CA1329911C - Sound imaging method and apparatus - Google Patents
Sound imaging method and apparatusInfo
- Publication number
- CA1329911C CA1329911C CA000610207A CA610207A CA1329911C CA 1329911 C CA1329911 C CA 1329911C CA 000610207 A CA000610207 A CA 000610207A CA 610207 A CA610207 A CA 610207A CA 1329911 C CA1329911 C CA 1329911C
- Authority
- CA
- Canada
- Prior art keywords
- amplitude
- signals
- sound
- phase
- channel
- 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 - Lifetime
Links
- 238000003384 imaging method Methods 0.000 title description 4
- 230000006870 function Effects 0.000 claims abstract description 51
- 238000012546 transfer Methods 0.000 claims abstract description 48
- 230000001419 dependent effect Effects 0.000 claims abstract description 19
- 238000001228 spectrum Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 24
- 230000004044 response Effects 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 9
- 230000010363 phase shift Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000004075 alteration Effects 0.000 claims 3
- 230000001172 regenerating effect Effects 0.000 claims 2
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000001953 sensory effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 17
- 230000005236 sound signal Effects 0.000 abstract description 14
- 238000007796 conventional method Methods 0.000 abstract 1
- 230000001934 delay Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000005304 joining Methods 0.000 description 5
- 239000000872 buffer Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006880 cross-coupling reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 241000331231 Amorphocerini gen. n. 1 DAD-2008 Species 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- 206010021403 Illusion Diseases 0.000 description 1
- 241000613130 Tima Species 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- ZYXYTGQFPZEUFX-UHFFFAOYSA-N benzpyrimoxan Chemical compound O1C(OCCC1)C=1C(=NC=NC=1)OCC1=CC=C(C=C1)C(F)(F)F ZYXYTGQFPZEUFX-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- 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
- H04S2420/03—Application of parametric coding in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/40—Visual indication of stereophonic sound image
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/239,981 US5046097A (en) | 1988-09-02 | 1988-09-02 | Sound imaging process |
| US39898889A | 1989-08-28 | 1989-08-28 | |
| US239,981 | 1989-08-28 | ||
| US398,988 | 1995-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1329911C true CA1329911C (en) | 1994-05-31 |
Family
ID=26933039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000610207A Expired - Lifetime CA1329911C (en) | 1988-09-02 | 1989-09-01 | Sound imaging method and apparatus |
Country Status (18)
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU625530B2 (en) * | 1989-12-07 | 1992-07-16 | Q Sound Ltd | Sound imaging system for a video game |
| JP3449715B2 (ja) * | 1991-01-08 | 2003-09-22 | ドルビー・ラボラトリーズ・ライセンシング・コーポレーション | 多次元音場のための符号器・復号器 |
| JPH05145743A (ja) * | 1991-11-21 | 1993-06-11 | Ricoh Co Ltd | 画像形成装置 |
| EP0563929B1 (en) * | 1992-04-03 | 1998-12-30 | Yamaha Corporation | Sound-image position control apparatus |
| US6490359B1 (en) * | 1992-04-27 | 2002-12-03 | David A. Gibson | Method and apparatus for using visual images to mix sound |
| GB2284130B (en) * | 1992-07-06 | 1997-01-22 | Adaptive Audio Ltd | Sound reproduction systems |
| JP2870562B2 (ja) * | 1992-11-30 | 1999-03-17 | 日本ビクター株式会社 | 音像定位制御の方法 |
| WO1994024836A1 (en) * | 1993-04-20 | 1994-10-27 | Sixgraph Technologies Ltd | Interactive sound placement system and process |
| US5436975A (en) * | 1994-02-02 | 1995-07-25 | Qsound Ltd. | Apparatus for cross fading out of the head sound locations |
| US5596644A (en) * | 1994-10-27 | 1997-01-21 | Aureal Semiconductor Inc. | Method and apparatus for efficient presentation of high-quality three-dimensional audio |
| US5850453A (en) | 1995-07-28 | 1998-12-15 | Srs Labs, Inc. | Acoustic correction apparatus |
| RU2106075C1 (ru) * | 1996-03-25 | 1998-02-27 | Владимир Анатольевич Ефремов | Пространственная звуковоспроизводящая система |
| US5970152A (en) * | 1996-04-30 | 1999-10-19 | Srs Labs, Inc. | Audio enhancement system for use in a surround sound environment |
| KR100370413B1 (ko) * | 1996-06-30 | 2003-04-10 | 삼성전자 주식회사 | 다채널 오디오 데이타의 재현시 채널수 변환방법 및 장치 |
| JPH10108300A (ja) * | 1996-09-27 | 1998-04-24 | Yamaha Corp | 音場再生装置 |
| US5912976A (en) * | 1996-11-07 | 1999-06-15 | Srs Labs, Inc. | Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| US6281749B1 (en) | 1997-06-17 | 2001-08-28 | Srs Labs, Inc. | Sound enhancement system |
| US6016473A (en) * | 1998-04-07 | 2000-01-18 | Dolby; Ray M. | Low bit-rate spatial coding method and system |
| GB2343347B (en) | 1998-06-20 | 2002-12-31 | Central Research Lab Ltd | A method of synthesising an audio signal |
| JP3781902B2 (ja) | 1998-07-01 | 2006-06-07 | 株式会社リコー | 音像定位制御装置および音像定位制御方式 |
| GB2342024B (en) * | 1998-09-23 | 2004-01-14 | Sony Uk Ltd | Audio processing |
| US7031474B1 (en) | 1999-10-04 | 2006-04-18 | Srs Labs, Inc. | Acoustic correction apparatus |
| US7277767B2 (en) | 1999-12-10 | 2007-10-02 | Srs Labs, Inc. | System and method for enhanced streaming audio |
| GB2370176A (en) * | 2000-08-10 | 2002-06-19 | James Gregory Stanier | A simple microphone unit for the vertical localisation and enhancement of live sounds |
| JP4602204B2 (ja) | 2005-08-31 | 2010-12-22 | ソニー株式会社 | 音声信号処理装置および音声信号処理方法 |
| JP4637725B2 (ja) | 2005-11-11 | 2011-02-23 | ソニー株式会社 | 音声信号処理装置、音声信号処理方法、プログラム |
| JP4894386B2 (ja) | 2006-07-21 | 2012-03-14 | 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音声信号処理プログラム |
| JP4835298B2 (ja) | 2006-07-21 | 2011-12-14 | ソニー株式会社 | オーディオ信号処理装置、オーディオ信号処理方法およびプログラム |
| US8050434B1 (en) | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
| US20080232601A1 (en) * | 2007-03-21 | 2008-09-25 | Ville Pulkki | Method and apparatus for enhancement of audio reconstruction |
| US8290167B2 (en) | 2007-03-21 | 2012-10-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
| US8908873B2 (en) | 2007-03-21 | 2014-12-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
| 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 |
| EP2124486A1 (de) * | 2008-05-13 | 2009-11-25 | Clemens Par | Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals |
| JP5499513B2 (ja) * | 2009-04-21 | 2014-05-21 | ソニー株式会社 | 音響処理装置、音像定位処理方法および音像定位処理プログラム |
| WO2012094335A1 (en) | 2011-01-04 | 2012-07-12 | Srs Labs, Inc. | Immersive audio rendering system |
| US9164724B2 (en) | 2011-08-26 | 2015-10-20 | Dts Llc | Audio adjustment system |
| US9351071B2 (en) * | 2012-01-17 | 2016-05-24 | Koninklijke Philips N.V. | Audio source position estimation |
| WO2017211448A1 (en) | 2016-06-06 | 2017-12-14 | Valenzuela Holding Gmbh | Method for generating a two-channel signal from a single-channel signal of a sound source |
| US10511909B2 (en) | 2017-11-29 | 2019-12-17 | Boomcloud 360, Inc. | Crosstalk cancellation for opposite-facing transaural loudspeaker systems |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152542A (en) * | 1971-10-06 | 1979-05-01 | Cooper Duane P | Multichannel matrix logic and encoding systems |
| US4308424A (en) * | 1980-04-14 | 1981-12-29 | Bice Jr Robert G | Simulated stereo from a monaural source sound reproduction system |
| NL8303945A (nl) * | 1983-11-17 | 1985-06-17 | Philips Nv | Inrichting voor het realiseren van een pseudo-stereo signaal. |
| JPS61281799A (ja) * | 1985-06-07 | 1986-12-12 | Dainabekutaa Kk | 音声信号再生方式 |
| US4759065A (en) * | 1986-09-22 | 1988-07-19 | Harman International Industries, Incorporated | Automotive sound system |
| WO1988009105A1 (en) * | 1987-05-11 | 1988-11-17 | Arthur Jampolsky | Paradoxical hearing aid |
-
1989
- 1989-08-01 BG BG089664A patent/BG60225B2/bg unknown
- 1989-08-29 IL IL9146489A patent/IL91464A/en not_active IP Right Cessation
- 1989-08-30 DE DE68922885T patent/DE68922885T2/de not_active Expired - Lifetime
- 1989-08-30 EP EP89308778A patent/EP0357402B1/en not_active Expired - Lifetime
- 1989-08-30 ES ES89308778T patent/ES2075053T3/es not_active Expired - Lifetime
- 1989-08-30 AT AT89308778T patent/ATE123369T1/de not_active IP Right Cessation
- 1989-08-31 NZ NZ230517A patent/NZ230517A/en unknown
- 1989-09-01 PL PL89281266A patent/PL163716B1/pl unknown
- 1989-09-01 RU SU894614944A patent/RU2092979C1/ru active
- 1989-09-01 AU AU41000/89A patent/AU621655B2/en not_active Ceased
- 1989-09-01 HU HU894545A patent/HUT59523A/hu unknown
- 1989-09-01 NO NO893522A patent/NO175229C/no unknown
- 1989-09-01 CA CA000610207A patent/CA1329911C/en not_active Expired - Lifetime
- 1989-09-01 DK DK433789A patent/DK433789A/da not_active Application Discontinuation
- 1989-09-01 FI FI894143A patent/FI894143A7/fi not_active IP Right Cessation
- 1989-09-02 KR KR1019890012767A patent/KR930002147B1/ko not_active Expired - Fee Related
- 1989-09-02 JP JP22816989A patent/JP3205808B2/ja not_active Expired - Lifetime
- 1989-09-04 AR AR89314840A patent/AR245858A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| NO175229C (no) | 1994-09-14 |
| BG60225B2 (bg) | 1993-12-30 |
| EP0357402A2 (en) | 1990-03-07 |
| EP0357402B1 (en) | 1995-05-31 |
| KR900005841A (ko) | 1990-04-14 |
| NO175229B (enrdf_load_stackoverflow) | 1994-06-06 |
| DE68922885D1 (de) | 1995-07-06 |
| DE68922885T2 (de) | 1995-10-12 |
| KR930002147B1 (ko) | 1993-03-26 |
| JPH02298200A (ja) | 1990-12-10 |
| JP3205808B2 (ja) | 2001-09-04 |
| DK433789D0 (da) | 1989-09-01 |
| FI894143A7 (fi) | 1990-03-03 |
| FI894143A0 (fi) | 1989-09-01 |
| DK433789A (da) | 1990-03-03 |
| AU4100089A (en) | 1990-03-08 |
| NZ230517A (en) | 1992-10-28 |
| HUT59523A (en) | 1992-05-28 |
| ATE123369T1 (de) | 1995-06-15 |
| NO893522D0 (no) | 1989-09-01 |
| EP0357402A3 (en) | 1991-10-02 |
| IL91464A (en) | 1994-11-28 |
| IL91464A0 (en) | 1990-04-29 |
| AU621655B2 (en) | 1992-03-19 |
| NO893522L (no) | 1990-03-05 |
| RU2092979C1 (ru) | 1997-10-10 |
| PL163716B1 (en) | 1994-04-29 |
| ES2075053T3 (es) | 1995-10-01 |
| AR245858A1 (es) | 1994-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1329911C (en) | Sound imaging method and apparatus | |
| US5105462A (en) | Sound imaging method and apparatus | |
| US5208860A (en) | Sound imaging method and apparatus | |
| US5046097A (en) | Sound imaging process | |
| US5438623A (en) | Multi-channel spatialization system for audio signals | |
| Snow | Basic principles of stereophonic sound | |
| US3665105A (en) | Method and apparatus for simulating location and movement of sound | |
| Cooper et al. | Prospects for transaural recording | |
| US4893342A (en) | Head diffraction compensated stereo system | |
| US5136651A (en) | Head diffraction compensated stereo system | |
| US6173061B1 (en) | Steering of monaural sources of sound using head related transfer functions | |
| US5034983A (en) | Head diffraction compensated stereo system | |
| GB2277239A (en) | Mixing audio signals | |
| US5751817A (en) | Simplified analog virtual externalization for stereophonic audio | |
| JPH1146400A (ja) | 音像定位装置 | |
| EP0890295B1 (en) | Apparatus for processing stereophonic signals | |
| US20030169886A1 (en) | Method and apparatus for encoding mixed surround sound into a single stereo pair | |
| US2768237A (en) | Sound system | |
| JP3409364B2 (ja) | 音像定位制御装置 | |
| KR19980031979A (ko) | 머리전달 함수를 이용한 두 채널에서의 3차원 음장 재생방법 및 장치 | |
| JPS60840B2 (ja) | ステレオ方式 | |
| Bauer | Some techniques toward better stereophnic perspective | |
| JP2924539B2 (ja) | 音像定位制御方法 | |
| KR100284457B1 (ko) | 삼차원으로 녹음시킬 수 있는 음원의 처리방법 | |
| JP2526711B2 (ja) | 音像定位装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |
Effective date: 20110531 |