WO2009110751A3 - 오디오 신호 처리 방법 및 장치 - Google Patents
오디오 신호 처리 방법 및 장치 Download PDFInfo
- Publication number
- WO2009110751A3 WO2009110751A3 PCT/KR2009/001081 KR2009001081W WO2009110751A3 WO 2009110751 A3 WO2009110751 A3 WO 2009110751A3 KR 2009001081 W KR2009001081 W KR 2009001081W WO 2009110751 A3 WO2009110751 A3 WO 2009110751A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- audio signal
- coding type
- linear prediction
- type
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009220341A AU2009220341B2 (en) | 2008-03-04 | 2009-03-04 | Method and apparatus for processing an audio signal |
EP09717694.5A EP2259254B1 (en) | 2008-03-04 | 2009-03-04 | Method and apparatus for processing an audio signal |
JP2010549573A JP5108960B2 (ja) | 2008-03-04 | 2009-03-04 | オーディオ信号処理方法及び装置 |
CN2009801136190A CN102007534B (zh) | 2008-03-04 | 2009-03-04 | 用于处理音频信号的方法和装置 |
ES09717694.5T ES2464722T3 (es) | 2008-03-04 | 2009-03-04 | Método y aparato para procesar una señal de audio |
CA2717584A CA2717584C (en) | 2008-03-04 | 2009-03-04 | Method and apparatus for processing an audio signal |
US12/497,119 US8135585B2 (en) | 2008-03-04 | 2009-07-02 | Method and an apparatus for processing a signal |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3371508P | 2008-03-04 | 2008-03-04 | |
US61/033,715 | 2008-03-04 | ||
US7876208P | 2008-07-07 | 2008-07-07 | |
US61/078,762 | 2008-07-07 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/497,119 Continuation US8135585B2 (en) | 2008-03-04 | 2009-07-02 | Method and an apparatus for processing a signal |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009110751A2 WO2009110751A2 (ko) | 2009-09-11 |
WO2009110751A3 true WO2009110751A3 (ko) | 2009-10-29 |
Family
ID=41056476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2009/001081 WO2009110751A2 (ko) | 2008-03-04 | 2009-03-04 | 오디오 신호 처리 방법 및 장치 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8135585B2 (ko) |
EP (1) | EP2259254B1 (ko) |
JP (1) | JP5108960B2 (ko) |
KR (1) | KR20100134623A (ko) |
CN (1) | CN102007534B (ko) |
AU (1) | AU2009220341B2 (ko) |
CA (1) | CA2717584C (ko) |
ES (1) | ES2464722T3 (ko) |
RU (1) | RU2452042C1 (ko) |
WO (1) | WO2009110751A2 (ko) |
Families Citing this family (25)
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US8781843B2 (en) * | 2007-10-15 | 2014-07-15 | Intellectual Discovery Co., Ltd. | Method and an apparatus for processing speech, audio, and speech/audio signal using mode information |
ES2396927T3 (es) * | 2008-07-11 | 2013-03-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y procedimiento para decodificar una señal de audio codificada |
JP5232121B2 (ja) * | 2009-10-02 | 2013-07-10 | 株式会社東芝 | 信号処理装置 |
US8447617B2 (en) * | 2009-12-21 | 2013-05-21 | Mindspeed Technologies, Inc. | Method and system for speech bandwidth extension |
KR101826331B1 (ko) | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
WO2012091464A1 (ko) | 2010-12-29 | 2012-07-05 | 삼성전자 주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
CN102610231B (zh) * | 2011-01-24 | 2013-10-09 | 华为技术有限公司 | 一种带宽扩展方法及装置 |
EP2758956B1 (en) | 2011-09-23 | 2021-03-10 | Digimarc Corporation | Context-based smartphone sensor logic |
CN103035248B (zh) * | 2011-10-08 | 2015-01-21 | 华为技术有限公司 | 音频信号编码方法和装置 |
CA2851370C (en) * | 2011-11-03 | 2019-12-03 | Voiceage Corporation | Improving non-speech content for low rate celp decoder |
CN102446509B (zh) * | 2011-11-22 | 2014-04-09 | 中兴通讯股份有限公司 | 增强抗丢包的音频编解码方法及系统 |
RU2725416C1 (ru) * | 2012-03-29 | 2020-07-02 | Телефонактиеболагет Лм Эрикссон (Пабл) | Расширение полосы частот гармонического аудиосигнала |
SG10201608613QA (en) * | 2013-01-29 | 2016-12-29 | Fraunhofer Ges Forschung | Decoder For Generating A Frequency Enhanced Audio Signal, Method Of Decoding, Encoder For Generating An Encoded Signal And Method Of Encoding Using Compact Selection Side Information |
EP2830052A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
CN103413553B (zh) | 2013-08-20 | 2016-03-09 | 腾讯科技(深圳)有限公司 | 音频编码方法、音频解码方法、编码端、解码端和系统 |
CN103500580B (zh) * | 2013-09-23 | 2017-04-12 | 广东威创视讯科技股份有限公司 | 混音处理方法及系统 |
EP2863386A1 (en) | 2013-10-18 | 2015-04-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, apparatus for generating encoded audio output data and methods permitting initializing a decoder |
US9311639B2 (en) | 2014-02-11 | 2016-04-12 | Digimarc Corporation | Methods, apparatus and arrangements for device to device communication |
US10090004B2 (en) | 2014-02-24 | 2018-10-02 | Samsung Electronics Co., Ltd. | Signal classifying method and device, and audio encoding method and device using same |
CN107424622B (zh) * | 2014-06-24 | 2020-12-25 | 华为技术有限公司 | 音频编码方法和装置 |
CN104269173B (zh) * | 2014-09-30 | 2018-03-13 | 武汉大学深圳研究院 | 切换模式的音频带宽扩展装置与方法 |
WO2016072628A1 (ko) * | 2014-11-07 | 2016-05-12 | 삼성전자 주식회사 | 오디오 신호를 복원하는 방법 및 장치 |
CN106075728B (zh) * | 2016-08-22 | 2018-09-28 | 卢超 | 应用于电子针灸仪的音乐调制脉冲获取方法 |
US10074378B2 (en) * | 2016-12-09 | 2018-09-11 | Cirrus Logic, Inc. | Data encoding detection |
CN115334349B (zh) * | 2022-07-15 | 2024-01-02 | 北京达佳互联信息技术有限公司 | 音频处理方法、装置、电子设备及存储介质 |
Citations (4)
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US5778335A (en) * | 1996-02-26 | 1998-07-07 | The Regents Of The University Of California | Method and apparatus for efficient multiband celp wideband speech and music coding and decoding |
US6208962B1 (en) * | 1997-04-09 | 2001-03-27 | Nec Corporation | Signal coding system |
WO2002005433A1 (en) * | 2000-07-10 | 2002-01-17 | Cyberinc Pte Ltd | A method, a device and a system for compressing a musical and voice signal |
EP1688917A1 (en) * | 2003-12-26 | 2006-08-09 | Matsushita Electric Industries Co. Ltd. | Voice/musical sound encoding device and voice/musical sound encoding method |
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-
2009
- 2009-03-04 JP JP2010549573A patent/JP5108960B2/ja active Active
- 2009-03-04 RU RU2010140365/08A patent/RU2452042C1/ru not_active IP Right Cessation
- 2009-03-04 EP EP09717694.5A patent/EP2259254B1/en active Active
- 2009-03-04 AU AU2009220341A patent/AU2009220341B2/en not_active Ceased
- 2009-03-04 CN CN2009801136190A patent/CN102007534B/zh active Active
- 2009-03-04 KR KR1020107021775A patent/KR20100134623A/ko not_active Application Discontinuation
- 2009-03-04 ES ES09717694.5T patent/ES2464722T3/es active Active
- 2009-03-04 CA CA2717584A patent/CA2717584C/en active Active
- 2009-03-04 WO PCT/KR2009/001081 patent/WO2009110751A2/ko active Application Filing
- 2009-07-02 US US12/497,119 patent/US8135585B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5778335A (en) * | 1996-02-26 | 1998-07-07 | The Regents Of The University Of California | Method and apparatus for efficient multiband celp wideband speech and music coding and decoding |
US6208962B1 (en) * | 1997-04-09 | 2001-03-27 | Nec Corporation | Signal coding system |
WO2002005433A1 (en) * | 2000-07-10 | 2002-01-17 | Cyberinc Pte Ltd | A method, a device and a system for compressing a musical and voice signal |
EP1688917A1 (en) * | 2003-12-26 | 2006-08-09 | Matsushita Electric Industries Co. Ltd. | Voice/musical sound encoding device and voice/musical sound encoding method |
Also Published As
Publication number | Publication date |
---|---|
CN102007534B (zh) | 2012-11-21 |
RU2452042C1 (ru) | 2012-05-27 |
JP2011514558A (ja) | 2011-05-06 |
ES2464722T3 (es) | 2014-06-03 |
US20100070272A1 (en) | 2010-03-18 |
WO2009110751A2 (ko) | 2009-09-11 |
RU2010140365A (ru) | 2012-04-10 |
JP5108960B2 (ja) | 2012-12-26 |
EP2259254A2 (en) | 2010-12-08 |
KR20100134623A (ko) | 2010-12-23 |
CA2717584A1 (en) | 2009-09-11 |
CN102007534A (zh) | 2011-04-06 |
EP2259254A4 (en) | 2013-02-20 |
US8135585B2 (en) | 2012-03-13 |
AU2009220341A1 (en) | 2009-09-11 |
AU2009220341B2 (en) | 2011-09-22 |
EP2259254B1 (en) | 2014-04-30 |
CA2717584C (en) | 2015-05-12 |
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