IT8920356A0 - Dispositivo di commutazione per la selezione di un circuito di espansione stereo. - Google Patents
Dispositivo di commutazione per la selezione di un circuito di espansione stereo.Info
- Publication number
- IT8920356A0 IT8920356A0 IT8920356A IT2035689A IT8920356A0 IT 8920356 A0 IT8920356 A0 IT 8920356A0 IT 8920356 A IT8920356 A IT 8920356A IT 2035689 A IT2035689 A IT 2035689A IT 8920356 A0 IT8920356 A0 IT 8920356A0
- Authority
- IT
- Italy
- Prior art keywords
- selecting
- switching device
- expansion circuit
- stereo expansion
- stereo
- Prior art date
Links
Classifications
-
- 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
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Amplifiers (AREA)
- Stereo-Broadcasting Methods (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/190,438 US4831652A (en) | 1988-05-05 | 1988-05-05 | Stereo expansion circuit selection switch |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8920356A0 true IT8920356A0 (it) | 1989-05-03 |
IT1229326B IT1229326B (it) | 1991-08-08 |
Family
ID=22701361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8920356A IT1229326B (it) | 1988-05-05 | 1989-05-03 | Dispositivo di commutazione per la selezione di un circuito di espansione stereo. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4831652A (it) |
JP (1) | JP2739494B2 (it) |
KR (1) | KR0135286B1 (it) |
CA (1) | CA1304005C (it) |
DE (1) | DE3914681A1 (it) |
FR (1) | FR2631196B1 (it) |
GB (1) | GB2218600B (it) |
HK (1) | HK88097A (it) |
IT (1) | IT1229326B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2677839A1 (fr) * | 1991-06-14 | 1992-12-18 | Looktag Ltd | Procede et dispositif pour systeme stereophonique de reproduction du son. |
TW441906U (en) * | 1992-08-28 | 2001-06-16 | Thomson Consumer Electronics | Audio signal processing apparatus and television apparatus |
US5425106A (en) * | 1993-06-25 | 1995-06-13 | Hda Entertainment, Inc. | Integrated circuit for audio enhancement system |
US5692050A (en) * | 1995-06-15 | 1997-11-25 | Binaura Corporation | Method and apparatus for spatially enhancing stereo and monophonic signals |
US6130954A (en) * | 1996-01-02 | 2000-10-10 | Carver; Robert W. | High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround |
WO1998007294A1 (en) | 1996-08-12 | 1998-02-19 | Carver R W | High back emf, high pressure subwoofer |
US6947564B1 (en) | 1999-01-11 | 2005-09-20 | Thomson Licensing | Stereophonic spatial expansion circuit with tonal compensation and active matrixing |
US7031474B1 (en) * | 1999-10-04 | 2006-04-18 | Srs Labs, Inc. | Acoustic correction apparatus |
US7088827B1 (en) * | 1999-12-09 | 2006-08-08 | Broan-Nutone Llc | Reconfigurable speaker system |
US7277767B2 (en) * | 1999-12-10 | 2007-10-02 | Srs Labs, Inc. | System and method for enhanced streaming audio |
DE10057897C2 (de) * | 2000-11-22 | 2002-12-05 | Texas Instruments Deutschland | Schaltungsanordnung zur Verbreiterung der Stereobasis bei der Wiedergabe stereophoner Tonsignale |
US6735314B2 (en) * | 2002-05-13 | 2004-05-11 | Thomson Licensing S.A. | Expanded stereophonic circuit with tonal compensation |
US8050434B1 (en) | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
WO2014190140A1 (en) | 2013-05-23 | 2014-11-27 | Alan Kraemer | Headphone audio enhancement system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3249696A (en) * | 1961-10-16 | 1966-05-03 | Zenith Radio Corp | Simplified extended stereo |
US3417203A (en) * | 1965-04-13 | 1968-12-17 | Dynaco Inc | Two-channel stereo system with derived center channel |
JPS51144202A (en) * | 1975-06-05 | 1976-12-11 | Sony Corp | Stereophonic sound reproduction process |
US4162457A (en) * | 1977-12-30 | 1979-07-24 | Grodinsky Robert M | Expansion circuit for improved stereo and apparent monaural image |
DE2822735C2 (de) * | 1978-05-24 | 1985-04-25 | Shin-Shirasuna Electric Corp., Nagoya, Aichi | Stereophone Wiedergabevorrichtung |
JPS5921600Y2 (ja) * | 1980-08-22 | 1984-06-26 | オリンパス光学工業株式会社 | 音響再生装置 |
JPS5814700A (ja) * | 1981-07-20 | 1983-01-27 | Sanyo Electric Co Ltd | ステレオ式音響装置の音場拡大回路 |
US4495637A (en) * | 1982-07-23 | 1985-01-22 | Sci-Coustics, Inc. | Apparatus and method for enhanced psychoacoustic imagery using asymmetric cross-channel feed |
DD211033A1 (de) * | 1982-10-25 | 1984-06-27 | Rainer Hedler | Elektronische stereo-basisverbreiterung und uebersprechkompensator |
JPS59158200A (ja) * | 1983-02-25 | 1984-09-07 | Sony Corp | 音声処理回路 |
US4700389A (en) * | 1985-02-15 | 1987-10-13 | Pioneer Electronic Corporation | Stereo sound field enlarging circuit |
JPS6316796U (it) * | 1986-07-18 | 1988-02-03 |
-
1988
- 1988-05-05 US US07/190,438 patent/US4831652A/en not_active Expired - Lifetime
-
1989
- 1989-04-13 CA CA000596660A patent/CA1304005C/en not_active Expired - Lifetime
- 1989-05-02 JP JP1112358A patent/JP2739494B2/ja not_active Expired - Fee Related
- 1989-05-02 KR KR1019890005890A patent/KR0135286B1/ko not_active IP Right Cessation
- 1989-05-03 DE DE3914681A patent/DE3914681A1/de active Granted
- 1989-05-03 FR FR898905921A patent/FR2631196B1/fr not_active Expired - Fee Related
- 1989-05-03 IT IT8920356A patent/IT1229326B/it active
- 1989-05-04 GB GB8910264A patent/GB2218600B/en not_active Expired - Lifetime
-
1997
- 1997-06-26 HK HK88097A patent/HK88097A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1304005C (en) | 1992-06-23 |
GB8910264D0 (en) | 1989-06-21 |
IT1229326B (it) | 1991-08-08 |
HK88097A (en) | 1997-06-27 |
DE3914681A1 (de) | 1989-11-16 |
GB2218600B (en) | 1992-06-17 |
JPH01318400A (ja) | 1989-12-22 |
US4831652A (en) | 1989-05-16 |
GB2218600A (en) | 1989-11-15 |
KR890017998A (ko) | 1989-12-18 |
FR2631196B1 (fr) | 1994-10-21 |
FR2631196A1 (fr) | 1989-11-10 |
JP2739494B2 (ja) | 1998-04-15 |
DE3914681C2 (it) | 1992-04-23 |
KR0135286B1 (ko) | 1998-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970529 |