RU2618848C2 - Устройство и способ для выбора одного из первого алгоритма кодирования аудио и второго алгоритма кодирования аудио - Google Patents
Устройство и способ для выбора одного из первого алгоритма кодирования аудио и второго алгоритма кодирования аудио Download PDFInfo
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- RU2618848C2 RU2618848C2 RU2015136467A RU2015136467A RU2618848C2 RU 2618848 C2 RU2618848 C2 RU 2618848C2 RU 2015136467 A RU2015136467 A RU 2015136467A RU 2015136467 A RU2015136467 A RU 2015136467A RU 2618848 C2 RU2618848 C2 RU 2618848C2
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- 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
- G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
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- 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
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- 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
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- G—PHYSICS
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- 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
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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- G—PHYSICS
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- 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
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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
- G10L19/04—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
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- Engineering & Computer Science (AREA)
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- Health & Medical Sciences (AREA)
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- Audiology, Speech & Language Pathology (AREA)
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- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Spectroscopy & Molecular Physics (AREA)
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201361758100P | 2013-01-29 | 2013-01-29 | |
US61/758,100 | 2013-01-29 | ||
PCT/EP2014/051557 WO2014118136A1 (en) | 2013-01-29 | 2014-01-28 | Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm |
Publications (2)
Publication Number | Publication Date |
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RU2015136467A RU2015136467A (ru) | 2017-03-07 |
RU2618848C2 true RU2618848C2 (ru) | 2017-05-12 |
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RU2015136467A RU2618848C2 (ru) | 2013-01-29 | 2014-01-28 | Устройство и способ для выбора одного из первого алгоритма кодирования аудио и второго алгоритма кодирования аудио |
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Families Citing this family (8)
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MX347410B (es) * | 2013-01-29 | 2017-04-26 | Fraunhofer Ges Forschung | Aparato y metodo para seleccionar uno de un primer algoritmo de codificacion y un segundo algoritmo de codificacion. |
EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
CN107452390B (zh) | 2014-04-29 | 2021-10-26 | 华为技术有限公司 | 音频编码方法及相关装置 |
SG11201509526SA (en) | 2014-07-28 | 2017-04-27 | Fraunhofer Ges Forschung | Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction |
JP2016218345A (ja) * | 2015-05-25 | 2016-12-22 | ヤマハ株式会社 | 音素材処理装置および音素材処理プログラム |
WO2017050398A1 (en) * | 2015-09-25 | 2017-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding |
US10225730B2 (en) * | 2016-06-24 | 2019-03-05 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio sensor selection in an audience measurement device |
CN112105902B (zh) * | 2018-04-11 | 2022-07-22 | 杜比实验室特许公司 | 基于机器学习的用于音频编码和解码的基于感知的损失函数 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7020615B2 (en) * | 2000-11-03 | 2006-03-28 | Koninklijke Philips Electronics N.V. | Method and apparatus for audio coding using transient relocation |
RU2335809C2 (ru) * | 2004-02-13 | 2008-10-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодирование |
EP1990799A1 (en) * | 2006-06-30 | 2008-11-12 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
RU2393552C2 (ru) * | 2004-09-17 | 2010-06-27 | Конинклейке Филипс Электроникс Н.В. | Комбинированное аудиокодирование, минимизирующее воспринимаемое искажение |
US7873511B2 (en) * | 2006-06-30 | 2011-01-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
WO2011048118A1 (en) * | 2009-10-20 | 2011-04-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications |
WO2012110448A1 (en) * | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6934676B2 (en) * | 2001-05-11 | 2005-08-23 | Nokia Mobile Phones Ltd. | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
DE10124420C1 (de) * | 2001-05-18 | 2002-11-28 | Siemens Ag | Verfahren zur Codierung und zur Übertragung von Sprachsignalen |
CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
FI118835B (fi) | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
FI119533B (fi) * | 2004-04-15 | 2008-12-15 | Nokia Corp | Audiosignaalien koodaus |
US7739120B2 (en) | 2004-05-17 | 2010-06-15 | Nokia Corporation | Selection of coding models for encoding an audio signal |
CN1954364B (zh) * | 2004-05-17 | 2011-06-01 | 诺基亚公司 | 带有不同编码帧长度的音频编码 |
JP2008519308A (ja) * | 2004-11-05 | 2008-06-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 信号特性を用いた効率的なオーディオ符号化 |
US7953595B2 (en) | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
JP4984983B2 (ja) * | 2007-03-09 | 2012-07-25 | 富士通株式会社 | 符号化装置および符号化方法 |
US8527265B2 (en) * | 2007-10-22 | 2013-09-03 | Qualcomm Incorporated | Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs |
EP2144230A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
EP2146344B1 (en) * | 2008-07-17 | 2016-07-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding/decoding scheme having a switchable bypass |
KR101649376B1 (ko) * | 2008-10-13 | 2016-08-31 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
AU2011300248B2 (en) * | 2010-09-10 | 2014-05-15 | Panasonic Corporation | Encoder apparatus and encoding method |
MX347410B (es) * | 2013-01-29 | 2017-04-26 | Fraunhofer Ges Forschung | Aparato y metodo para seleccionar uno de un primer algoritmo de codificacion y un segundo algoritmo de codificacion. |
SG11201509526SA (en) * | 2014-07-28 | 2017-04-27 | Fraunhofer Ges Forschung | Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction |
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2014
- 2014-01-28 MX MX2015009745A patent/MX347410B/es active IP Right Grant
- 2014-01-28 KR KR1020157020596A patent/KR101701081B1/ko active Active
- 2014-01-28 AU AU2014211583A patent/AU2014211583B2/en active Active
- 2014-01-28 PT PT147025050T patent/PT2951820T/pt unknown
- 2014-01-28 RU RU2015136467A patent/RU2618848C2/ru active
- 2014-01-28 WO PCT/EP2014/051557 patent/WO2014118136A1/en active Application Filing
- 2014-01-28 CN CN201910556401.8A patent/CN110517700B/zh active Active
- 2014-01-28 JP JP2015554187A patent/JP6148810B2/ja active Active
- 2014-01-28 CN CN201480019093.0A patent/CN105229736B/zh active Active
- 2014-01-28 PL PL14702505T patent/PL2951820T3/pl unknown
- 2014-01-28 SG SG11201505947XA patent/SG11201505947XA/en unknown
- 2014-01-28 MY MYPI2015001901A patent/MY189267A/en unknown
- 2014-01-28 EP EP14702505.0A patent/EP2951820B1/en active Active
- 2014-01-28 ES ES14702505.0T patent/ES2616434T3/es active Active
- 2014-01-28 CA CA2899013A patent/CA2899013C/en active Active
- 2014-01-28 BR BR112015018021-3A patent/BR112015018021B1/pt active IP Right Grant
- 2014-01-29 TW TW103103528A patent/TWI549120B/zh active
- 2014-01-29 AR ARP140100292A patent/AR094676A1/es active IP Right Grant
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2015
- 2015-07-29 US US14/812,138 patent/US20150332698A1/en not_active Abandoned
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2018
- 2018-10-01 US US16/148,993 patent/US10622000B2/en active Active
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2020
- 2020-03-31 US US16/836,857 patent/US11521631B2/en active Active
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2022
- 2022-11-23 US US18/058,389 patent/US11908485B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7020615B2 (en) * | 2000-11-03 | 2006-03-28 | Koninklijke Philips Electronics N.V. | Method and apparatus for audio coding using transient relocation |
RU2335809C2 (ru) * | 2004-02-13 | 2008-10-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодирование |
RU2393552C2 (ru) * | 2004-09-17 | 2010-06-27 | Конинклейке Филипс Электроникс Н.В. | Комбинированное аудиокодирование, минимизирующее воспринимаемое искажение |
EP1990799A1 (en) * | 2006-06-30 | 2008-11-12 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
US7873511B2 (en) * | 2006-06-30 | 2011-01-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
WO2011048118A1 (en) * | 2009-10-20 | 2011-04-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications |
WO2012110448A1 (en) * | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
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