JP4307917B2 - オーディオミキシングのための等化技術 - Google Patents
オーディオミキシングのための等化技術 Download PDFInfo
- Publication number
- JP4307917B2 JP4307917B2 JP2003179073A JP2003179073A JP4307917B2 JP 4307917 B2 JP4307917 B2 JP 4307917B2 JP 2003179073 A JP2003179073 A JP 2003179073A JP 2003179073 A JP2003179073 A JP 2003179073A JP 4307917 B2 JP4307917 B2 JP 4307917B2
- Authority
- JP
- Japan
- Prior art keywords
- channel
- audio signal
- loudness
- frequency domain
- mixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005236 sound signal Effects 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 36
- 230000003595 spectral effect Effects 0.000 claims description 28
- 238000001228 spectrum Methods 0.000 claims description 8
- 230000001419 dependent effect Effects 0.000 claims description 6
- 230000001131 transforming effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
Images
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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- 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
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo five- or more-channel type, e.g. virtual surround
-
- 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
- G10L19/0212—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39109502P | 2002-06-24 | 2002-06-24 | |
| US10/246,165 US7039204B2 (en) | 2002-06-24 | 2002-09-18 | Equalization for audio mixing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004048741A JP2004048741A (ja) | 2004-02-12 |
| JP2004048741A5 JP2004048741A5 (enExample) | 2007-03-01 |
| JP4307917B2 true JP4307917B2 (ja) | 2009-08-05 |
Family
ID=29718508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003179073A Expired - Fee Related JP4307917B2 (ja) | 2002-06-24 | 2003-06-24 | オーディオミキシングのための等化技術 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7039204B2 (enExample) |
| EP (1) | EP1377123A1 (enExample) |
| JP (1) | JP4307917B2 (enExample) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8767969B1 (en) | 1999-09-27 | 2014-07-01 | Creative Technology Ltd | Process for removing voice from stereo recordings |
| US7072477B1 (en) * | 2002-07-09 | 2006-07-04 | Apple Computer, Inc. | Method and apparatus for automatically normalizing a perceived volume level in a digitally encoded file |
| US7970144B1 (en) * | 2003-12-17 | 2011-06-28 | Creative Technology Ltd | Extracting and modifying a panned source for enhancement and upmix of audio signals |
| ATE378677T1 (de) * | 2004-03-12 | 2007-11-15 | Nokia Corp | Synthese eines mono-audiosignals aus einem mehrkanal-audiosignal |
| KR100923478B1 (ko) * | 2004-03-12 | 2009-10-27 | 노키아 코포레이션 | 부호화된 다중채널 오디오 신호에 기반하여 모노 오디오신호를 합성하는 방법 및 장치 |
| PL1735779T3 (pl) * | 2004-04-05 | 2014-01-31 | Koninklijke Philips Nv | Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio |
| US7756713B2 (en) * | 2004-07-02 | 2010-07-13 | Panasonic Corporation | Audio signal decoding device which decodes a downmix channel signal and audio signal encoding device which encodes audio channel signals together with spatial audio information |
| TWI393121B (zh) * | 2004-08-25 | 2013-04-11 | 杜比實驗室特許公司 | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| JP4936894B2 (ja) * | 2004-08-27 | 2012-05-23 | パナソニック株式会社 | オーディオデコーダ、方法及びプログラム |
| KR101158709B1 (ko) * | 2004-09-06 | 2012-06-22 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 신호 강화 |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| WO2006089148A2 (en) * | 2005-02-17 | 2006-08-24 | Panasonic Automotive Systems Company Of America Division Of Panasonic Corporation Of North America | Method and apparatus for optimizing reproduction of audio source material in an audio system |
| US7573912B2 (en) * | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
| US7991610B2 (en) * | 2005-04-13 | 2011-08-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Adaptive grouping of parameters for enhanced coding efficiency |
| US20060235683A1 (en) * | 2005-04-13 | 2006-10-19 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Lossless encoding of information with guaranteed maximum bitrate |
| GB2426168B (en) * | 2005-05-09 | 2008-08-27 | Sony Comp Entertainment Europe | Audio processing |
| WO2007031906A2 (en) * | 2005-09-13 | 2007-03-22 | Koninklijke Philips Electronics N.V. | A method of and a device for generating 3d sound |
| US20070135952A1 (en) * | 2005-12-06 | 2007-06-14 | Dts, Inc. | Audio channel extraction using inter-channel amplitude spectra |
| WO2007080211A1 (en) * | 2006-01-09 | 2007-07-19 | Nokia Corporation | Decoding of binaural audio signals |
| CN101356573B (zh) * | 2006-01-09 | 2012-01-25 | 诺基亚公司 | 对双耳音频信号的解码的控制 |
| US8116459B2 (en) * | 2006-03-28 | 2012-02-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Enhanced method for signal shaping in multi-channel audio reconstruction |
| USRE50697E1 (en) | 2006-07-07 | 2025-12-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Concept for combining multiple parametrically coded audio sources |
| AU2007271532B2 (en) * | 2006-07-07 | 2011-03-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for combining multiple parametrically coded audio sources |
| JP2008092072A (ja) * | 2006-09-29 | 2008-04-17 | Toshiba Corp | 音声ミキシング処理装置及び音声ミキシング処理方法 |
| CN103716748A (zh) * | 2007-03-01 | 2014-04-09 | 杰里·马哈布比 | 音频空间化及环境模拟 |
| US8934640B2 (en) * | 2007-05-17 | 2015-01-13 | Creative Technology Ltd | Microphone array processor based on spatial analysis |
| CN102016983B (zh) * | 2008-03-04 | 2013-08-14 | 弗劳恩霍夫应用研究促进协会 | 用于对多个输入数据流进行混合的设备 |
| EP2374211B1 (en) | 2008-12-24 | 2012-04-04 | Dolby Laboratories Licensing Corporation | Audio signal loudness determination and modification in the frequency domain |
| WO2010138309A1 (en) | 2009-05-26 | 2010-12-02 | Dolby Laboratories Licensing Corporation | Audio signal dynamic equalization processing control |
| WO2010138311A1 (en) | 2009-05-26 | 2010-12-02 | Dolby Laboratories Licensing Corporation | Equalization profiles for dynamic equalization of audio data |
| US9055374B2 (en) * | 2009-06-24 | 2015-06-09 | Arizona Board Of Regents For And On Behalf Of Arizona State University | Method and system for determining an auditory pattern of an audio segment |
| JP5448771B2 (ja) * | 2009-12-11 | 2014-03-19 | キヤノン株式会社 | 音響処理装置及び方法 |
| US9589550B2 (en) * | 2011-09-30 | 2017-03-07 | Harman International Industries, Inc. | Methods and systems for measuring and reporting an energy level of a sound component within a sound mix |
| CN103188595B (zh) * | 2011-12-31 | 2015-05-27 | 展讯通信(上海)有限公司 | 处理多声道音频信号的方法和系统 |
| US9685921B2 (en) * | 2012-07-12 | 2017-06-20 | Dts, Inc. | Loudness control with noise detection and loudness drop detection |
| EP2981960B1 (en) | 2013-04-05 | 2019-03-13 | Dolby International AB | Stereo audio encoder and decoder |
| PL3429233T3 (pl) | 2013-07-30 | 2020-11-16 | Dts, Inc. | Dekoder matrycowy z panoramowaniem parami o stałej mocy |
| EP2854133A1 (en) | 2013-09-27 | 2015-04-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Generation of a downmix signal |
| JP6612753B2 (ja) * | 2013-11-27 | 2019-11-27 | ディーティーエス・インコーポレイテッド | 高チャンネル数マルチチャンネルオーディオのためのマルチプレットベースのマトリックスミキシング |
| JP6313641B2 (ja) * | 2014-03-25 | 2018-04-18 | 日本放送協会 | チャンネル数変換装置 |
| JP6285790B2 (ja) * | 2014-03-25 | 2018-02-28 | 日本放送協会 | チャンネル数変換装置 |
| JP6510870B2 (ja) * | 2015-04-20 | 2019-05-08 | 日本放送協会 | 番組音声チャンネル数変換装置、放送番組受信装置及び番組音声チャンネル数変換プログラム |
| JP6637735B2 (ja) * | 2015-11-13 | 2020-01-29 | 日本放送協会 | 音響特徴量調節装置およびプログラム |
| JP6637736B2 (ja) * | 2015-11-13 | 2020-01-29 | 日本放送協会 | ラウドネス調節装置およびプログラム |
| EP3377279A4 (en) | 2015-11-16 | 2018-09-26 | D-Box Technologies Inc. | Method and system for synchronizing vibro-kinetic effects to a virtual reality session |
| US9947332B2 (en) | 2015-12-11 | 2018-04-17 | Ibiquity Digital Corporation | Method and apparatus for automatic audio alignment in a hybrid radio system |
| US9755598B2 (en) | 2015-12-18 | 2017-09-05 | Ibiquity Digital Corporation | Method and apparatus for level control in blending an audio signal in an in-band on-channel radio system |
| EP3335218B1 (en) * | 2016-03-16 | 2019-06-05 | Huawei Technologies Co., Ltd. | An audio signal processing apparatus and method for processing an input audio signal |
| JP6703884B2 (ja) * | 2016-04-13 | 2020-06-03 | 日本放送協会 | チャンネル数変換装置、放送受信機およびプログラム |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| JP6854194B2 (ja) * | 2017-06-02 | 2021-04-07 | 日本放送協会 | コンテンツ提供システム、マルチメディア配信装置、端末装置及びプログラム |
| US10484115B2 (en) | 2018-02-09 | 2019-11-19 | Ibiquity Digital Corporation | Analog and digital audio alignment in the HD radio exciter engine (exgine) |
| US10177729B1 (en) | 2018-02-19 | 2019-01-08 | Ibiquity Digital Corporation | Auto level in digital radio systems |
| EP3550561A1 (en) | 2018-04-06 | 2019-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer, audio encoder, method and computer program applying a phase value to a magnitude value |
| CN109121067B (zh) * | 2018-10-19 | 2020-06-09 | 北京声加科技有限公司 | 多声道响度均衡方法和设备 |
| CN112750444B (zh) * | 2020-06-30 | 2023-12-12 | 腾讯科技(深圳)有限公司 | 混音方法、装置及电子设备 |
| CN121034323A (zh) * | 2020-07-17 | 2025-11-28 | 华为技术有限公司 | 多声道音频信号编解码方法和装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2693893B2 (ja) * | 1992-03-30 | 1997-12-24 | 松下電器産業株式会社 | ステレオ音声符号化方法 |
| US5812969A (en) * | 1995-04-06 | 1998-09-22 | Adaptec, Inc. | Process for balancing the loudness of digitally sampled audio waveforms |
| US6111958A (en) * | 1997-03-21 | 2000-08-29 | Euphonics, Incorporated | Audio spatial enhancement apparatus and methods |
| AU2003264750A1 (en) * | 2002-05-03 | 2003-11-17 | Harman International Industries, Incorporated | Multi-channel downmixing device |
-
2002
- 2002-09-18 US US10/246,165 patent/US7039204B2/en not_active Expired - Lifetime
-
2003
- 2003-06-24 EP EP03253971A patent/EP1377123A1/en not_active Withdrawn
- 2003-06-24 JP JP2003179073A patent/JP4307917B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20030235317A1 (en) | 2003-12-25 |
| JP2004048741A (ja) | 2004-02-12 |
| EP1377123A1 (en) | 2004-01-02 |
| US7039204B2 (en) | 2006-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4307917B2 (ja) | オーディオミキシングのための等化技術 | |
| US8090122B2 (en) | Audio mixing using magnitude equalization | |
| KR101984115B1 (ko) | 오디오 신호 처리를 위한 다채널 다이렉트-앰비언트 분해를 위한 장치 및 방법 | |
| US7970144B1 (en) | Extracting and modifying a panned source for enhancement and upmix of audio signals | |
| JP5724044B2 (ja) | 多重チャネル・オーディオ信号の符号化のためのパラメトリック型符号化装置 | |
| CN102163429B (zh) | 用于处理去相干信号或组合信号的设备和方法 | |
| EP2614659B1 (en) | Upmixing method and system for multichannel audio reproduction | |
| JP5284638B2 (ja) | 方法、デバイス、エンコーダ装置、デコーダ装置、及びオーディオシステム | |
| EP2730103B1 (en) | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral subtractor | |
| CN105284133B (zh) | 基于信号下混比进行中心信号缩放和立体声增强的设备和方法 | |
| EP2939443B1 (en) | System and method for variable decorrelation of audio signals | |
| JP6843992B2 (ja) | 相関分離フィルタの適応制御のための方法および装置 | |
| US20250126426A1 (en) | Systems and Methods for Audio Upmixing | |
| CN110419079B (zh) | 用于下混频至少两声道的下混频器和方法以及多声道编码器和多声道解码器 | |
| JP2012508489A (ja) | 下位音声形式を生成する方法 | |
| EP3216234B1 (en) | An audio signal processing apparatus and method for modifying a stereo image of a stereo signal | |
| Romoli et al. | A novel decorrelation approach for multichannel system identification | |
| CN103098494A (zh) | 制作向下兼容声音格式的方法及装置 | |
| JP6832095B2 (ja) | チャンネル数変換装置およびそのプログラム | |
| HK1197782B (en) | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral subtractor | |
| HK1197782A (en) | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral subtractor | |
| HK1197959B (en) | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060424 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070112 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090209 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090310 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090406 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090430 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 4307917 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120515 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130515 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130515 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |