EP0705054A3 - Tonwiedergabeanordnung - Google Patents

Tonwiedergabeanordnung Download PDF

Info

Publication number
EP0705054A3
EP0705054A3 EP95114595A EP95114595A EP0705054A3 EP 0705054 A3 EP0705054 A3 EP 0705054A3 EP 95114595 A EP95114595 A EP 95114595A EP 95114595 A EP95114595 A EP 95114595A EP 0705054 A3 EP0705054 A3 EP 0705054A3
Authority
EP
European Patent Office
Prior art keywords
arrangement
elements
cross
adder
determined
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
EP95114595A
Other languages
English (en)
French (fr)
Other versions
EP0705054B1 (de
EP0705054A2 (de
Inventor
Friedbert Stuhlfelner
Harri Valio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technology GmbH
Original Assignee
Nokia Technology GmbH
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 by Nokia Technology GmbH filed Critical Nokia Technology GmbH
Publication of EP0705054A2 publication Critical patent/EP0705054A2/de
Publication of EP0705054A3 publication Critical patent/EP0705054A3/de
Application granted granted Critical
Publication of EP0705054B1 publication Critical patent/EP0705054B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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 
    • 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 System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic Arrangements (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

Die Erfindung befaßt sich mit der Schaltungsvereinfachung von zweikanalig ausgebildeten Tonsignalquellen (10), denen eine Überblendanordnung (11) und eine Anordnung (13) zur digitalen Bearbeitung von Tonsignalen nachgeordnet ist. Der Schaltungsaufwand ist insbesondere dann hoch, wenn die Tonsignalquelle (10) und die Überblendanordnung (11) eine Einheit bilden und räumlichen Abstand zur Anordnung (13) haben. Die Vereinfachung wird dadurch realisiert, daß aus den nach der Überblendanordnung (11) vorliegenden Tonsignalen die an der Überblendanordnung (11) eingestellte Signalaufteilung auf verschiedene Abhörorte ermittelt wird. Dazu werden zunächst in zwei Addiergliedern (12.2, 12.3) die Ausgangstonsignale (L, R) rekonstruiert und einem vierten Addierglied (12.4) zugeführt. Jeweils zwei Tonsignale (LV, RV) werden einem ersten Addierglied (12.1) zugeführt. Die nach den Addiergliedern (12.1/4) vorliegenden Signale werden dann in einem Divisionsglied (20) zueinander ins Verhältnis gesetzt. Aus dem dort ermittelten Quotienten Q wird dann in einem Kalkulationsglied (21) die Aufteilungsrate bestimmt und Multipliziergliedern (M1-4) zur Verfügung gestellt. Symmetrisch zu den Addiergliedern (12.1/4) sind Anordnungen (17) zur Ermittlung des durchschnittlichen Pegelwerts mit nachfolgenden Glättungsgliedern (18) angeordnet.
EP95114595A 1994-09-30 1995-09-16 Tonwiedergabeanordnung Expired - Lifetime EP0705054B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4435224A DE4435224A1 (de) 1994-09-30 1994-09-30 Tonwiedergabeanordnung
DE4435224 1994-09-30

Publications (3)

Publication Number Publication Date
EP0705054A2 EP0705054A2 (de) 1996-04-03
EP0705054A3 true EP0705054A3 (de) 1998-07-01
EP0705054B1 EP0705054B1 (de) 2005-12-14

Family

ID=6529777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95114595A Expired - Lifetime EP0705054B1 (de) 1994-09-30 1995-09-16 Tonwiedergabeanordnung

Country Status (4)

Country Link
US (1) US5592558A (de)
EP (1) EP0705054B1 (de)
JP (1) JP3586012B2 (de)
DE (2) DE4435224A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5872851A (en) * 1995-09-18 1999-02-16 Harman Motive Incorporated Dynamic stereophonic enchancement signal processing system
US6522758B1 (en) 1999-08-18 2003-02-18 Sound Advance Systems, Inc. Compensation system for planar loudspeakers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856065A (en) * 1987-02-27 1989-08-08 Pioneer Electronic Corporation Power fader for a loudspeaker system
EP0357034A2 (de) * 1988-08-30 1990-03-07 Nec Corporation Audioverarbeitungssystem für Balancesteuerung der Amplitude und Phase eines Audiosignals
EP0462285A1 (de) * 1989-12-29 1991-12-27 Fujitsu Ten, Ltd. Tonwiedergabevorrichtung
EP0479456A2 (de) * 1990-10-01 1992-04-08 Ford Motor Company Limited Audio-System mit automatischer Konfiguration
DE4303386A1 (de) * 1993-02-05 1994-08-11 Blaupunkt Werke Gmbh Schaltungsanordnung zur digitalen Verarbeitung von Audiosignalen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397286A (en) * 1964-09-17 1968-08-13 Gen Motors Corp Four-speaker adjustable stereo sound system
CA1312369C (en) * 1988-07-20 1993-01-05 Tsutomu Ishikawa Sound reproducer
US4866774A (en) * 1988-11-02 1989-09-12 Hughes Aircraft Company Stero enhancement and directivity servo
JP2630651B2 (ja) * 1989-07-26 1997-07-16 ヤマハ株式会社 フェーダ装置
JPH07101827B2 (ja) * 1989-10-13 1995-11-01 ヤマハ株式会社 ミキシングコンソール
US5216718A (en) * 1990-04-26 1993-06-01 Sanyo Electric Co., Ltd. Method and apparatus for processing audio signals
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
DE4106844A1 (de) * 1991-03-04 1992-09-10 Blaupunkt Werke Gmbh Autoradio-anlage
US5325435A (en) * 1991-06-12 1994-06-28 Matsushita Electric Industrial Co., Ltd. Sound field offset device
JP2897586B2 (ja) * 1993-03-05 1999-05-31 ヤマハ株式会社 音場制御装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856065A (en) * 1987-02-27 1989-08-08 Pioneer Electronic Corporation Power fader for a loudspeaker system
EP0357034A2 (de) * 1988-08-30 1990-03-07 Nec Corporation Audioverarbeitungssystem für Balancesteuerung der Amplitude und Phase eines Audiosignals
EP0462285A1 (de) * 1989-12-29 1991-12-27 Fujitsu Ten, Ltd. Tonwiedergabevorrichtung
EP0479456A2 (de) * 1990-10-01 1992-04-08 Ford Motor Company Limited Audio-System mit automatischer Konfiguration
DE4303386A1 (de) * 1993-02-05 1994-08-11 Blaupunkt Werke Gmbh Schaltungsanordnung zur digitalen Verarbeitung von Audiosignalen

Also Published As

Publication number Publication date
DE4435224A1 (de) 1996-04-04
US5592558A (en) 1997-01-07
EP0705054B1 (de) 2005-12-14
JP3586012B2 (ja) 2004-11-10
DE59511029D1 (de) 2006-01-19
JPH08182096A (ja) 1996-07-12
EP0705054A2 (de) 1996-04-03

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