KR960002472B1 - 센터 모드 콘트롤 회로 - Google Patents
센터 모드 콘트롤 회로 Download PDFInfo
- Publication number
- KR960002472B1 KR960002472B1 KR1019890011444A KR890011444A KR960002472B1 KR 960002472 B1 KR960002472 B1 KR 960002472B1 KR 1019890011444 A KR1019890011444 A KR 1019890011444A KR 890011444 A KR890011444 A KR 890011444A KR 960002472 B1 KR960002472 B1 KR 960002472B1
- Authority
- KR
- South Korea
- Prior art keywords
- center
- signal
- input signal
- control circuit
- input
- 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 - Fee Related
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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
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
Abstract
Description
Claims (5)
- 센터 입력신호의 저역성분을 좌우 스테레오 입력신호에 가산하는 노말 모드, 상기 센터 입력신호의 전역을 좌우 스테레오 입력신호에 가산하는 팬텀 모드, 및 상기 센터 입력신호를 좌우 스테레오 입력신호에 가산하지 않는 와이드 모드의 3개의 모드 절환을 행하는 센터 모드 콘트롤 회로에 있어서, 상기 센터 입력신호를 증폭하는 증폭부, 상기 증폭부의 입력단에 접속된 절환 스위치, 및 상기 절환 스위치에 의하여 절환되는 콘덴서를 포함하고, 상기 콘트롤 회로가 상기 절환 스위치를 절환 제어함으로써 상기 3개의 모드 절환을 행하도록 하는 것을 특징으로 하는 센터 모드 콘트롤 회로.
- 제1항에 있어서, 상기 증폭부는 정 및 부 입력단자와 출력단자를 구비하고, 상기 절환 스위치는 상기 정 입력단자에 접속되어, 상기 정 입력단자를 개방상태, 고역통과 콘덴서로의 접속상태 및 저역통과 콘덴서의 접속 상태로 절환되는 것을 특징으로 하는 센터 모드 콘트롤 회로.
- 좌 신호 통로와 센터신호 통로 및 우 신호 통로, 상기 센터 신호 통로에 삽입된 고역통과 반전 증폭부, 이 증폭부의 입력신호와 출력신호 및 좌 신호 통로에 인가되는 좌 스테레오 입력신호를 가산하는 제1가산회로, 상기 증폭부의 입력신호와 출력신호 및 우 신호 통로에 인가되는 우 스테레오 입력신호를 가산하는 제2가산 회로, 및 상기 증폭부의 출력신호가 고역통과 신호, 전역신호 및 영 신호로 되도록 절화되는 절환 스위치를 구비하는 것을 특징으로 하는 센터 모드 콘트롤 회로.
- 제1항 또는 제2항에 있어서, 상기 센터 모드 콘트롤 회로는 단일 집적 회로 내에 형성되고, 상기 절환 스위치는 상기 집적 회로의 외부 부착 핀에 접속되는 것을 특징으로 하는 센터 모드 콘트롤 회로.
- 제3항에 있어서, 상기 센터 모드 콘트롤 회로는 단일 집적 회로 내에 형성되고, 상기 절환 스위치는 상기 집적 회로의 외부 부착 핀에 접속되는 것을 특징으로 하는 센터 모드 콘트롤 회로.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP163-2022225 | 1988-08-12 | ||
JP63-202225 | 1988-08-12 | ||
JP63202225A JPH0720319B2 (ja) | 1988-08-12 | 1988-08-12 | センターモードコントロール回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900004218A KR900004218A (ko) | 1990-03-27 |
KR960002472B1 true KR960002472B1 (ko) | 1996-02-17 |
Family
ID=16454036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890011444A Expired - Fee Related KR960002472B1 (ko) | 1988-08-12 | 1989-08-11 | 센터 모드 콘트롤 회로 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4980915A (ko) |
EP (1) | EP0354517B1 (ko) |
JP (1) | JPH0720319B2 (ko) |
KR (1) | KR960002472B1 (ko) |
CA (1) | CA1302298C (ko) |
DE (1) | DE68919937T2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030005718A (ko) * | 2001-07-10 | 2003-01-23 | 주식회사 메데스코리아 | 고형비누 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02228200A (ja) * | 1989-03-01 | 1990-09-11 | Matsushita Electric Ind Co Ltd | 音響再生システム内蔵型テレビセット |
JPH03236691A (ja) * | 1990-02-14 | 1991-10-22 | Hitachi Ltd | テレビジョン受信機用音声回路 |
GB2244629B (en) * | 1990-05-30 | 1994-03-16 | Sony Corp | Three channel audio transmission and/or reproduction systems |
US5251260A (en) * | 1991-08-07 | 1993-10-05 | Hughes Aircraft Company | Audio surround system with stereo enhancement and directivity servos |
JPH0531493U (ja) * | 1991-09-30 | 1993-04-23 | 株式会社ケンウツド | Avアンプのヘツドホン出力回路 |
US5420929A (en) * | 1992-05-26 | 1995-05-30 | Ford Motor Company | Signal processor for sound image enhancement |
ES2149235T3 (es) * | 1993-01-22 | 2000-11-01 | Koninkl Philips Electronics Nv | Transmision digital en 3 canales de señales estereofonicas izquierda y derecha y una señal central. |
US5530760A (en) * | 1994-04-29 | 1996-06-25 | Audio Products International Corp. | Apparatus and method for adjusting levels between channels of a sound system |
US6240189B1 (en) | 1994-06-08 | 2001-05-29 | Bose Corporation | Generating a common bass signal |
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 |
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 |
US7010131B1 (en) * | 1998-05-15 | 2006-03-07 | Cirrus Logic, Inc. | Quasi-differential power amplifier and method |
US6782111B1 (en) * | 1998-07-09 | 2004-08-24 | Bose Corporation | Multiple voicecoil and driver transducing |
US7031474B1 (en) | 1999-10-04 | 2006-04-18 | Srs Labs, Inc. | Acoustic correction apparatus |
EP1096829B1 (en) * | 1999-10-26 | 2003-09-24 | Jan R. Coyle | System for transcription and playback of sonic signals |
US7277767B2 (en) | 1999-12-10 | 2007-10-02 | Srs Labs, Inc. | System and method for enhanced streaming audio |
JP4326135B2 (ja) * | 2000-10-20 | 2009-09-02 | ローム株式会社 | 重低音ブースト装置 |
US20040151330A1 (en) * | 2003-02-04 | 2004-08-05 | Lehmkuhl John E. | Audio interface device for public address systems |
US8050434B1 (en) | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
FR2936117B1 (fr) * | 2008-09-18 | 2010-10-08 | Peugeot Citroen Automobiles Sa | Circuit d'amelioration de la rejection des parasites de liaisons semi-differentielles d'un etage d'entree d'un equipement de traitement audio |
JP5564803B2 (ja) * | 2009-03-06 | 2014-08-06 | ソニー株式会社 | 音響機器及び音響処理方法 |
CN103329571B (zh) | 2011-01-04 | 2016-08-10 | Dts有限责任公司 | 沉浸式音频呈现系统 |
US9823892B2 (en) | 2011-08-26 | 2017-11-21 | Dts Llc | Audio adjustment system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3016424A (en) * | 1958-09-09 | 1962-01-09 | Telefunken Gmbh | Monaural and binaural sound system |
JPS5145503A (en) * | 1974-10-16 | 1976-04-19 | Sansui Electric Co | Matorikusu 4 channeruyodekooda |
US4615043A (en) * | 1984-12-24 | 1986-09-30 | Don Latshaw | Triphonic sound system |
-
1988
- 1988-08-12 JP JP63202225A patent/JPH0720319B2/ja not_active Expired - Lifetime
-
1989
- 1989-08-07 US US07/390,057 patent/US4980915A/en not_active Expired - Lifetime
- 1989-08-07 EP EP89114569A patent/EP0354517B1/en not_active Expired - Lifetime
- 1989-08-07 DE DE68919937T patent/DE68919937T2/de not_active Expired - Fee Related
- 1989-08-09 CA CA000607841A patent/CA1302298C/en not_active Expired - Lifetime
- 1989-08-11 KR KR1019890011444A patent/KR960002472B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030005718A (ko) * | 2001-07-10 | 2003-01-23 | 주식회사 메데스코리아 | 고형비누 |
Also Published As
Publication number | Publication date |
---|---|
JPH0720319B2 (ja) | 1995-03-06 |
US4980915A (en) | 1990-12-25 |
EP0354517B1 (en) | 1994-12-14 |
KR900004218A (ko) | 1990-03-27 |
EP0354517A2 (en) | 1990-02-14 |
CA1302298C (en) | 1992-06-02 |
JPH0250700A (ja) | 1990-02-20 |
DE68919937D1 (de) | 1995-01-26 |
EP0354517A3 (en) | 1991-09-18 |
DE68919937T2 (de) | 1995-07-27 |
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