520A RU2756042C2 RU 2756042 C2 RU2756042 C2 RU 2756042C2 RU 2017144520 A RU2017144520 A RU 2017144520A RU 2017144520 A RU2017144520 A RU 2017144520A RU 2756042 C2 RU2756042 C2 RU 2756042C2
- Authority
- RU
- Russia
- Prior art keywords
- oversampling
- signal
- discrete values
- filter
- delay
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract description 12
- 238000012952 Resampling Methods 0.000 title abstract description 9
- 239000013598 vector Substances 0.000 claims abstract description 25
- 230000003044 adaptive effect Effects 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 60
- 238000012545 processing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 37
- 238000005070 sampling Methods 0.000 description 34
- 230000015654 memory Effects 0.000 description 25
- 230000004044 response Effects 0.000 description 17
- 238000013459 approach Methods 0.000 description 8
- 230000001934 delay Effects 0.000 description 8
- 230000003595 spectral effect Effects 0.000 description 8
- 238000004422 calculation algorithm Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000004590 computer program Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 239000000661 sodium alginate Substances 0.000 description 4
- 235000010413 sodium alginate Nutrition 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000001099 ammonium carbonate Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013213 extrapolation Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N hydrochloric acid Substances Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 239000008272 agar Substances 0.000 description 2
- 235000010419 agar Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000737 potassium alginate Substances 0.000 description 2
- 235000010408 potassium alginate Nutrition 0.000 description 2
- 230000000306 recurrent effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000001878 Bakers yeast glycan Substances 0.000 description 1
- -1 E502 Substances 0.000 description 1
- 239000004277 Ferrous carbonate Substances 0.000 description 1
- 239000000728 ammonium alginate Substances 0.000 description 1
- 235000010407 ammonium alginate Nutrition 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005311 autocorrelation function Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000679 carrageenan Substances 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000000770 propane-1,2-diol alginate Substances 0.000 description 1
- 235000010409 propane-1,2-diol alginate Nutrition 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/04—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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1359456 | 2013-09-30 | ||
| FR1359456A FR3011408A1 (fr) | 2013-09-30 | 2013-09-30 | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2016117073A Division RU2679228C2 (ru) | 2013-09-30 | 2014-09-26 | Передискретизация звукового сигнала для кодирования/декодирования с малой задержкой |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2017144520A RU2017144520A (ru) | 2019-02-15 |
| RU2017144520A3 RU2017144520A3 (enExample) | 2021-04-09 |
| RU2756042C2 true RU2756042C2 (ru) | 2021-09-24 |
Family
ID=50101931
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2017144520A RU2756042C2 (ru) | 2013-09-30 | 2014-09-26 | Передискретизация звукового сигнала для кодирования/декодирования с малой задержкой |
| RU2016117073A RU2679228C2 (ru) | 2013-09-30 | 2014-09-26 | Передискретизация звукового сигнала для кодирования/декодирования с малой задержкой |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2016117073A RU2679228C2 (ru) | 2013-09-30 | 2014-09-26 | Передискретизация звукового сигнала для кодирования/декодирования с малой задержкой |
Country Status (22)
| Country | Link |
|---|---|
| US (2) | US10403296B2 (enExample) |
| EP (2) | EP3053163B1 (enExample) |
| JP (2) | JP6559658B2 (enExample) |
| KR (5) | KR102505502B1 (enExample) |
| CN (2) | CN105684078B (enExample) |
| BR (2) | BR112016006447B1 (enExample) |
| DK (2) | DK3053163T3 (enExample) |
| ES (2) | ES2934671T3 (enExample) |
| FI (2) | FI3330964T3 (enExample) |
| FR (1) | FR3011408A1 (enExample) |
| HR (2) | HRP20230101T1 (enExample) |
| HU (2) | HUE061442T2 (enExample) |
| LT (2) | LT3053163T (enExample) |
| MX (2) | MX376858B (enExample) |
| PL (2) | PL3053163T3 (enExample) |
| PT (2) | PT3330964T (enExample) |
| RS (2) | RS63936B1 (enExample) |
| RU (2) | RU2756042C2 (enExample) |
| SI (2) | SI3053163T1 (enExample) |
| SM (2) | SMT202300037T1 (enExample) |
| WO (1) | WO2015044609A1 (enExample) |
| ZA (1) | ZA201602919B (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
| 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 |
| KR102503347B1 (ko) | 2014-06-10 | 2023-02-23 | 엠큐에이 리미티드 | 오디오 신호의 디지털 캡슐화 |
| EP2980794A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| FR3025923A1 (fr) * | 2014-09-12 | 2016-03-18 | Orange | Discrimination et attenuation de pre-echos dans un signal audionumerique |
| US10325609B2 (en) * | 2015-04-13 | 2019-06-18 | Nippon Telegraph And Telephone Corporation | Coding and decoding a sound signal by adapting coefficients transformable to linear predictive coefficients and/or adapting a code book |
| US10115403B2 (en) * | 2015-12-18 | 2018-10-30 | Qualcomm Incorporated | Encoding of multiple audio signals |
| WO2017126853A1 (en) | 2016-01-21 | 2017-07-27 | Lg Electronics Inc. | Display device |
| US10587294B1 (en) * | 2018-09-14 | 2020-03-10 | Viasat, Inc. | Digital signal conditioner system |
| US20210224024A1 (en) * | 2020-01-21 | 2021-07-22 | Audiowise Technology Inc. | Bluetooth audio system with low latency, and audio source and audio sink thereof |
| CN114548145B (zh) * | 2021-12-27 | 2024-12-20 | 上海交通大学 | 基于参数化重采样的高分辨率时频分析方法 |
| CN118430550B (zh) * | 2024-06-14 | 2025-06-10 | 深圳技威时代科技有限公司 | 一种AMR编解码对16k采样率音频进行处理的方法及系统 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2397080A1 (en) * | 2001-08-07 | 2003-02-07 | Dspfactory Ltd. | Sub-band adaptive signal processing in an oversampled filterbank |
| US20040230427A1 (en) * | 2000-09-08 | 2004-11-18 | Derk Reefman | Audio signal compression |
| US20080288094A1 (en) * | 2004-07-23 | 2008-11-20 | Mitsugi Fukushima | Auto Signal Output Device |
| US20120065753A1 (en) * | 2009-02-03 | 2012-03-15 | Samsung Electronics Co., Ltd. | Audio signal encoding and decoding method, and apparatus for same |
| RU2494478C1 (ru) * | 2009-10-21 | 2013-09-27 | Долби Интернешнл Аб | Передискретизация в комбинированном банке фильтров транспозитора |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6363345B1 (en) * | 1999-02-18 | 2002-03-26 | Andrea Electronics Corporation | System, method and apparatus for cancelling noise |
| GB2352949A (en) * | 1999-08-02 | 2001-02-07 | Motorola Ltd | Speech coder for communications unit |
| FR2813722B1 (fr) | 2000-09-05 | 2003-01-24 | France Telecom | Procede et dispositif de dissimulation d'erreurs et systeme de transmission comportant un tel dispositif |
| JPWO2006025313A1 (ja) * | 2004-08-31 | 2008-05-08 | 松下電器産業株式会社 | 音声符号化装置、音声復号化装置、通信装置及び音声符号化方法 |
| ATE531037T1 (de) * | 2006-02-14 | 2011-11-15 | France Telecom | Vorrichtung für wahrnehmungsgewichtung bei der tonkodierung/-dekodierung |
| CN100485342C (zh) * | 2006-03-03 | 2009-05-06 | 西安交通大学 | 机械故障的集成支持向量机混合智能诊断方法 |
| CN100561582C (zh) * | 2006-05-22 | 2009-11-18 | 上海奇码数字信息有限公司 | 音频解码器和音频解码方法 |
| CN101086845B (zh) * | 2006-06-08 | 2011-06-01 | 北京天籁传音数字技术有限公司 | 声音编码装置及方法以及声音解码装置及方法 |
| ATE463028T1 (de) * | 2006-09-13 | 2010-04-15 | Ericsson Telefon Ab L M | Verfahren und anordnungen für einen sprach- /audiosender und empfänger |
| JP2008139447A (ja) * | 2006-11-30 | 2008-06-19 | Mitsubishi Electric Corp | 音声符号化装置及び音声復号装置 |
| EP2077551B1 (en) * | 2008-01-04 | 2011-03-02 | Dolby Sweden AB | Audio encoder and decoder |
| EP2107556A1 (en) * | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
| CN101714379B (zh) * | 2008-10-08 | 2011-10-26 | 安凯(广州)微电子技术有限公司 | 一种音频重采样方法 |
| EP2409298B1 (en) * | 2009-03-17 | 2013-05-08 | Dolby International AB | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
| EP2471061B1 (en) * | 2009-10-08 | 2013-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping |
| MX2012004648A (es) * | 2009-10-20 | 2012-05-29 | Fraunhofer Ges Forschung | Codificacion de señal de audio, decodificador de señal de audio, metodo para codificar o decodificar una señal de audio utilizando una cancelacion del tipo aliasing. |
| EP2671323B1 (en) * | 2011-02-01 | 2016-10-05 | Huawei Technologies Co., Ltd. | Method and apparatus for providing signal processing coefficients |
| TWI563498B (en) * | 2011-02-14 | 2016-12-21 | Fraunhofer Ges Forschung | Apparatus and method for encoding an audio signal using an aligned look-ahead portion, and related computer program |
| CN102324229B (zh) * | 2011-09-08 | 2012-11-28 | 中国科学院自动化研究所 | 语音输入设备使用异常的检测方法及系统 |
| CN102324232A (zh) * | 2011-09-12 | 2012-01-18 | 辽宁工业大学 | 基于高斯混合模型的声纹识别方法及系统 |
| EP2761616A4 (en) * | 2011-10-18 | 2015-06-24 | Ericsson Telefon Ab L M | IMPROVED METHOD AND DEVICE FOR AN ADAPTIVE MULTIRATE CODEC |
| CN102419981B (zh) * | 2011-11-02 | 2013-04-03 | 展讯通信（上海）有限公司 | 音频信号时间尺度和频率尺度缩放处理方法及设备 |
| US9043201B2 (en) * | 2012-01-03 | 2015-05-26 | Google Technology Holdings LLC | Method and apparatus for processing audio frames to transition between different codecs |
| CN103227917B (zh) * | 2012-01-31 | 2016-12-14 | 华为技术有限公司 | 解码方法和装置 |
| US20130211846A1 (en) * | 2012-02-14 | 2013-08-15 | Motorola Mobility, Inc. | All-pass filter phase linearization of elliptic filters in signal decimation and interpolation for an audio codec |
| EP2830056A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
| FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
| US9620134B2 (en) * | 2013-10-10 | 2017-04-11 | Qualcomm Incorporated | Gain shape estimation for improved tracking of high-band temporal characteristics |
| US10083708B2 (en) * | 2013-10-11 | 2018-09-25 | Qualcomm Incorporated | Estimation of mixing factors to generate high-band excitation signal |
| WO2015077641A1 (en) * | 2013-11-22 | 2015-05-28 | Qualcomm Incorporated | Selective phase compensation in high band coding |
| US20150149157A1 (en) * | 2013-11-22 | 2015-05-28 | Qualcomm Incorporated | Frequency domain gain shape estimation |
| 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 |
| FR3023036A1 (fr) * | 2014-06-27 | 2016-01-01 | Orange | Re-echantillonnage par interpolation d'un signal audio pour un codage / decodage a bas retard |
| US10236006B1 (en) * | 2016-08-05 | 2019-03-19 | Digimarc Corporation | Digital watermarks adapted to compensate for time scaling, pitch shifting and mixing |
-
2013
- 2013-09-30 FR FR1359456A patent/FR3011408A1/fr active Pending
-
2014
- 2014-09-26 CN CN201480053813.5A patent/CN105684078B/zh active Active
- 2014-09-26 EP EP14796207.0A patent/EP3053163B1/fr active Active
- 2014-09-26 PL PL14796207.0T patent/PL3053163T3/pl unknown
- 2014-09-26 LT LTEPPCT/FR2014/052430T patent/LT3053163T/lt unknown
- 2014-09-26 RS RS20230078A patent/RS63936B1/sr unknown
- 2014-09-26 MX MX2018001704A patent/MX376858B/es unknown
- 2014-09-26 HR HRP20230101TT patent/HRP20230101T1/hr unknown
- 2014-09-26 HU HUE14796207A patent/HUE061442T2/hu unknown
- 2014-09-26 FI FIEP17206561.7T patent/FI3330964T3/fi active
- 2014-09-26 BR BR112016006447-0A patent/BR112016006447B1/pt active IP Right Grant
- 2014-09-26 PT PT172065617T patent/PT3330964T/pt unknown
- 2014-09-26 KR KR1020177024336A patent/KR102505502B1/ko active Active
- 2014-09-26 HU HUE17206561A patent/HUE061430T2/hu unknown
- 2014-09-26 PL PL17206561.7T patent/PL3330964T3/pl unknown
- 2014-09-26 JP JP2016518091A patent/JP6559658B2/ja active Active
- 2014-09-26 SI SI201432007T patent/SI3053163T1/sl unknown
- 2014-09-26 WO PCT/FR2014/052430 patent/WO2015044609A1/fr not_active Ceased
- 2014-09-26 ES ES14796207T patent/ES2934671T3/es active Active
- 2014-09-26 LT LTEP17206561.7T patent/LT3330964T/lt unknown
- 2014-09-26 RU RU2017144520A patent/RU2756042C2/ru active
- 2014-09-26 MX MX2016003902A patent/MX355959B/es active IP Right Grant
- 2014-09-26 SM SM20230037T patent/SMT202300037T1/it unknown
- 2014-09-26 DK DK14796207.0T patent/DK3053163T3/da active
- 2014-09-26 EP EP17206561.7A patent/EP3330964B1/fr active Active
- 2014-09-26 DK DK17206561.7T patent/DK3330964T3/da active
- 2014-09-26 US US15/025,138 patent/US10403296B2/en active Active
- 2014-09-26 RS RS20230080A patent/RS63937B1/sr unknown
- 2014-09-26 PT PT147962070T patent/PT3053163T/pt unknown
- 2014-09-26 CN CN201710730282.4A patent/CN107481726B/zh active Active
- 2014-09-26 KR KR1020217037252A patent/KR102505501B1/ko active Active
- 2014-09-26 BR BR122017018551-9A patent/BR122017018551B1/pt active IP Right Grant
- 2014-09-26 KR KR1020167011201A patent/KR20160061420A/ko not_active Ceased
- 2014-09-26 HR HRP20230094TT patent/HRP20230094T1/hr unknown
- 2014-09-26 RU RU2016117073A patent/RU2679228C2/ru active
- 2014-09-26 FI FIEP14796207.0T patent/FI3053163T3/fi active
- 2014-09-26 ES ES17206561T patent/ES2935337T3/es active Active
- 2014-09-26 KR KR1020227046263A patent/KR102638785B1/ko active Active
- 2014-09-26 KR KR1020217037251A patent/KR102514983B1/ko active Active
- 2014-09-26 SM SM20230038T patent/SMT202300038T1/it unknown
- 2014-09-26 SI SI201432006T patent/SI3330964T1/sl unknown
-
2016
- 2016-04-29 ZA ZA2016/02919A patent/ZA201602919B/en unknown
-
2017
- 2017-07-27 JP JP2017145793A patent/JP6559741B2/ja active Active
- 2017-08-04 US US15/668,922 patent/US10566004B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040230427A1 (en) * | 2000-09-08 | 2004-11-18 | Derk Reefman | Audio signal compression |
| CA2397080A1 (en) * | 2001-08-07 | 2003-02-07 | Dspfactory Ltd. | Sub-band adaptive signal processing in an oversampled filterbank |
| US20080288094A1 (en) * | 2004-07-23 | 2008-11-20 | Mitsugi Fukushima | Auto Signal Output Device |
| US20120065753A1 (en) * | 2009-02-03 | 2012-03-15 | Samsung Electronics Co., Ltd. | Audio signal encoding and decoding method, and apparatus for same |
| RU2494478C1 (ru) * | 2009-10-21 | 2013-09-27 | Долби Интернешнл Аб | Передискретизация в комбинированном банке фильтров транспозитора |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2756042C2 (ru) | Передискретизация звукового сигнала для кодирования/декодирования с малой задержкой | |
| RU2386179C2 (ru) | Способ и устройство для кодирования речевых сигналов с расщеплением полосы | |
| JP3954495B2 (ja) | 適応ろ波による高周波復元符号化方法の知覚性能の強化方法 | |
| JP2016541004A5 (enExample) | ||
| RU2677453C2 (ru) | Способы, кодер и декодер для линейного прогнозирующего кодирования и декодирования звуковых сигналов после перехода между кадрами, имеющими различные частоты дискретизации | |
| JP2017526950A (ja) | 低遅延符号化／復号のための補間による音声信号のリサンプリング | |
| KR20090039659A (ko) | 전대역 오디오 파형의 외삽법에 기초한 부분대역 예측코딩에 대한 패킷 손실 은닉 기법 | |
| JP3268360B2 (ja) | 改良されたロングターム予測器を有するデジタル音声コーダ | |
| US9940943B2 (en) | Resampling of an audio signal interrupted with a variable sampling frequency according to the frame | |
| RU2675216C1 (ru) | Переход от кодирования/декодирования с преобразованием к кодированию/декодированию с предсказанием | |
| CA3162808C (en) | Improved harmonic transposition | |
| MX2008009527A (en) | Efficient filtering with a complex modulated filterbank |