DK156361C - Apparat til frembringelse af kunstige stereofonisignaler - Google Patents
Apparat til frembringelse af kunstige stereofonisignalerInfo
- Publication number
- DK156361C DK156361C DK100380A DK100380A DK156361C DK 156361 C DK156361 C DK 156361C DK 100380 A DK100380 A DK 100380A DK 100380 A DK100380 A DK 100380A DK 156361 C DK156361 C DK 156361C
- Authority
- DK
- Denmark
- Prior art keywords
- stereophone
- signals
- producing artificial
- artificial
- producing
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1890579 | 1979-03-09 | ||
US06/018,905 US4239939A (en) | 1979-03-09 | 1979-03-09 | Stereophonic sound synthesizer |
Publications (3)
Publication Number | Publication Date |
---|---|
DK100380A DK100380A (da) | 1980-09-10 |
DK156361B DK156361B (da) | 1989-08-07 |
DK156361C true DK156361C (da) | 1989-12-27 |
Family
ID=21790357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK100380A DK156361C (da) | 1979-03-09 | 1980-03-07 | Apparat til frembringelse af kunstige stereofonisignaler |
Country Status (6)
Country | Link |
---|---|
US (1) | US4239939A (ja) |
EP (1) | EP0015770A1 (ja) |
JP (1) | JPS55123300A (ja) |
KR (1) | KR830000937B1 (ja) |
CA (1) | CA1135839A (ja) |
DK (1) | DK156361C (ja) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4449229A (en) * | 1980-10-24 | 1984-05-15 | Pioneer Electronic Corporation | Signal processing circuit |
US4394535A (en) * | 1981-03-09 | 1983-07-19 | Rca Corporation | Split phase stereophonic sound synthesizer |
US4479235A (en) * | 1981-05-08 | 1984-10-23 | Rca Corporation | Switching arrangement for a stereophonic sound synthesizer |
IT1209458B (it) * | 1981-05-08 | 1989-08-30 | Rca Corp | Complesso di commutazione per un sintetizzatore audio stereofonico. |
US4555795A (en) * | 1982-07-22 | 1985-11-26 | Tvi Systems, Ltd. | Monaural to binaural audio processor |
GB2134358A (en) * | 1982-07-22 | 1984-08-08 | Tvi Systems Ltd | Monaural to binaural audio processor |
US4517602A (en) * | 1982-10-18 | 1985-05-14 | Rca Corporation | Dynamic noise filter for an audio signal in a television |
US4653096A (en) * | 1984-03-16 | 1987-03-24 | Nippon Gakki Seizo Kabushiki Kaisha | Device for forming a simulated stereophonic sound field |
US4748669A (en) * | 1986-03-27 | 1988-05-31 | Hughes Aircraft Company | Stereo enhancement system |
US4783814A (en) * | 1986-10-09 | 1988-11-08 | Comprehensive Health Care Corp. Of America | Stethoscope having pseudostereophonic binaural enhancement |
US4739514A (en) * | 1986-12-22 | 1988-04-19 | Bose Corporation | Automatic dynamic equalizing |
JP2610139B2 (ja) * | 1987-09-05 | 1997-05-14 | ヤマハ株式会社 | 楽音発生装置 |
US4841572A (en) * | 1988-03-14 | 1989-06-20 | Hughes Aircraft Company | Stereo synthesizer |
US5274708A (en) * | 1992-06-01 | 1993-12-28 | Fusan Labs, Inc. | Digital stereo sound enhancement unit and method |
JP2886402B2 (ja) * | 1992-12-22 | 1999-04-26 | 株式会社河合楽器製作所 | ステレオ信号発生装置 |
KR0120086Y1 (ko) * | 1993-08-31 | 1998-07-15 | 김광호 | 사운드 절환회로 |
US5661808A (en) | 1995-04-27 | 1997-08-26 | Srs Labs, Inc. | Stereo enhancement system |
US5692050A (en) * | 1995-06-15 | 1997-11-25 | Binaura Corporation | Method and apparatus for spatially enhancing stereo and monophonic signals |
US6590983B1 (en) * | 1998-10-13 | 2003-07-08 | Srs Labs, Inc. | Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input |
US7260231B1 (en) * | 1999-05-26 | 2007-08-21 | Donald Scott Wedge | Multi-channel audio panel |
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 |
US7016509B1 (en) | 2000-09-08 | 2006-03-21 | Harman International Industries, Inc. | System and method for varying low audio frequencies inversely with audio signal level |
US7522733B2 (en) * | 2003-12-12 | 2009-04-21 | Srs Labs, Inc. | Systems and methods of spatial image enhancement of a sound source |
JP5063528B2 (ja) * | 2008-08-21 | 2012-10-31 | 株式会社オーディオテクニカ | ノイズキャンセルシステム |
JP2014168228A (ja) * | 2013-01-30 | 2014-09-11 | Yamaha Corp | 放音装置 |
WO2014190140A1 (en) | 2013-05-23 | 2014-11-27 | Alan Kraemer | Headphone audio enhancement system |
FI20195726A1 (en) | 2019-09-02 | 2021-03-03 | Genelec Oy | A system and method for producing complementary sound |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2616970A (en) * | 1948-02-11 | 1952-11-04 | Hartford Nat Bank & Trust Co | Device for the transmission by electrical means of oscillations of acoustic frequency |
DE944799C (de) * | 1954-10-23 | 1956-06-21 | Nordwestdeutscher Rundfunk | Anordnung fuer Einkanal-Stereophonie |
US3056854A (en) * | 1957-11-27 | 1962-10-02 | Unitronics Corp | Binaural sound system for television receivers |
US3670106A (en) * | 1970-04-06 | 1972-06-13 | Parasound Inc | Stereo synthesizer |
US4137510A (en) * | 1976-01-22 | 1979-01-30 | Victor Company Of Japan, Ltd. | Frequency band dividing filter |
-
1979
- 1979-03-09 US US06/018,905 patent/US4239939A/en not_active Expired - Lifetime
-
1980
- 1980-02-28 CA CA000346611A patent/CA1135839A/en not_active Expired
- 1980-03-05 JP JP2857180A patent/JPS55123300A/ja active Granted
- 1980-03-07 EP EP80300723A patent/EP0015770A1/en not_active Ceased
- 1980-03-07 DK DK100380A patent/DK156361C/da not_active IP Right Cessation
- 1980-03-08 KR KR1019800000965A patent/KR830000937B1/ko active
Also Published As
Publication number | Publication date |
---|---|
DK100380A (da) | 1980-09-10 |
EP0015770A1 (en) | 1980-09-17 |
KR830000937B1 (ko) | 1983-05-11 |
DK156361B (da) | 1989-08-07 |
JPH0136320B2 (ja) | 1989-07-31 |
CA1135839A (en) | 1982-11-16 |
JPS55123300A (en) | 1980-09-22 |
US4239939A (en) | 1980-12-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK156361C (da) | Apparat til frembringelse af kunstige stereofonisignaler | |
DK16881A (da) | Apparat til frembringelse af hjerneboelgesignaler | |
DK47379A (da) | Apparat til fremstilling af popkorn | |
DK154028C (da) | Apparat til fremstilling af siliciumstave | |
DK42480A (da) | Fremgangsmaade til fremstilling af 1-aryl-2-acylamido-3-fluor-1-propanoler | |
DK15980A (da) | Apparat til optisk aflaesning af tegn | |
FI802482A (fi) | Foerfarande och apparat foer formning av traefibrer | |
DK149673C (da) | Apparat til gengivelse af informationssignaler | |
DK156462C (da) | Apparat til fremstilling af stoebeforme af sand | |
SE7802905L (sv) | Apparat | |
DK145596C (da) | Apparat til optagning af levende fisk | |
SE7611343L (sv) | Apparat for silning av pappersmassa | |
DK153424C (da) | Apparat til maaling af akustisk effekt | |
DK387081A (da) | Apparat til frembringelse af en frem-og tilbagegaaende bevaegelse | |
SE7809040L (sv) | Apparat for indrivning av festorgan | |
DK144979A (da) | Apparat til fremstilling af fotografiske billeder | |
DK404177A (da) | Apparat til fremstilling af meneralfibre | |
DK493078A (da) | Elektromedicinsk apparat | |
DK489381A (da) | Fremgangsmaade til fremstilling af aminopropoxyphenylderivater | |
DK154992C (da) | Apparat til fremstilling af chokoladeformdele | |
DK245677A (da) | Apparat til fremstilling af sammensatte bjelker | |
DK159277A (da) | Apparat til fremstilling af komprimerede affaldsbriketter | |
DK372081A (da) | Fremgangsmaade til fremstilling af fluorerede pentendiaminderivater | |
DK134278A (da) | Apparat til fremstilling af ost | |
DK150277A (da) | Apparat til formning af fjerkre |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |