BG60225B2 - Method and device for sound image formation - Google Patents
Method and device for sound image formationInfo
- Publication number
- BG60225B2 BG60225B2 BG89664A BG8966489A BG60225B2 BG 60225 B2 BG60225 B2 BG 60225B2 BG 89664 A BG89664 A BG 89664A BG 8966489 A BG8966489 A BG 8966489A BG 60225 B2 BG60225 B2 BG 60225B2
- Authority
- BG
- Bulgaria
- Prior art keywords
- acoustic
- channels
- amplitude
- electric signal
- phase
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 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 (2)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
BG60225B2 true BG60225B2 (en) | 1993-12-30 |
Family
ID=26933039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG89664A BG60225B2 (en) | 1988-09-02 | 1989-08-01 | Method and device for sound image formation |
Country Status (18)
Country | Link |
---|---|
EP (1) | EP0357402B1 (de) |
JP (1) | JP3205808B2 (de) |
KR (1) | KR930002147B1 (de) |
AR (1) | AR245858A1 (de) |
AT (1) | ATE123369T1 (de) |
AU (1) | AU621655B2 (de) |
BG (1) | BG60225B2 (de) |
CA (1) | CA1329911C (de) |
DE (1) | DE68922885T2 (de) |
DK (1) | DK433789A (de) |
ES (1) | ES2075053T3 (de) |
FI (1) | FI894143A (de) |
HU (1) | HUT59523A (de) |
IL (1) | IL91464A (de) |
NO (1) | NO175229C (de) |
NZ (1) | NZ230517A (de) |
PL (1) | PL163716B1 (de) |
RU (1) | RU2092979C1 (de) |
Families Citing this family (39)
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 |
AU653582B2 (en) * | 1991-01-08 | 1994-10-06 | Dolby Laboratories Licensing Corporation | Encoder/decoder for multidimensional sound fields |
JPH05145743A (ja) * | 1991-11-21 | 1993-06-11 | Ricoh Co Ltd | 画像形成装置 |
DE69322805T2 (de) * | 1992-04-03 | 1999-08-26 | Yamaha Corp | Verfahren zur Steuerung von Tonquellenposition |
US6490359B1 (en) * | 1992-04-27 | 2002-12-03 | David A. Gibson | Method and apparatus for using visual images to mix sound |
JP3565846B2 (ja) * | 1992-07-06 | 2004-09-15 | アダプティブ オーディオ リミテッド | 適応音響システム及び音再生システム |
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 |
AU4037693A (en) * | 1993-04-20 | 1994-11-08 | 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 |
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 |
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 |
US8050434B1 (en) | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
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 |
JP6225118B2 (ja) * | 2012-01-17 | 2017-11-01 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 音源位置推定 |
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 BG89664A 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/de 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 HU HU894545A patent/HUT59523A/hu unknown
- 1989-09-01 FI FI894143A patent/FI894143A/fi not_active IP Right Cessation
- 1989-09-01 DK DK433789A patent/DK433789A/da not_active Application Discontinuation
- 1989-09-01 RU SU894614944A patent/RU2092979C1/ru active
- 1989-09-01 NO NO893522A patent/NO175229C/no unknown
- 1989-09-01 AU AU41000/89A patent/AU621655B2/en not_active Ceased
- 1989-09-01 PL PL89281266A patent/PL163716B1/pl unknown
- 1989-09-01 CA CA000610207A patent/CA1329911C/en not_active Expired - Lifetime
- 1989-09-02 KR KR1019890012767A patent/KR930002147B1/ko not_active IP Right Cessation
- 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 |
---|---|
NO893522L (no) | 1990-03-05 |
IL91464A0 (en) | 1990-04-29 |
AR245858A1 (es) | 1994-02-28 |
PL163716B1 (en) | 1994-04-29 |
RU2092979C1 (ru) | 1997-10-10 |
NO893522D0 (no) | 1989-09-01 |
JP3205808B2 (ja) | 2001-09-04 |
EP0357402B1 (de) | 1995-05-31 |
JPH02298200A (ja) | 1990-12-10 |
DK433789A (da) | 1990-03-03 |
NO175229C (no) | 1994-09-14 |
KR930002147B1 (ko) | 1993-03-26 |
KR900005841A (ko) | 1990-04-14 |
ATE123369T1 (de) | 1995-06-15 |
ES2075053T3 (es) | 1995-10-01 |
FI894143A0 (fi) | 1989-09-01 |
HUT59523A (en) | 1992-05-28 |
NO175229B (de) | 1994-06-06 |
AU4100089A (en) | 1990-03-08 |
NZ230517A (en) | 1992-10-28 |
AU621655B2 (en) | 1992-03-19 |
CA1329911C (en) | 1994-05-31 |
EP0357402A2 (de) | 1990-03-07 |
DK433789D0 (da) | 1989-09-01 |
EP0357402A3 (de) | 1991-10-02 |
DE68922885T2 (de) | 1995-10-12 |
IL91464A (en) | 1994-11-28 |
FI894143A (fi) | 1990-03-03 |
DE68922885D1 (de) | 1995-07-06 |
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