DE69129890D1 - Verfahren und Vorrichtung zur Bestimmung der Phasenkorrelation eines stereophonischen Signals - Google Patents

Verfahren und Vorrichtung zur Bestimmung der Phasenkorrelation eines stereophonischen Signals

Info

Publication number
DE69129890D1
DE69129890D1 DE69129890T DE69129890T DE69129890D1 DE 69129890 D1 DE69129890 D1 DE 69129890D1 DE 69129890 T DE69129890 T DE 69129890T DE 69129890 T DE69129890 T DE 69129890T DE 69129890 D1 DE69129890 D1 DE 69129890D1
Authority
DE
Germany
Prior art keywords
determining
phase correlation
stereophonic signal
stereophonic
signal
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 - Lifetime
Application number
DE69129890T
Other languages
English (en)
Other versions
DE69129890T2 (de
Inventor
Naojiro Tanaka
Masakatu Mizukami
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.)
Leader Electronics Corp
Original Assignee
Leader Electronics Corp
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 Leader Electronics Corp filed Critical Leader Electronics Corp
Publication of DE69129890D1 publication Critical patent/DE69129890D1/de
Application granted granted Critical
Publication of DE69129890T2 publication Critical patent/DE69129890T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G01R25/08—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents by counting of standard pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/40—Visual indication of stereophonic sound image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/12—Arrangements for observation, testing or troubleshooting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/02—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
    • H04H60/04—Studio equipment; Interconnection of studios
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Stereophonic System (AREA)
  • Measuring Phase Differences (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE69129890T 1990-10-19 1991-10-18 Verfahren und Vorrichtung zur Bestimmung der Phasenkorrelation eines stereophonischen Signals Expired - Lifetime DE69129890T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02281221A JP3099892B2 (ja) 1990-10-19 1990-10-19 ステレオ信号の位相関係判定に使用する方法及び装置

Publications (2)

Publication Number Publication Date
DE69129890D1 true DE69129890D1 (de) 1998-09-03
DE69129890T2 DE69129890T2 (de) 1999-02-11

Family

ID=17636056

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69129890T Expired - Lifetime DE69129890T2 (de) 1990-10-19 1991-10-18 Verfahren und Vorrichtung zur Bestimmung der Phasenkorrelation eines stereophonischen Signals

Country Status (7)

Country Link
US (1) US5272756A (de)
EP (1) EP0481821B1 (de)
JP (1) JP3099892B2 (de)
KR (1) KR0179340B1 (de)
CA (1) CA2053552C (de)
DE (1) DE69129890T2 (de)
HK (1) HK1009633A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9217899D0 (en) * 1992-08-22 1992-10-07 Preece Mark Music isolator
JP3335730B2 (ja) * 1993-10-08 2002-10-21 リーダー電子株式会社 音像表示装置
JP3730281B2 (ja) * 1995-04-07 2005-12-21 エルジー電子株式会社 モノラル信号判定回路
GB2319346B (en) * 1996-11-13 2001-03-21 Sony Uk Ltd Analysis of audio signals
US7016501B1 (en) * 1997-02-07 2006-03-21 Bose Corporation Directional decoding
US6977653B1 (en) * 2000-03-08 2005-12-20 Tektronix, Inc. Surround sound display
US7050590B2 (en) * 2000-12-18 2006-05-23 Warner Music Group, Inc. Method and apparatus for checking audio signals
ATE315823T1 (de) * 2002-02-18 2006-02-15 Koninkl Philips Electronics Nv Parametrische audiocodierung
US8139797B2 (en) 2002-12-03 2012-03-20 Bose Corporation Directional electroacoustical transducing
US7676047B2 (en) 2002-12-03 2010-03-09 Bose Corporation Electroacoustical transducing with low frequency augmenting devices
GB2397736B (en) * 2003-01-21 2005-09-07 Hewlett Packard Co Visualization of spatialized audio
US20050052457A1 (en) * 2003-02-27 2005-03-10 Neil Muncy Apparatus for generating and displaying images for determining the quality of audio reproduction
DE602004029872D1 (de) * 2003-03-17 2010-12-16 Koninkl Philips Electronics Nv Verarbeitung von mehrkanalsignalen
CN101478296B (zh) * 2009-01-05 2011-12-21 华为终端有限公司 一种多声道系统中的增益控制方法及装置
US8483397B2 (en) 2010-09-02 2013-07-09 Hbc Solutions, Inc. Multi-channel audio display
JP5477357B2 (ja) * 2010-11-09 2014-04-23 株式会社デンソー 音場可視化システム
GB2534603B (en) * 2015-01-29 2019-07-31 Michell Instruments Ltd System for analysing the frequency of a signal, a method thereof and a system for measuring the relative phase between two input signals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439505A1 (fr) * 1978-10-18 1980-05-16 Telediffusion Fse Detecteur de phase notamment pour signaux stereophoniques
US4236041A (en) * 1979-04-13 1980-11-25 H. H. Scott, Inc. Stereophonic signal indicating apparatus
JPS5947901B2 (ja) * 1979-07-26 1984-11-22 関西テレビ放送株式会社 ステレオ信号表示装置
JPS5664600A (en) * 1979-10-30 1981-06-01 Toshiba Corp Voice display unit
JPS60235071A (ja) * 1984-05-07 1985-11-21 Yamaki Denki Kk 位相計
IT1185706B (it) * 1985-09-12 1987-11-12 Sgs Microelettronica Spa Sistema non recursivo di espansione della base stereo per apparati di diffusione acustica stereofonica
US4691358A (en) * 1986-04-14 1987-09-01 Bradford John R Stereo image display device
DE3620614A1 (de) * 1986-06-20 1987-12-23 Gutehoffnungshuette Man Verfahren zum filtern eines verrauschten signals
US4908868A (en) * 1989-02-21 1990-03-13 Mctaggart James E Phase polarity test instrument and method

Also Published As

Publication number Publication date
JPH04157375A (ja) 1992-05-29
US5272756A (en) 1993-12-21
KR0179340B1 (ko) 1999-04-01
EP0481821A2 (de) 1992-04-22
KR920008501A (ko) 1992-05-28
CA2053552C (en) 1999-03-23
EP0481821A3 (en) 1993-03-31
JP3099892B2 (ja) 2000-10-16
CA2053552A1 (en) 1992-04-20
HK1009633A1 (en) 1999-06-04
DE69129890T2 (de) 1999-02-11
EP0481821B1 (de) 1998-07-29

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