AR076060A1 - Esquema de codificacion / decodificacion de audio conmutado de resolucion multiple - Google Patents
Esquema de codificacion / decodificacion de audio conmutado de resolucion multipleInfo
- Publication number
- AR076060A1 AR076060A1 ARP090103876A ARP090103876A AR076060A1 AR 076060 A1 AR076060 A1 AR 076060A1 AR P090103876 A ARP090103876 A AR P090103876A AR P090103876 A ARP090103876 A AR P090103876A AR 076060 A1 AR076060 A1 AR 076060A1
- Authority
- AR
- Argentina
- Prior art keywords
- signal
- encoder
- time
- branch
- audio
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 2
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
- 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
-
- 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
- G10L19/02—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
- G10L19/04—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
- 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
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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10382508P | 2008-10-08 | 2008-10-08 | |
| EP08017663 | 2008-10-08 | ||
| EP09002271A EP2144230A1 (en) | 2008-07-11 | 2009-02-18 | Low bitrate audio encoding/decoding scheme having cascaded switches |
| PCT/EP2009/007205 WO2010040522A2 (en) | 2008-10-08 | 2009-10-07 | Multi-resolution switched audio encoding/decoding scheme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR076060A1 true AR076060A1 (es) | 2011-05-18 |
Family
ID=42101010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP090103876A AR076060A1 (es) | 2008-10-08 | 2009-10-08 | Esquema de codificacion / decodificacion de audio conmutado de resolucion multiple |
Country Status (14)
| Country | Link |
|---|---|
| EP (2) | EP3640941A1 (zh) |
| JP (1) | JP5555707B2 (zh) |
| KR (3) | KR101403115B1 (zh) |
| CN (1) | CN102177426B (zh) |
| AR (1) | AR076060A1 (zh) |
| BR (1) | BRPI0914056B1 (zh) |
| CA (1) | CA2739736C (zh) |
| CO (1) | CO6362072A2 (zh) |
| MX (1) | MX2011003824A (zh) |
| MY (1) | MY154633A (zh) |
| RU (1) | RU2520402C2 (zh) |
| TW (2) | TWI520128B (zh) |
| WO (1) | WO2010040522A2 (zh) |
| ZA (1) | ZA201102537B (zh) |
Families Citing this family (64)
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|---|---|---|---|---|
| US8892427B2 (en) | 2009-07-27 | 2014-11-18 | Industry-Academic Cooperation Foundation, Yonsei University | Method and an apparatus for processing an audio signal |
| CN102498515B (zh) * | 2009-09-17 | 2014-06-18 | 延世大学工业学术合作社 | 处理音频信号的方法和设备 |
| TW201214415A (en) * | 2010-05-28 | 2012-04-01 | Fraunhofer Ges Forschung | Low-delay unified speech and audio codec |
| US9275650B2 (en) | 2010-06-14 | 2016-03-01 | Panasonic Corporation | Hybrid audio encoder and hybrid audio decoder which perform coding or decoding while switching between different codecs |
| CA3160488C (en) | 2010-07-02 | 2023-09-05 | Dolby International Ab | Audio decoding with selective post filtering |
| CA2806000C (en) | 2010-07-20 | 2016-07-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an optimized hash table |
| MY164797A (en) | 2011-02-14 | 2018-01-30 | Fraunhofer Ges Zur Foederung Der Angewandten Forschung E V | Apparatus and method for processing a decoded audio signal in a spectral domain |
| BR112012029132B1 (pt) | 2011-02-14 | 2021-10-05 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V | Representação de sinal de informações utilizando transformada sobreposta |
| MY159444A (en) * | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
| PT2676267T (pt) | 2011-02-14 | 2017-09-26 | Fraunhofer Ges Forschung | Codificação e descodificação de posições de pulso de faixas de um sinal de áudio |
| CA2903681C (en) | 2011-02-14 | 2017-03-28 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Audio codec using noise synthesis during inactive phases |
| CN103620672B (zh) | 2011-02-14 | 2016-04-27 | 弗劳恩霍夫应用研究促进协会 | 用于低延迟联合语音及音频编码(usac)中的错误隐藏的装置和方法 |
| EP2676266B1 (en) | 2011-02-14 | 2015-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Linear prediction based coding scheme using spectral domain noise shaping |
| AU2012217216B2 (en) | 2011-02-14 | 2015-09-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| KR101624019B1 (ko) | 2011-02-14 | 2016-06-07 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 코덱에서 잡음 생성 |
| EP4243017A3 (en) | 2011-02-14 | 2023-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method decoding an audio signal using an aligned look-ahead portion |
| RU2606552C2 (ru) | 2011-04-21 | 2017-01-10 | Самсунг Электроникс Ко., Лтд. | Устройство для квантования коэффициентов кодирования с линейным предсказанием, устройство кодирования звука, устройство для деквантования коэффициентов кодирования с линейным предсказанием, устройство декодирования звука и электронное устройство для этого |
| EP2700173A4 (en) | 2011-04-21 | 2014-05-28 | Samsung Electronics Co Ltd | METHOD FOR QUANTIFYING LINEAR PREDICTIVE ENCODING COEFFICIENTS, METHOD FOR SOUND ENCODING, METHOD FOR DEQUANTIFYING LINEAR PREDICTIVE ENCODING COEFFICIENTS, METHOD FOR DECODING SOUND, AND RECORDING MEDIUM |
| BR112013033900B1 (pt) * | 2011-06-30 | 2022-03-15 | Samsung Electronics Co., Ltd | Método para gerar um sinal estendido de largura de banda para decodificação de áudio |
| ES2805308T3 (es) | 2011-11-03 | 2021-02-11 | Voiceage Evs Llc | Mejora del contenido insonoro para decodificador CELP de tasa baja |
| US9043201B2 (en) * | 2012-01-03 | 2015-05-26 | Google Technology Holdings LLC | Method and apparatus for processing audio frames to transition between different codecs |
| WO2013168414A1 (ja) * | 2012-05-11 | 2013-11-14 | パナソニック株式会社 | 音信号ハイブリッドエンコーダ、音信号ハイブリッドデコーダ、音信号符号化方法、及び音信号復号方法 |
| SG11201503788UA (en) | 2012-11-13 | 2015-06-29 | Samsung Electronics Co Ltd | Method and apparatus for determining encoding mode, method and apparatus for encoding audio signals, and method and apparatus for decoding audio signals |
| PT2936486T (pt) | 2012-12-21 | 2018-10-19 | Fraunhofer Ges Forschung | Adição de ruído de conforto para modelagem do ruído de fundo em baixas taxas de bits |
| RU2650025C2 (ru) | 2012-12-21 | 2018-04-06 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Генерирование комфортного шума с высоким спектрально-временным разрешением при прерывистой передаче аудиосигналов |
| CN109448745B (zh) * | 2013-01-07 | 2021-09-07 | 中兴通讯股份有限公司 | 一种编码模式切换方法和装置、解码模式切换方法和装置 |
| WO2014118192A2 (en) | 2013-01-29 | 2014-08-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling without side information for celp-like coders |
| RU2660605C2 (ru) | 2013-01-29 | 2018-07-06 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Концепция заполнения шумом |
| PL2951815T3 (pl) * | 2013-01-29 | 2018-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodery audio, dekodery audio, systemy, sposoby i programy komputerowe wykorzystujące zwiększoną rozdzielczość czasową w otoczeniu czasowym początków lub końców spółgłosek szczelinowych lub spółgłosek zwarto-szczelinowych |
| MY172712A (en) * | 2013-01-29 | 2019-12-11 | Fraunhofer Ges Forschung | Apparatus and method for processing an encoded signal and encoder and method for generating an encoded signal |
| MX346944B (es) | 2013-01-29 | 2017-04-06 | Fraunhofer Ges Forschung | Aparato y metodo para generar una señal de frecuencia reforzada mediante la suavizacion temporal de las subbandas. |
| US9786286B2 (en) | 2013-03-29 | 2017-10-10 | Dolby Laboratories Licensing Corporation | Methods and apparatuses for generating and using low-resolution preview tracks with high-quality encoded object and multichannel audio signals |
| EP2804176A1 (en) * | 2013-05-13 | 2014-11-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio object separation from mixture signal using object-specific time/frequency resolutions |
| EP3961622B1 (en) | 2013-05-24 | 2023-11-01 | Dolby International AB | Audio encoder |
| EP2830058A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequency-domain audio coding supporting transform length switching |
| TWI557726B (zh) * | 2013-08-29 | 2016-11-11 | 杜比國際公司 | 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法 |
| 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 |
| EP2980791A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions |
| CN106448688B (zh) * | 2014-07-28 | 2019-11-05 | 华为技术有限公司 | 音频编码方法及相关装置 |
| JPWO2016052191A1 (ja) * | 2014-09-30 | 2017-07-20 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
| EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
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| RU2729603C2 (ru) | 2015-09-25 | 2020-08-11 | Войсэйдж Корпорейшн | Способ и система для кодирования стереофонического звукового сигнала с использованием параметров кодирования первичного канала для кодирования вторичного канала |
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| CN105632542B (zh) * | 2015-12-23 | 2019-05-28 | 小米科技有限责任公司 | 音频播放方法及装置 |
| US9959877B2 (en) * | 2016-03-18 | 2018-05-01 | Qualcomm Incorporated | Multi channel coding |
| FI3696813T3 (fi) | 2016-04-12 | 2023-01-31 | Audiokooderi audiosignaalin koodaamiseksi, menetelmä audiosignaalin koodaamiseksi ja tietokoneohjelma havaitulla huippuspektrialeella tarkastettuna ylemmällä taajuuskaistalla | |
| US10362423B2 (en) | 2016-10-13 | 2019-07-23 | Qualcomm Incorporated | Parametric audio decoding |
| CN107404625B (zh) * | 2017-07-18 | 2020-10-16 | 海信视像科技股份有限公司 | 终端的音效处理方法及装置 |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483884A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
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2009
- 2009-10-07 RU RU2011117699/08A patent/RU2520402C2/ru active
- 2009-10-07 CN CN200980140055.XA patent/CN102177426B/zh active Active
- 2009-10-07 KR KR1020117010644A patent/KR101403115B1/ko active IP Right Grant
- 2009-10-07 JP JP2011530415A patent/JP5555707B2/ja active Active
- 2009-10-07 TW TW102120721A patent/TWI520128B/zh active
- 2009-10-07 MX MX2011003824A patent/MX2011003824A/es active IP Right Grant
- 2009-10-07 EP EP19213835.2A patent/EP3640941A1/en not_active Ceased
- 2009-10-07 EP EP09736835A patent/EP2345030A2/en not_active Ceased
- 2009-10-07 TW TW098133982A patent/TWI419148B/zh active
- 2009-10-07 KR KR1020137011185A patent/KR20130069833A/ko not_active Application Discontinuation
- 2009-10-07 MY MYPI2011001560A patent/MY154633A/en unknown
- 2009-10-07 BR BRPI0914056-5A patent/BRPI0914056B1/pt active IP Right Grant
- 2009-10-07 CA CA2739736A patent/CA2739736C/en active Active
- 2009-10-07 KR KR1020137031257A patent/KR20130133917A/ko not_active Application Discontinuation
- 2009-10-07 WO PCT/EP2009/007205 patent/WO2010040522A2/en active Application Filing
- 2009-10-08 AR ARP090103876A patent/AR076060A1/es active IP Right Grant
-
2011
- 2011-04-06 ZA ZA2011/02537A patent/ZA201102537B/en unknown
- 2011-05-06 CO CO11055712A patent/CO6362072A2/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CA2739736A1 (en) | 2010-04-15 |
| KR20130069833A (ko) | 2013-06-26 |
| JP2012505423A (ja) | 2012-03-01 |
| EP3640941A1 (en) | 2020-04-22 |
| WO2010040522A2 (en) | 2010-04-15 |
| WO2010040522A3 (en) | 2010-09-02 |
| KR20130133917A (ko) | 2013-12-09 |
| BRPI0914056A2 (pt) | 2015-11-03 |
| AU2009301358A1 (en) | 2010-04-15 |
| CA2739736C (en) | 2015-12-01 |
| TW201142827A (en) | 2011-12-01 |
| CN102177426B (zh) | 2014-11-05 |
| TWI520128B (zh) | 2016-02-01 |
| MX2011003824A (es) | 2011-05-02 |
| CN102177426A (zh) | 2011-09-07 |
| AU2009301358A8 (en) | 2011-05-26 |
| JP5555707B2 (ja) | 2014-07-23 |
| MY154633A (en) | 2015-07-15 |
| TW201344679A (zh) | 2013-11-01 |
| BRPI0914056B1 (pt) | 2019-07-02 |
| RU2011117699A (ru) | 2012-11-10 |
| EP2345030A2 (en) | 2011-07-20 |
| KR20110081291A (ko) | 2011-07-13 |
| CO6362072A2 (es) | 2012-01-20 |
| ZA201102537B (en) | 2011-12-28 |
| TWI419148B (zh) | 2013-12-11 |
| RU2520402C2 (ru) | 2014-06-27 |
| KR101403115B1 (ko) | 2014-06-27 |
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