JPH0136320B2 - - Google Patents
Info
- Publication number
- JPH0136320B2 JPH0136320B2 JP55028571A JP2857180A JPH0136320B2 JP H0136320 B2 JPH0136320 B2 JP H0136320B2 JP 55028571 A JP55028571 A JP 55028571A JP 2857180 A JP2857180 A JP 2857180A JP H0136320 B2 JPH0136320 B2 JP H0136320B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sound
- frequency
- phase
- stereophonic
- 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
Links
- 230000004044 response Effects 0.000 claims description 44
- 230000002194 synthesizing effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 27
- 239000003990 capacitor Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 17
- 238000001228 spectrum Methods 0.000 description 16
- ZYXYTGQFPZEUFX-UHFFFAOYSA-N benzpyrimoxan Chemical compound O1C(OCCC1)C=1C(=NC=NC=1)OCC1=CC=C(C=C1)C(F)(F)F ZYXYTGQFPZEUFX-UHFFFAOYSA-N 0.000 description 11
- 210000001260 vocal cord Anatomy 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 8
- 230000001755 vocal effect Effects 0.000 description 8
- 230000002238 attenuated effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000295 complement effect Effects 0.000 description 6
- 210000000867 larynx Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 210000005069 ears Anatomy 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000000981 bystander Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004704 glottis Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/018,905 US4239939A (en) | 1979-03-09 | 1979-03-09 | Stereophonic sound synthesizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55123300A JPS55123300A (en) | 1980-09-22 |
| JPH0136320B2 true JPH0136320B2 (enExample) | 1989-07-31 |
Family
ID=21790357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2857180A Granted JPS55123300A (en) | 1979-03-09 | 1980-03-05 | Stereophonic sound synthesizer |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4239939A (enExample) |
| EP (1) | EP0015770A1 (enExample) |
| JP (1) | JPS55123300A (enExample) |
| KR (1) | KR830000937B1 (enExample) |
| CA (1) | CA1135839A (enExample) |
| DK (1) | DK156361C (enExample) |
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 |
| IT1209458B (it) * | 1981-05-08 | 1989-08-30 | Rca Corp | Complesso di commutazione per un sintetizzatore audio stereofonico. |
| US4479235A (en) * | 1981-05-08 | 1984-10-23 | Rca Corporation | Switching arrangement for a stereophonic sound synthesizer |
| JPS59501846A (ja) * | 1982-07-22 | 1984-11-01 | テイ ブイ アイ システムズ，リミテツド | モノラル／バイノ−ラル音声処理装置 |
| US4555795A (en) * | 1982-07-22 | 1985-11-26 | 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 |
| US9258664B2 (en) | 2013-05-23 | 2016-02-09 | Comhear, Inc. | Headphone audio enhancement system |
| FI131802B1 (en) * | 2019-09-02 | 2025-12-05 | Genelec Oy | 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 DK DK100380A patent/DK156361C/da not_active IP Right Cessation
- 1980-03-07 EP EP80300723A patent/EP0015770A1/en not_active Ceased
- 1980-03-08 KR KR1019800000965A patent/KR830000937B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK100380A (da) | 1980-09-10 |
| US4239939A (en) | 1980-12-16 |
| KR830000937B1 (ko) | 1983-05-11 |
| CA1135839A (en) | 1982-11-16 |
| DK156361C (da) | 1989-12-27 |
| DK156361B (da) | 1989-08-07 |
| EP0015770A1 (en) | 1980-09-17 |
| JPS55123300A (en) | 1980-09-22 |
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