JPH0298598U - - Google Patents

Info

Publication number
JPH0298598U
JPH0298598U JP1989005991U JP599189U JPH0298598U JP H0298598 U JPH0298598 U JP H0298598U JP 1989005991 U JP1989005991 U JP 1989005991U JP 599189 U JP599189 U JP 599189U JP H0298598 U JPH0298598 U JP H0298598U
Authority
JP
Japan
Prior art keywords
surround
speakers
power amplifiers
dolby
playback device
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.)
Granted
Application number
JP1989005991U
Other languages
English (en)
Other versions
JPH0623119Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989005991U priority Critical patent/JPH0623119Y2/ja
Priority to US07/412,751 priority patent/US4953213A/en
Priority to DE3932984A priority patent/DE3932984A1/de
Publication of JPH0298598U publication Critical patent/JPH0298598U/ja
Application granted granted Critical
Publication of JPH0623119Y2 publication Critical patent/JPH0623119Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic Arrangements (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)

Description

【図面の簡単な説明】
第１図は本考案になるサラウンド方式ステレオ
再生装置の実施例のブロツク図、第２図はドルビ
ーサラウンドを組み込んだ従来のサラウンド方式
ステレオ再生装置のブロツク図である。 １……サラウンドプロセツサ回路、２１，２２
……フロントパワーアンプ、２３，２４……リア
パワーアンプ、３……サラウンドモード切換回路
、４〜６……スイツチ、２４Ｌ，２４Ｒ……左右
のフロントスピーカー、２５Ｌ，２５Ｒ……左右
のリアスピーカー、２６Ｃ……センタースピーカ
ー、ｄ……ドルビーモード端子、ｇ……汎用モー
ド端子、Ｌ，Ｒ……左右２チヤンネルのステレオ
再生信号。

Claims (1)

  1. 【実用新案登録請求の範囲】 ドルビーサラウンド方式とドルビーサラウンド
    以外のサラウンド方式とを選択的に切り換えて使
    用するようにしたサラウンド方式ステレオ再生装
    置において、 左右のフロントスピーカー駆動用の２つのフロ
    ントパワーアンプと、リアスピーカー駆動用の２
    つのリアパワーアンプとを備え、 ドルビーサラウンドモード時には、上記２つの
    リアパワーアンプのうちの一方のアンプで左右の
    リアスピーカーを共通駆動するとともに、他方の
    アンプでセンタースピーカーを駆動し、他のサラ
    ウンドモード時には、上記２つのリアパワーアン
    プで左右のリアスピーカーをそれぞれ独立に駆動
    するようにしたことを特徴とするサラウンド方式
    ステレオ再生装置。
JP1989005991U 1989-01-24 1989-01-24 サラウンド方式ステレオ再生装置 Expired - Lifetime JPH0623119Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989005991U JPH0623119Y2 (ja) 1989-01-24 1989-01-24 サラウンド方式ステレオ再生装置
US07/412,751 US4953213A (en) 1989-01-24 1989-09-26 Surround mode stereophonic reproducing equipment
DE3932984A DE3932984A1 (de) 1989-01-24 1989-10-03 Rundum-stereo-audiowiedergabeeinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989005991U JPH0623119Y2 (ja) 1989-01-24 1989-01-24 サラウンド方式ステレオ再生装置

Publications (2)

Publication Number Publication Date
JPH0298598U true JPH0298598U (ja) 1990-08-06
JPH0623119Y2 JPH0623119Y2 (ja) 1994-06-15

Family

ID=11626260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989005991U Expired - Lifetime JPH0623119Y2 (ja) 1989-01-24 1989-01-24 サラウンド方式ステレオ再生装置

Country Status (3)

Country Link
US (1) US4953213A (ja)
JP (1) JPH0623119Y2 (ja)
DE (1) DE3932984A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006222765A (ja) * 2005-02-10 2006-08-24 Yamaha Corp 音響再生装置
JP2011229113A (ja) * 2010-04-02 2011-11-10 Onkyo Corp 音声処理装置
JP2014096735A (ja) * 2012-11-09 2014-05-22 Onkyo Corp 音声処理装置

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03236691A (ja) * 1990-02-14 1991-10-22 Hitachi Ltd テレビジョン受信機用音声回路
JP2840691B2 (ja) * 1990-03-20 1998-12-24 ソニー株式会社 オーディオ再生装置
US5666424A (en) * 1990-06-08 1997-09-09 Harman International Industries, Inc. Six-axis surround sound processor with automatic balancing and calibration
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5428687A (en) * 1990-06-08 1995-06-27 James W. Fosgate Control voltage generator multiplier and one-shot for integrated surround sound processor
JPH0453400U (ja) * 1990-09-13 1992-05-07
US5265166A (en) * 1991-10-30 1993-11-23 Panor Corp. Multi-channel sound simulation system
US5199075A (en) * 1991-11-14 1993-03-30 Fosgate James W Surround sound loudspeakers and processor
US5754664A (en) * 1993-09-09 1998-05-19 Prince Corporation Vehicle audio system
US5497425A (en) * 1994-03-07 1996-03-05 Rapoport; Robert J. Multi channel surround sound simulation device
US5638452A (en) * 1995-04-21 1997-06-10 Rocktron Corporation Expandable multi-dimensional sound circuit
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
DE19539034A1 (de) * 1995-10-19 1997-04-24 Nokia Deutschland Gmbh Audioverstärkeranordnung für mehr als zwei Wiedergabekanäle
US5841993A (en) * 1996-01-02 1998-11-24 Ho; Lawrence Surround sound system for personal computer for interfacing surround sound with personal computer
DE69737589T2 (de) * 1996-01-26 2007-08-09 Harman International Industries, Incorporated, Northridge Akustisches system
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
US6198826B1 (en) * 1997-05-19 2001-03-06 Qsound Labs, Inc. Qsound surround synthesis from stereo
US6281749B1 (en) 1997-06-17 2001-08-28 Srs Labs, Inc. Sound enhancement system
US6555042B1 (en) 1998-07-24 2003-04-29 Lear Corporation Method of making a vehicle headliner assembly with integral speakers
JP3573981B2 (ja) * 1998-11-17 2004-10-06 パイオニア株式会社 オーディオ信号処理用集積回路
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
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
US6804565B2 (en) 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
US7447321B2 (en) 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
KR101047194B1 (ko) * 2002-05-03 2011-07-06 하만인터내셔날인더스트리스인코포레이티드 사운드 검출 및 위치측정 시스템
US20040062402A1 (en) * 2002-07-19 2004-04-01 Yamaha Corporation Audio reproduction apparatus
US7006645B2 (en) * 2002-07-19 2006-02-28 Yamaha Corporation Audio reproduction apparatus
US7218745B2 (en) * 2002-12-23 2007-05-15 Lear Corporation Headliner transducer covers
US7305097B2 (en) * 2003-02-14 2007-12-04 Bose Corporation Controlling fading and surround signal level
US20050185806A1 (en) * 2003-02-14 2005-08-25 Salvador Eduardo T. Controlling fading and surround signal level
JP4674474B2 (ja) * 2005-02-24 2011-04-20 パナソニック株式会社 パラレル駆動バイアンプ切換回路
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
JP4471030B1 (ja) * 2009-02-03 2010-06-02 オンキヨー株式会社 音声処理装置
WO2012094335A1 (en) 2011-01-04 2012-07-12 Srs Labs, Inc. Immersive audio rendering system
JP5477402B2 (ja) * 2012-02-06 2014-04-23 オンキヨー株式会社 音声処理装置
US10149058B2 (en) 2013-03-15 2018-12-04 Richard O'Polka Portable sound system
US9084047B2 (en) 2013-03-15 2015-07-14 Richard O'Polka Portable sound system
WO2014190140A1 (en) 2013-05-23 2014-11-27 Alan Kraemer Headphone audio enhancement system
USD740784S1 (en) 2014-03-14 2015-10-13 Richard O'Polka Portable sound device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697692A (en) * 1971-06-10 1972-10-10 Dynaco Inc Two-channel,four-component stereophonic system
GB1416631A (en) * 1972-05-30 1975-12-03 Nippon Columbia Discrete 4-channel stereo recording and/or reproducing system
JPS5320224Y2 (ja) * 1973-08-01 1978-05-27
US4410761A (en) * 1980-11-05 1983-10-18 Willi Schickedanz Stereo loudspeaker system for a picture reproducing screen
US4696036A (en) * 1985-09-12 1987-09-22 Shure Brothers, Inc. Directional enhancement circuit
JPS62122500A (ja) * 1985-11-22 1987-06-03 Sony Corp マルチチヤンネルステレオ再生装置
US4792974A (en) * 1987-08-26 1988-12-20 Chace Frederic I Automated stereo synthesizer for audiovisual programs
US4862502A (en) * 1988-01-06 1989-08-29 Lexicon, Inc. Sound reproduction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006222765A (ja) * 2005-02-10 2006-08-24 Yamaha Corp 音響再生装置
JP4496981B2 (ja) * 2005-02-10 2010-07-07 ヤマハ株式会社 音響再生装置
JP2011229113A (ja) * 2010-04-02 2011-11-10 Onkyo Corp 音声処理装置
JP2014096735A (ja) * 2012-11-09 2014-05-22 Onkyo Corp 音声処理装置

Also Published As

Publication number Publication date
DE3932984A1 (de) 1990-07-26
JPH0623119Y2 (ja) 1994-06-15
US4953213A (en) 1990-08-28

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