CN101490743B - 对立体声音频信号的动态解码 - Google Patents
对立体声音频信号的动态解码 Download PDFInfo
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- CN101490743B CN101490743B CN2007800258030A CN200780025803A CN101490743B CN 101490743 B CN101490743 B CN 101490743B CN 2007800258030 A CN2007800258030 A CN 2007800258030A CN 200780025803 A CN200780025803 A CN 200780025803A CN 101490743 B CN101490743 B CN 101490743B
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- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
- G10L19/02—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
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Abstract
Description
Claims (14)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/456,191 | 2006-07-08 | ||
US11/456,191 US7876904B2 (en) | 2006-07-08 | 2006-07-08 | Dynamic decoding of binaural audio signals |
PCT/FI2007/050367 WO2008006938A1 (en) | 2006-07-08 | 2007-06-18 | Dynamic decoding of binaural audio signals |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101490743A CN101490743A (zh) | 2009-07-22 |
CN101490743B true CN101490743B (zh) | 2011-12-28 |
Family
ID=38919148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800258030A Active CN101490743B (zh) | 2006-07-08 | 2007-06-18 | 对立体声音频信号的动态解码 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7876904B2 (zh) |
EP (1) | EP2038880B1 (zh) |
JP (1) | JP4708493B2 (zh) |
KR (1) | KR101054932B1 (zh) |
CN (1) | CN101490743B (zh) |
HK (1) | HK1132365A1 (zh) |
WO (1) | WO2008006938A1 (zh) |
Families Citing this family (47)
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JP4988717B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
WO2006126843A2 (en) * | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding audio signal |
US8111830B2 (en) * | 2005-12-19 | 2012-02-07 | Samsung Electronics Co., Ltd. | Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener |
KR100644715B1 (ko) * | 2005-12-19 | 2006-11-10 | 삼성전자주식회사 | 능동적 오디오 매트릭스 디코딩 방법 및 장치 |
KR100803212B1 (ko) * | 2006-01-11 | 2008-02-14 | 삼성전자주식회사 | 스케일러블 채널 복호화 방법 및 장치 |
JP4814344B2 (ja) * | 2006-01-19 | 2011-11-16 | エルジー エレクトロニクス インコーポレイティド | メディア信号の処理方法及び装置 |
CN102693727B (zh) * | 2006-02-03 | 2015-06-10 | 韩国电子通信研究院 | 用于控制音频信号的渲染的方法 |
KR20080093419A (ko) * | 2006-02-07 | 2008-10-21 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
US20090177479A1 (en) * | 2006-02-09 | 2009-07-09 | Lg Electronics Inc. | Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof |
DE602007004451D1 (de) * | 2006-02-21 | 2010-03-11 | Koninkl Philips Electronics Nv | Audiokodierung und audiodekodierung |
KR100773560B1 (ko) * | 2006-03-06 | 2007-11-05 | 삼성전자주식회사 | 스테레오 신호 생성 방법 및 장치 |
KR100763920B1 (ko) * | 2006-08-09 | 2007-10-05 | 삼성전자주식회사 | 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2채널의 바이노럴 신호로 복호화하는 방법 및 장치 |
JP5174027B2 (ja) * | 2006-09-29 | 2013-04-03 | エルジー エレクトロニクス インコーポレイティド | ミックス信号処理装置及びミックス信号処理方法 |
US9418667B2 (en) * | 2006-10-12 | 2016-08-16 | Lg Electronics Inc. | Apparatus for processing a mix signal and method thereof |
US9015051B2 (en) * | 2007-03-21 | 2015-04-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Reconstruction of audio channels with direction parameters indicating direction of origin |
US8295494B2 (en) * | 2007-08-13 | 2012-10-23 | Lg Electronics Inc. | Enhancing audio with remixing capability |
KR101438389B1 (ko) * | 2007-11-15 | 2014-09-05 | 삼성전자주식회사 | 오디오 매트릭스 디코딩 방법 및 장치 |
JP4557035B2 (ja) * | 2008-04-03 | 2010-10-06 | ソニー株式会社 | 情報処理装置、情報処理方法、プログラム及び記録媒体 |
KR101615262B1 (ko) * | 2009-08-12 | 2016-04-26 | 삼성전자주식회사 | 시멘틱 정보를 이용한 멀티 채널 오디오 인코딩 및 디코딩 방법 및 장치 |
TWI413110B (zh) * | 2009-10-06 | 2013-10-21 | Dolby Int Ab | 以選擇性通道解碼的有效多通道信號處理 |
CN102576541B (zh) * | 2009-10-21 | 2013-09-18 | 杜比国际公司 | 组合换位滤波器组的过采样 |
KR101567461B1 (ko) * | 2009-11-16 | 2015-11-09 | 삼성전자주식회사 | 다채널 사운드 신호 생성 장치 |
CA2781702C (en) | 2009-11-30 | 2017-03-28 | Nokia Corporation | An apparatus for processing audio and speech signals in an audio device |
KR20120004909A (ko) * | 2010-07-07 | 2012-01-13 | 삼성전자주식회사 | 입체 음향 재생 방법 및 장치 |
US8654984B2 (en) * | 2011-04-26 | 2014-02-18 | Skype | Processing stereophonic audio signals |
US9530419B2 (en) * | 2011-05-04 | 2016-12-27 | Nokia Technologies Oy | Encoding of stereophonic signals |
KR101842257B1 (ko) * | 2011-09-14 | 2018-05-15 | 삼성전자주식회사 | 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치 |
WO2013183392A1 (ja) * | 2012-06-06 | 2013-12-12 | ソニー株式会社 | 音声信号処理装置、音声信号処理方法およびコンピュータプログラム |
EP2717263B1 (en) | 2012-10-05 | 2016-11-02 | Nokia Technologies Oy | Method, apparatus, and computer program product for categorical spatial analysis-synthesis on the spectrum of a multichannel audio signal |
KR102150955B1 (ko) | 2013-04-19 | 2020-09-02 | 한국전자통신연구원 | 다채널 오디오 신호 처리 장치 및 방법 |
CN108806704B (zh) | 2013-04-19 | 2023-06-06 | 韩国电子通信研究院 | 多信道音频信号处理装置及方法 |
TWI615834B (zh) * | 2013-05-31 | 2018-02-21 | Sony Corp | 編碼裝置及方法、解碼裝置及方法、以及程式 |
US9319819B2 (en) | 2013-07-25 | 2016-04-19 | Etri | Binaural rendering method and apparatus for decoding multi channel audio |
CA3016999C (en) | 2013-08-30 | 2019-09-17 | Gleim Conferencing, Llc | Multidimensional virtual learning system and method |
US9197755B2 (en) * | 2013-08-30 | 2015-11-24 | Gleim Conferencing, Llc | Multidimensional virtual learning audio programming system and method |
KR102381216B1 (ko) | 2013-10-21 | 2022-04-08 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
US10382880B2 (en) | 2014-01-03 | 2019-08-13 | Dolby Laboratories Licensing Corporation | Methods and systems for designing and applying numerically optimized binaural room impulse responses |
EP3095117B1 (en) * | 2014-01-13 | 2018-08-22 | Nokia Technologies Oy | Multi-channel audio signal classifier |
WO2015147533A2 (ko) * | 2014-03-24 | 2015-10-01 | 삼성전자 주식회사 | 음향 신호의 렌더링 방법, 장치 및 컴퓨터 판독 가능한 기록 매체 |
US9774974B2 (en) * | 2014-09-24 | 2017-09-26 | Electronics And Telecommunications Research Institute | Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion |
WO2016126816A2 (en) * | 2015-02-03 | 2016-08-11 | Dolby Laboratories Licensing Corporation | Post-conference playback system having higher perceived quality than originally heard in the conference |
CN112492501B (zh) | 2015-08-25 | 2022-10-14 | 杜比国际公司 | 使用呈现变换参数的音频编码和解码 |
CN107204132A (zh) * | 2016-03-16 | 2017-09-26 | 中航华东光电(上海)有限公司 | 3d虚拟立体声空中预警系统 |
EP3852394A1 (en) * | 2016-06-21 | 2021-07-21 | Dolby Laboratories Licensing Corporation | Headtracking for pre-rendered binaural audio |
WO2017223110A1 (en) * | 2016-06-21 | 2017-12-28 | Dolby Laboratories Licensing Corporation | Headtracking for pre-rendered binaural audio |
JP6670802B2 (ja) * | 2017-07-06 | 2020-03-25 | 日本放送協会 | 音響信号再生装置 |
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2006
- 2006-07-08 US US11/456,191 patent/US7876904B2/en active Active
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2007
- 2007-06-18 JP JP2009517304A patent/JP4708493B2/ja active Active
- 2007-06-18 WO PCT/FI2007/050367 patent/WO2008006938A1/en active Application Filing
- 2007-06-18 EP EP07788752.9A patent/EP2038880B1/en active Active
- 2007-06-18 CN CN2007800258030A patent/CN101490743B/zh active Active
- 2007-06-18 KR KR1020097000218A patent/KR101054932B1/ko active IP Right Grant
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2009
- 2009-12-30 HK HK09112343.0A patent/HK1132365A1/xx unknown
Patent Citations (1)
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CN1685763A (zh) * | 2002-09-23 | 2005-10-19 | 皇家飞利浦电子股份有限公司 | 声音信号的生成 |
Also Published As
Publication number | Publication date |
---|---|
KR20090018861A (ko) | 2009-02-23 |
US7876904B2 (en) | 2011-01-25 |
EP2038880A1 (en) | 2009-03-25 |
US20080008327A1 (en) | 2008-01-10 |
JP2009543389A (ja) | 2009-12-03 |
JP4708493B2 (ja) | 2011-06-22 |
HK1132365A1 (en) | 2010-02-19 |
EP2038880B1 (en) | 2015-09-09 |
CN101490743A (zh) | 2009-07-22 |
WO2008006938A1 (en) | 2008-01-17 |
EP2038880A4 (en) | 2013-01-09 |
KR101054932B1 (ko) | 2011-08-05 |
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Effective date of registration: 20160118 Address after: Espoo, Finland Patentee after: Technology Co., Ltd. of Nokia Address before: Espoo, Finland Patentee before: Nokia Oyj |