ES2075053T3 - Metodo y aparato para formar imagenes de sonidos. - Google Patents
Metodo y aparato para formar imagenes de sonidos.Info
- Publication number
- ES2075053T3 ES2075053T3 ES89308778T ES89308778T ES2075053T3 ES 2075053 T3 ES2075053 T3 ES 2075053T3 ES 89308778 T ES89308778 T ES 89308778T ES 89308778 T ES89308778 T ES 89308778T ES 2075053 T3 ES2075053 T3 ES 2075053T3
- Authority
- ES
- Spain
- Prior art keywords
- sound
- different
- signals
- channel
- sonic
- 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
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)
Abstract
LA ILUSION PROPORCIONADA AL OYENTE DE FUENTES DISTINTAS DE SONIDO DISTRIBUIDAS EN UN ESPACIO TRIDIMENSIONAL SE OBTIENE UTILIZANDO UN EQUIPO DE REPRODUCCION ESTEREOFONICO CONVENCIONAL, PROCESANDO SEÑALES SONICAS MONOAURALES ANTES DE LA REPRODUCCION EN DOS TRANSDUCTORES SEPARADOS. UNA PLURALIDAD DE DICHS SEÑALES PROCESADAS CORRESPONDIENTES A DIFERENTES POSICIONES DE FUENTE SONICA SE MEZCLAN UTILIZANDO TECNICAS CONVENCIONALES SIN PERTURBAR LAS POSICIONES DE LA SIMAGENES INDIVIDUALES. AUNQUE SE PRECISAN DOS ALTAVOCES, EL SONIDO PRODUCIDO NO ES UN SONIDO ESTEREOFONICO CONVENCIONAL, SIN EMBARGO, CADA CANAL DE UNA SEÑAL ESTEREOFONICA IZQUIERDA/DERECHA PUEDE SER PROCESADA SEPARADAMENTE DE ACUERDO CON EL INVENTO Y COMBINADAS PARA SU REPRODUCCION. EL PROCESAMIENTO DEL SONIDO INCLUYE LA DIVISION DE CADA SEÑAL DE CANAL MONAURAL O UNITARIO EN DOS SEÑALES Y ENTONCES SE AJUSTA LA FASE Y LA AMPLITUD DIFERENCIALES DE LAS DOS SEÑALES DE CANAL EN BASE A LA FRECUENCIA DE ACUERDO CON UNA FUNCION DE TRANSFERENCIA DERIVADA EMPIRICAMENTE QUE TIENE UNA FASE ESPECIFICA Y UN AJUSTE DE AMPLITUD PARA CADA INTERVALO DE FRECUENCIA PREDETERMINADA SOBRE EL ESPECTRO AUDIO. CADA FUNCION DE TRANSFERENCIA SE DERIVA EMPIRICAMENTE PARA RELACIONARSE CON UN PUNTO DE ALIMENTACION DE SONIDO DIFERENTE Y PROPORCIONANDO UN NUMERO DE FUNCIONES DE TRANSFERENCIA DIFERENTES Y SELECCIONANDOLAS DE FORMA ADECUADA DE MODO QUE PAREZCA QUE LA FUENTE SONICA SE MUEVE.
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 |
---|---|
ES2075053T3 true ES2075053T3 (es) | 1995-10-01 |
Family
ID=26933039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89308778T Expired - Lifetime ES2075053T3 (es) | 1988-09-02 | 1989-08-30 | Metodo y aparato para formar imagenes de sonidos. |
Country Status (18)
Country | Link |
---|---|
EP (1) | EP0357402B1 (es) |
JP (1) | JP3205808B2 (es) |
KR (1) | KR930002147B1 (es) |
AR (1) | AR245858A1 (es) |
AT (1) | ATE123369T1 (es) |
AU (1) | AU621655B2 (es) |
BG (1) | BG60225B2 (es) |
CA (1) | CA1329911C (es) |
DE (1) | DE68922885T2 (es) |
DK (1) | DK433789A (es) |
ES (1) | ES2075053T3 (es) |
FI (1) | FI894143A (es) |
HU (1) | HUT59523A (es) |
IL (1) | IL91464A (es) |
NO (1) | NO175229C (es) |
NZ (1) | NZ230517A (es) |
PL (1) | PL163716B1 (es) |
RU (1) | RU2092979C1 (es) |
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/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 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 (en) | 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 |
FI894143A0 (fi) | 1989-09-01 |
HUT59523A (en) | 1992-05-28 |
NO175229B (es) | 1994-06-06 |
AU4100089A (en) | 1990-03-08 |
NZ230517A (en) | 1992-10-28 |
AU621655B2 (en) | 1992-03-19 |
CA1329911C (en) | 1994-05-31 |
EP0357402A2 (en) | 1990-03-07 |
DK433789D0 (da) | 1989-09-01 |
EP0357402A3 (en) | 1991-10-02 |
DE68922885T2 (de) | 1995-10-12 |
IL91464A (en) | 1994-11-28 |
FI894143A (fi) | 1990-03-03 |
BG60225B2 (en) | 1993-12-30 |
DE68922885D1 (de) | 1995-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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