ATE501606T1 - Verfahren und vorrichtung zur verarbeitung von audiosignalen - Google Patents

Verfahren und vorrichtung zur verarbeitung von audiosignalen

Info

Publication number
ATE501606T1
ATE501606T1 AT99900039T AT99900039T ATE501606T1 AT E501606 T1 ATE501606 T1 AT E501606T1 AT 99900039 T AT99900039 T AT 99900039T AT 99900039 T AT99900039 T AT 99900039T AT E501606 T1 ATE501606 T1 AT E501606T1
Authority
AT
Austria
Prior art keywords
audio
signals
combined
series
audio output
Prior art date
Application number
AT99900039T
Other languages
English (en)
Inventor
David Mcgrath
Adam Mckeag
Glenn Dickens
Richard Cartwright
Andrew Reilly
Original Assignee
Dolby Lab Licensing 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
Priority claimed from AUPP2595A external-priority patent/AUPP259598A0/en
Priority claimed from AUPP2710A external-priority patent/AUPP271098A0/en
Priority claimed from AUPP2709A external-priority patent/AUPP270998A0/en
Priority claimed from AUPP7164A external-priority patent/AUPP716498A0/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE501606T1 publication Critical patent/ATE501606T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Circuit For Audible Band Transducer (AREA)
AT99900039T 1998-03-25 1999-01-06 Verfahren und vorrichtung zur verarbeitung von audiosignalen ATE501606T1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AUPP2595A AUPP259598A0 (en) 1998-03-25 1998-03-25 Sound signal processing apparatus (PAT 51)
AUPP2710A AUPP271098A0 (en) 1998-03-31 1998-03-31 New variants on low-latency convolution - reduced computation by using band-limited coefficients in the filter tails
AUPP2709A AUPP270998A0 (en) 1998-03-31 1998-03-31 New variants on low-latency convolution - reduced computation requirement by sharing filter tails between multiple channels
AUPP7164A AUPP716498A0 (en) 1998-11-12 1998-11-12 Audio signal processing apparatus (pat 82)
PCT/AU1999/000002 WO1999049574A1 (en) 1998-03-25 1999-01-06 Audio signal processing method and apparatus

Publications (1)

Publication Number Publication Date
ATE501606T1 true ATE501606T1 (de) 2011-03-15

Family

ID=27424461

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99900039T ATE501606T1 (de) 1998-03-25 1999-01-06 Verfahren und vorrichtung zur verarbeitung von audiosignalen

Country Status (11)

Country Link
US (1) US6741706B1 (de)
EP (1) EP1072089B1 (de)
JP (3) JP2002508616A (de)
KR (1) KR100598003B1 (de)
CN (1) CN100353664C (de)
AT (1) ATE501606T1 (de)
AU (1) AU751900B2 (de)
CA (1) CA2325482C (de)
DE (1) DE69943265D1 (de)
DK (1) DK1072089T3 (de)
WO (1) WO1999049574A1 (de)

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Also Published As

Publication number Publication date
EP1072089A1 (de) 2001-01-31
DK1072089T3 (da) 2011-06-27
JP2002508616A (ja) 2002-03-19
KR100598003B1 (ko) 2006-07-06
CN100353664C (zh) 2007-12-05
EP1072089A4 (de) 2007-06-13
CA2325482C (en) 2009-12-15
EP1072089B1 (de) 2011-03-09
JP2008058984A (ja) 2008-03-13
DE69943265D1 (de) 2011-04-21
US6741706B1 (en) 2004-05-25
AU751900B2 (en) 2002-08-29
AU1743899A (en) 1999-10-18
JP4726875B2 (ja) 2011-07-20
JP2011083018A (ja) 2011-04-21
CN1294782A (zh) 2001-05-09
KR20010042169A (ko) 2001-05-25
WO1999049574A1 (en) 1999-09-30
CA2325482A1 (en) 1999-09-30

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