NL163939C - Signaal conversie systeem. - Google Patents
Signaal conversie systeem.Info
- Publication number
- NL163939C NL163939C NL7217342.A NL7217342A NL163939C NL 163939 C NL163939 C NL 163939C NL 7217342 A NL7217342 A NL 7217342A NL 163939 C NL163939 C NL 163939C
- Authority
- NL
- Netherlands
- Prior art keywords
- signal conversion
- conversion system
- signal
- conversion
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Mathematical Analysis (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10397071A JPS5313962B2 (xx) | 1971-12-21 | 1971-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7217342A NL7217342A (xx) | 1973-06-25 |
NL163939C true NL163939C (nl) | 1980-10-15 |
Family
ID=14368190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7217342.A NL163939C (nl) | 1971-12-21 | 1972-12-20 | Signaal conversie systeem. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3885101A (xx) |
JP (1) | JPS5313962B2 (xx) |
DE (1) | DE2262761C3 (xx) |
GB (1) | GB1402474A (xx) |
NL (1) | NL163939C (xx) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1494751A (en) * | 1974-03-26 | 1977-12-14 | Nat Res Dev | Sound reproduction systems |
US3971890A (en) * | 1975-02-10 | 1976-07-27 | Cbs Inc. | Method and apparatus for quadraphonic enhancement of stereophonic signals |
GB1550627A (en) * | 1975-11-13 | 1979-08-15 | Nat Res Dev | Sound reproduction systems |
JPS56102625A (en) * | 1980-01-19 | 1981-08-17 | Matsushita Electric Ind Co Ltd | Cooker |
US5412731A (en) * | 1982-11-08 | 1995-05-02 | Desper Products, Inc. | Automatic stereophonic manipulation system and apparatus for image enhancement |
US4589129A (en) * | 1984-02-21 | 1986-05-13 | Kintek, Inc. | Signal decoding system |
US4612663A (en) * | 1984-03-26 | 1986-09-16 | Holbrook Kyle A | Multichannel audio reproduction system |
US5046098A (en) * | 1985-03-07 | 1991-09-03 | Dolby Laboratories Licensing Corporation | Variable matrix decoder with three output channels |
US4799260A (en) * | 1985-03-07 | 1989-01-17 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
US4819269A (en) * | 1987-07-21 | 1989-04-04 | Hughes Aircraft Company | Extended imaging split mode loudspeaker system |
US4910778A (en) * | 1987-10-16 | 1990-03-20 | Barton Geoffrey J | Signal enhancement processor for stereo system |
US5661808A (en) | 1995-04-27 | 1997-08-26 | Srs Labs, Inc. | Stereo enhancement system |
US5850453A (en) | 1995-07-28 | 1998-12-15 | Srs Labs, Inc. | Acoustic correction apparatus |
US5708719A (en) * | 1995-09-07 | 1998-01-13 | Rep Investment Limited Liability Company | In-home theater surround sound speaker system |
US5930370A (en) * | 1995-09-07 | 1999-07-27 | Rep Investment Limited Liability | In-home theater surround sound speaker system |
US6118876A (en) * | 1995-09-07 | 2000-09-12 | Rep Investment Limited Liability Company | Surround sound speaker system for improved spatial effects |
US5970152A (en) * | 1996-04-30 | 1999-10-19 | Srs Labs, Inc. | Audio enhancement system for use in a surround sound environment |
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 |
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 |
JP2007208679A (ja) * | 2006-02-02 | 2007-08-16 | Matsushita Electric Ind Co Ltd | 音響再生装置 |
US8050434B1 (en) | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
CN103329571B (zh) | 2011-01-04 | 2016-08-10 | Dts有限责任公司 | 沉浸式音频呈现系统 |
US9258664B2 (en) | 2013-05-23 | 2016-02-09 | Comhear, Inc. | Headphone audio enhancement system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3329772A (en) * | 1963-10-28 | 1967-07-04 | John H Farrell | Binaural simulator |
US3170991A (en) * | 1963-11-27 | 1965-02-23 | Glasgal Ralph | System for stereo separation ratio control, elimination of cross-talk and the like |
US3718773A (en) * | 1970-05-18 | 1973-02-27 | Barnard R | Four channel recording and reproducing system |
US3757047A (en) * | 1970-05-21 | 1973-09-04 | Sansui Electric Co | Four channel sound reproduction system |
US3684835A (en) * | 1970-07-29 | 1972-08-15 | Parasound Inc | Four channel stereo synthesizer |
CA942198A (en) * | 1970-09-15 | 1974-02-19 | Kazuho Ohta | Multidimensional stereophonic reproducing system |
NL172815B (nl) * | 1971-04-13 | Sony Corp | Meervoudige geluidweergeefinrichting. | |
US3697692A (en) * | 1971-06-10 | 1972-10-10 | Dynaco Inc | Two-channel,four-component stereophonic system |
US3710023A (en) * | 1971-09-27 | 1973-01-09 | Int Technical Dev Corp | Sound reproducing system for a four speaker stereo utilizing signal expansion and signal delay |
-
1971
- 1971-12-21 JP JP10397071A patent/JPS5313962B2/ja not_active Expired
-
1972
- 1972-12-18 US US315928A patent/US3885101A/en not_active Expired - Lifetime
- 1972-12-20 GB GB5875772A patent/GB1402474A/en not_active Expired
- 1972-12-20 NL NL7217342.A patent/NL163939C/xx not_active IP Right Cessation
- 1972-12-21 DE DE2262761A patent/DE2262761C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2262761B2 (de) | 1980-08-21 |
GB1402474A (en) | 1975-08-06 |
JPS5313962B2 (xx) | 1978-05-13 |
US3885101A (en) | 1975-05-20 |
DE2262761A1 (de) | 1973-07-05 |
JPS4869501A (xx) | 1973-09-21 |
DE2262761C3 (de) | 1981-04-09 |
NL7217342A (xx) | 1973-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |