JP7419666B2 - 音信号処理装置および音信号処理方法 - Google Patents
音信号処理装置および音信号処理方法 Download PDFInfo
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- JP7419666B2 JP7419666B2 JP2019071009A JP2019071009A JP7419666B2 JP 7419666 B2 JP7419666 B2 JP 7419666B2 JP 2019071009 A JP2019071009 A JP 2019071009A JP 2019071009 A JP2019071009 A JP 2019071009A JP 7419666 B2 JP7419666 B2 JP 7419666B2
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- sound
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- signal processing
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- 230000005236 sound signal Effects 0.000 title claims description 94
- 238000003672 processing method Methods 0.000 title claims 6
- 230000004807 localization Effects 0.000 claims description 41
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000014509 gene expression Effects 0.000 description 5
- 235000019800 disodium phosphate Nutrition 0.000 description 4
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0091—Means for obtaining special acoustic effects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0008—Associated control or indicating means
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
- G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
- G10H1/0058—Transmission between separate instruments or between individual components of a musical system
- G10H1/0066—Transmission between separate instruments or between individual components of a musical system using a MIDI interface
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/155—Musical effects
- G10H2210/265—Acoustic effect simulation, i.e. volume, spatial, resonance or reverberation effects added to a musical sound, usually by appropriate filtering or delays
- G10H2210/295—Spatial effects, musical uses of multiple audio channels, e.g. stereo
- G10H2210/305—Source positioning in a soundscape, e.g. instrument positioning on a virtual soundstage, stereo panning or related delay or reverberation changes; Changing the stereo width of a musical source
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Electrophonic Musical Instruments (AREA)
- Circuit For Audible Band Transducer (AREA)
Description
SP1,SP2,SP3,SP4,SP5,SP6,SP7,SP8…スピーカ
1…音信号処理装置
3…電子楽器
11…受付部
12…トーンジェネレータ
13…信号処理部
14…定位処理部
15…D/Aコンバータ
16…アンプ(AMP)
17…CPU
18…フラッシュメモリ
19…RAM
21…表示器
100…音信号処理システム
121、122,123,124…音源
131…チャンネル決定部
132,133,134,135…エフェクト処理部
171…音源位置決定部
Claims (8)
- 音高情報を含む入力情報を受け付ける受付部と、
前記入力情報に基づいて、音源と該音源の位置情報とを対応付ける音源位置決定部と、
前記位置情報に基づいて、複数のスピーカに対する前記音源の音信号の出力レベルを計算し、前記音源の音像定位処理を行なう、音像定位処理部と、
を備え、
前記入力情報は、和音に係る情報を含み、
前記音源位置決定部は、前記和音に係る情報に基づいて、和音の種類毎に指定された音源と該音源の位置情報とを対応付ける、音信号処理装置。 - 前記音源位置決定部は、前記音源の位置を3次元の座標に基づいて決定する、
請求項1に記載の音信号処理装置。 - 前記音源位置決定部は、発音順に基づいて前記音源の位置情報を決定する、
請求項1または請求項2に記載の音信号処理装置。 - 前記受付部は、第1の通信手段を介して前記入力情報を受け付け、
前記音像定位処理部は、第2の通信手段を介して前記音源の音信号を受信する、
請求項1乃至請求項3のいずれか1項に記載の音信号処理装置。 - 音高情報を含む入力情報を受け付け、
前記入力情報に基づいて、音源と該音源の位置情報とを対応付け、
前記位置情報に基づいて、複数のスピーカに対する音信号の出力レベルを計算し、前記音源の音像定位処理を行なう、
音信号処理方法であって、
前記入力情報は、和音に係る情報を含み、
前記和音に係る情報に基づいて、和音の種類毎に音源と該音源の位置情報とを対応付ける、音信号処理方法。 - 前記音源の位置情報は、3次元の座標に基づいて決定する、
請求項5に記載の音信号処理方法。 - 発音順に基づいて前記音源の位置情報を決定する、
請求項5または請求項6に記載の音信号処理方法。 - 第1の通信手段を介して前記入力情報を受け付け、
第2の通信手段を介して前記音源の音信号を受信する、
請求項5乃至請求項7のいずれか1項に記載の音信号処理方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019071009A JP7419666B2 (ja) | 2019-04-03 | 2019-04-03 | 音信号処理装置および音信号処理方法 |
CN202010216221.8A CN111800731B (zh) | 2019-04-03 | 2020-03-25 | 声音信号处理装置以及声音信号处理方法 |
EP20167568.3A EP3719789B1 (en) | 2019-04-03 | 2020-04-01 | Sound signal processor and sound signal processing method |
US16/837,494 US11089422B2 (en) | 2019-04-03 | 2020-04-01 | Sound signal processor and sound signal processing method |
Applications Claiming Priority (1)
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JP2019071009A JP7419666B2 (ja) | 2019-04-03 | 2019-04-03 | 音信号処理装置および音信号処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020170935A JP2020170935A (ja) | 2020-10-15 |
JP7419666B2 true JP7419666B2 (ja) | 2024-01-23 |
Family
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JP2019071009A Active JP7419666B2 (ja) | 2019-04-03 | 2019-04-03 | 音信号処理装置および音信号処理方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11089422B2 (ja) |
EP (1) | EP3719789B1 (ja) |
JP (1) | JP7419666B2 (ja) |
CN (1) | CN111800731B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102466059B1 (ko) * | 2021-05-07 | 2022-11-11 | 주식회사 케이앤어스 | 사운드 커튼 방식의 도청 및 녹음 방지 시스템 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005099559A (ja) | 2003-09-26 | 2005-04-14 | Roland Corp | 電子楽器 |
JP2007158985A (ja) | 2005-12-08 | 2007-06-21 | Yamaha Corp | 楽曲再生において立体音響効果を付加する装置およびプログラム |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04306697A (ja) * | 1991-04-03 | 1992-10-29 | Kawai Musical Instr Mfg Co Ltd | ステレオ方式 |
JP2800429B2 (ja) * | 1991-01-09 | 1998-09-21 | ヤマハ株式会社 | 音像定位制御装置 |
JP3259846B2 (ja) * | 1991-10-02 | 2002-02-25 | ヤマハ株式会社 | 楽音信号形成装置 |
JPH0736448A (ja) * | 1993-06-28 | 1995-02-07 | Roland Corp | 音像定位装置 |
JPH07230283A (ja) | 1994-02-18 | 1995-08-29 | Roland Corp | 音像定位装置 |
JP3293536B2 (ja) * | 1997-10-31 | 2002-06-17 | ヤマハ株式会社 | 音声信号または楽音信号の処理装置および処理方法および音声信号または楽音信号の処理プログラムを記録したコンピュータ読み取り可能な記録媒体 |
US7928311B2 (en) * | 2004-12-01 | 2011-04-19 | Creative Technology Ltd | System and method for forming and rendering 3D MIDI messages |
JP2007103456A (ja) | 2005-09-30 | 2007-04-19 | Toshiba Corp | 半導体装置及びその製造方法 |
US20090177479A1 (en) * | 2006-02-09 | 2009-07-09 | Lg Electronics Inc. | Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof |
JP5703807B2 (ja) * | 2011-02-08 | 2015-04-22 | ヤマハ株式会社 | 信号処理装置 |
RU2617553C2 (ru) | 2011-07-01 | 2017-04-25 | Долби Лабораторис Лайсэнзин Корпорейшн | Система и способ для генерирования, кодирования и представления данных адаптивного звукового сигнала |
WO2014087277A1 (en) * | 2012-12-06 | 2014-06-12 | Koninklijke Philips N.V. | Generating drive signals for audio transducers |
US9154898B2 (en) * | 2013-04-04 | 2015-10-06 | Seon Joon KIM | System and method for improving sound image localization through cross-placement |
JP2017103598A (ja) * | 2015-12-01 | 2017-06-08 | ソニー株式会社 | 情報処理装置、情報処理方法、およびプログラム |
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2019
- 2019-04-03 JP JP2019071009A patent/JP7419666B2/ja active Active
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2020
- 2020-03-25 CN CN202010216221.8A patent/CN111800731B/zh active Active
- 2020-04-01 US US16/837,494 patent/US11089422B2/en active Active
- 2020-04-01 EP EP20167568.3A patent/EP3719789B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005099559A (ja) | 2003-09-26 | 2005-04-14 | Roland Corp | 電子楽器 |
JP2007158985A (ja) | 2005-12-08 | 2007-06-21 | Yamaha Corp | 楽曲再生において立体音響効果を付加する装置およびプログラム |
Also Published As
Publication number | Publication date |
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US11089422B2 (en) | 2021-08-10 |
CN111800731B (zh) | 2022-12-20 |
EP3719789A1 (en) | 2020-10-07 |
US20200322744A1 (en) | 2020-10-08 |
JP2020170935A (ja) | 2020-10-15 |
CN111800731A (zh) | 2020-10-20 |
EP3719789B1 (en) | 2022-05-04 |
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