MX347316B - Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación. - Google Patents
Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación.Info
- Publication number
- MX347316B MX347316B MX2015009749A MX2015009749A MX347316B MX 347316 B MX347316 B MX 347316B MX 2015009749 A MX2015009749 A MX 2015009749A MX 2015009749 A MX2015009749 A MX 2015009749A MX 347316 B MX347316 B MX 347316B
- Authority
- MX
- Mexico
- Prior art keywords
- audio signal
- synthesizing
- decoder
- encoder
- computer program
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 4
- 230000002194 synthesizing effect Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000004590 computer program Methods 0.000 title 1
- 230000003595 spectral effect Effects 0.000 abstract 3
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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
- G10L19/26—Pre-filtering or post-filtering
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Abstract
Se describen un método y un aparato para sintetizar una señal de audio. Se aplica una pendiente espectral al código de un libro de códigos (202) utilizado para sintetizar una trama actual de la señal de audio. La pendiente espectral está basada en la pendiente espectral de la trama actual de la señal de audio. Asimismo, se describe un decodificador de audio que opera de acuerdo con el enfoque de la invención.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361758098P | 2013-01-29 | 2013-01-29 | |
PCT/EP2014/051592 WO2014118156A1 (en) | 2013-01-29 | 2014-01-28 | Apparatus and method for synthesizing an audio signal, decoder, encoder, system and computer program |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015009749A MX2015009749A (es) | 2015-11-06 |
MX347316B true MX347316B (es) | 2017-04-21 |
Family
ID=50033504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015009749A MX347316B (es) | 2013-01-29 | 2014-01-28 | Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación. |
Country Status (20)
Country | Link |
---|---|
US (3) | US10431232B2 (es) |
EP (1) | EP2951819B1 (es) |
JP (1) | JP6082126B2 (es) |
KR (1) | KR101737254B1 (es) |
CN (1) | CN105009210B (es) |
AR (1) | AR094683A1 (es) |
AU (1) | AU2014211524B2 (es) |
BR (1) | BR112015018023B1 (es) |
CA (1) | CA2899059C (es) |
ES (1) | ES2626977T3 (es) |
HK (1) | HK1217564A1 (es) |
MX (1) | MX347316B (es) |
MY (1) | MY183444A (es) |
PL (1) | PL2951819T3 (es) |
PT (1) | PT2951819T (es) |
RU (1) | RU2618919C2 (es) |
SG (1) | SG11201505903UA (es) |
TW (1) | TWI544481B (es) |
WO (1) | WO2014118156A1 (es) |
ZA (1) | ZA201506318B (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2626977T3 (es) * | 2013-01-29 | 2017-07-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato, procedimiento y medio informático para sintetizar una señal de audio |
Family Cites Families (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5664055A (en) * | 1995-06-07 | 1997-09-02 | Lucent Technologies Inc. | CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity |
JP3522012B2 (ja) * | 1995-08-23 | 2004-04-26 | 沖電気工業株式会社 | コード励振線形予測符号化装置 |
US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
US6385573B1 (en) * | 1998-08-24 | 2002-05-07 | Conexant Systems, Inc. | Adaptive tilt compensation for synthesized speech residual |
US6480822B2 (en) * | 1998-08-24 | 2002-11-12 | Conexant Systems, Inc. | Low complexity random codebook structure |
US6240386B1 (en) * | 1998-08-24 | 2001-05-29 | Conexant Systems, Inc. | Speech codec employing noise classification for noise compensation |
US6463410B1 (en) * | 1998-10-13 | 2002-10-08 | Victor Company Of Japan, Ltd. | Audio signal processing apparatus |
CA2252170A1 (en) * | 1998-10-27 | 2000-04-27 | Bruno Bessette | A method and device for high quality coding of wideband speech and audio signals |
US6242748B1 (en) | 1999-08-10 | 2001-06-05 | Edax, Inc. | Methods and apparatus for mounting an X-ray detecting unit to an electron microscope |
US6782360B1 (en) * | 1999-09-22 | 2004-08-24 | Mindspeed Technologies, Inc. | Gain quantization for a CELP speech coder |
US6678651B2 (en) * | 2000-09-15 | 2004-01-13 | Mindspeed Technologies, Inc. | Short-term enhancement in CELP speech coding |
US6996523B1 (en) | 2001-02-13 | 2006-02-07 | Hughes Electronics Corporation | Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system |
CN1320966C (zh) | 2002-05-20 | 2007-06-13 | 松下电器产业株式会社 | 清洗方法及清洗装置 |
US20060089836A1 (en) * | 2004-10-21 | 2006-04-27 | Motorola, Inc. | System and method of signal pre-conditioning with adaptive spectral tilt compensation for audio equalization |
US7475103B2 (en) | 2005-03-17 | 2009-01-06 | Qualcomm Incorporated | Efficient check node message transform approximation for LDPC decoder |
AU2006232364B2 (en) * | 2005-04-01 | 2010-11-25 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband speech coding |
TWI317933B (en) * | 2005-04-22 | 2009-12-01 | Qualcomm Inc | Methods, data storage medium,apparatus of signal processing,and cellular telephone including the same |
EP1722360B1 (en) | 2005-05-13 | 2014-03-19 | Harman Becker Automotive Systems GmbH | Audio enhancement system and method |
US7454335B2 (en) * | 2006-03-20 | 2008-11-18 | Mindspeed Technologies, Inc. | Method and system for reducing effects of noise producing artifacts in a voice codec |
US8725499B2 (en) * | 2006-07-31 | 2014-05-13 | Qualcomm Incorporated | Systems, methods, and apparatus for signal change detection |
EP2063418A4 (en) * | 2006-09-15 | 2010-12-15 | Panasonic Corp | AUDIO CODING DEVICE AND AUDIO CODING METHOD |
RU2439721C2 (ru) * | 2007-06-11 | 2012-01-10 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | Аудиокодер для кодирования аудиосигнала, имеющего импульсоподобную и стационарную составляющие, способы кодирования, декодер, способ декодирования и кодированный аудиосигнал |
US8209190B2 (en) * | 2007-10-25 | 2012-06-26 | Motorola Mobility, Inc. | Method and apparatus for generating an enhancement layer within an audio coding system |
CA2699316C (en) * | 2008-07-11 | 2014-03-18 | Max Neuendorf | Apparatus and method for calculating bandwidth extension data using a spectral tilt controlled framing |
ES2453098T3 (es) * | 2009-10-20 | 2014-04-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Códec multimodo de audio |
AU2011241424B2 (en) * | 2010-04-14 | 2016-05-05 | Voiceage Evs Llc | Flexible and scalable combined innovation codebook for use in CELP coder and decoder |
US9294060B2 (en) * | 2010-05-25 | 2016-03-22 | Nokia Technologies Oy | Bandwidth extender |
US8600737B2 (en) * | 2010-06-01 | 2013-12-03 | Qualcomm Incorporated | Systems, methods, apparatus, and computer program products for wideband speech coding |
US9706314B2 (en) * | 2010-11-29 | 2017-07-11 | Wisconsin Alumni Research Foundation | System and method for selective enhancement of speech signals |
JP5328883B2 (ja) * | 2011-12-02 | 2013-10-30 | パナソニック株式会社 | Celp型音声復号化装置およびcelp型音声復号化方法 |
EP3067890B1 (en) * | 2013-01-29 | 2018-01-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension |
ES2626977T3 (es) * | 2013-01-29 | 2017-07-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato, procedimiento y medio informático para sintetizar una señal de audio |
RU2648953C2 (ru) * | 2013-01-29 | 2018-03-28 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Наполнение шумом без побочной информации для celp-подобных кодеров |
CN110223704B (zh) * | 2013-01-29 | 2023-09-15 | 弗劳恩霍夫应用研究促进协会 | 对音频信号的频谱执行噪声填充的装置 |
US9842598B2 (en) * | 2013-02-21 | 2017-12-12 | Qualcomm Incorporated | Systems and methods for mitigating potential frame instability |
MX355091B (es) * | 2013-10-18 | 2018-04-04 | Fraunhofer Ges Forschung | Concepto para codificar una señal de audio y decodificar una señal de audio usando información de conformación espectral relacionada con la voz. |
KR20160070147A (ko) * | 2013-10-18 | 2016-06-17 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 결정론적 및 잡음 유사 정보를 사용하는 오디오 신호의 인코딩 및 오디오 신호의 디코딩을 위한 개념 |
CN104751849B (zh) * | 2013-12-31 | 2017-04-19 | 华为技术有限公司 | 语音频码流的解码方法及装置 |
FR3017484A1 (fr) * | 2014-02-07 | 2015-08-14 | Orange | Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences |
US9672843B2 (en) * | 2014-05-29 | 2017-06-06 | Apple Inc. | Apparatus and method for improving an audio signal in the spectral domain |
US9373342B2 (en) * | 2014-06-23 | 2016-06-21 | Nuance Communications, Inc. | System and method for speech enhancement on compressed speech |
CN106228991B (zh) * | 2014-06-26 | 2019-08-20 | 华为技术有限公司 | 编解码方法、装置及*** |
CN106486129B (zh) * | 2014-06-27 | 2019-10-25 | 华为技术有限公司 | 一种音频编码方法和装置 |
-
2014
- 2014-01-28 ES ES14702511.8T patent/ES2626977T3/es active Active
- 2014-01-28 EP EP14702511.8A patent/EP2951819B1/en active Active
- 2014-01-28 MY MYPI2015001903A patent/MY183444A/en unknown
- 2014-01-28 AU AU2014211524A patent/AU2014211524B2/en active Active
- 2014-01-28 PT PT147025118T patent/PT2951819T/pt unknown
- 2014-01-28 SG SG11201505903UA patent/SG11201505903UA/en unknown
- 2014-01-28 MX MX2015009749A patent/MX347316B/es active IP Right Grant
- 2014-01-28 WO PCT/EP2014/051592 patent/WO2014118156A1/en active Application Filing
- 2014-01-28 JP JP2015554194A patent/JP6082126B2/ja active Active
- 2014-01-28 CN CN201480006383.1A patent/CN105009210B/zh active Active
- 2014-01-28 KR KR1020157023505A patent/KR101737254B1/ko active IP Right Grant
- 2014-01-28 PL PL14702511T patent/PL2951819T3/pl unknown
- 2014-01-28 RU RU2015136788A patent/RU2618919C2/ru active
- 2014-01-28 CA CA2899059A patent/CA2899059C/en active Active
- 2014-01-28 BR BR112015018023-0A patent/BR112015018023B1/pt active IP Right Grant
- 2014-01-29 AR ARP140100299A patent/AR094683A1/es active IP Right Grant
- 2014-01-29 TW TW103103523A patent/TWI544481B/zh active
-
2015
- 2015-07-28 US US14/811,386 patent/US10431232B2/en active Active
- 2015-08-28 ZA ZA2015/06318A patent/ZA201506318B/en unknown
-
2016
- 2016-05-11 HK HK16105397.0A patent/HK1217564A1/zh unknown
-
2019
- 2019-08-23 US US16/549,878 patent/US11373664B2/en active Active
-
2022
- 2022-05-27 US US17/827,316 patent/US11996110B2/en active Active
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX2015016892A (es) | Aparato y metodo para realizar un desvanecimiento de un espectro mdct a ruido blanco antes de aplicar fdns. | |
MX2019009765A (es) | Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente. | |
MX2016000924A (es) | Codificacion de audio, decodificador de audio y metodos relacionados que usan procesamiento de dos canales dentro de un marco de relleno inteligente de espacios. | |
MY188538A (en) | Decoding device, method, and program | |
MX2022013535A (es) | Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. | |
MY192214A (en) | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal | |
MY170368A (en) | Method and apparatus for controlling audio frame loss concealment | |
MY195412A (en) | Multi-Channel Audio Decoder, Multi-Channel Audio Encoder, Methods, Computer Program and Encoded Audio Representation Using a Decorrelation of Rendered Audio Signals | |
MY185176A (en) | Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension | |
MX2017016228A (es) | Aparato codificador, metodo de codificacion, aparato decodificador, metodo de decodificacion, y programa. | |
MY196084A (en) | Audio Encoder And Decoder | |
MX360729B (es) | Decodificador de audio, método y programa de computación que utiliza una respuesta de entrada cero para obtener una transición suave. | |
NZ723532A (en) | Apparatus and methods of switching coding technologies at a device | |
MY193553A (en) | Audio coding method and related apparatus | |
MY183444A (en) | Apparatus and method for synthesizing an audio signal, decoder, encoder, system and computer program | |
MY172712A (en) | Apparatus and method for processing an encoded signal and encoder and method for generating an encoded signal | |
TH167745A (th) | วิธีการเขียนรหัสโสตและชุดเครื่องที่เกี่ยวข้อง |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration |