DE602007010912D1 - Lautstärkenmodifikation mehrkanaliger tonsignale - Google Patents

Lautstärkenmodifikation mehrkanaliger tonsignale

Info

Publication number
DE602007010912D1
DE602007010912D1 DE602007010912T DE602007010912T DE602007010912D1 DE 602007010912 D1 DE602007010912 D1 DE 602007010912D1 DE 602007010912 T DE602007010912 T DE 602007010912T DE 602007010912 T DE602007010912 T DE 602007010912T DE 602007010912 D1 DE602007010912 D1 DE 602007010912D1
Authority
DE
Germany
Prior art keywords
scaling
loudness
overall
channel
perceived loudness
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.)
Active
Application number
DE602007010912T
Other languages
English (en)
Inventor
Alan Jeffrey Seefeldt
Michael John Smithers
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories 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
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of DE602007010912D1 publication Critical patent/DE602007010912D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression
    • 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE602007010912T 2006-04-04 2007-03-14 Lautstärkenmodifikation mehrkanaliger tonsignale Active DE602007010912D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78952306P 2006-04-04 2006-04-04
US85761706P 2006-11-07 2006-11-07
PCT/US2007/006444 WO2007123608A1 (en) 2006-04-04 2007-03-14 Loudness modification of multichannel audio signals

Publications (1)

Publication Number Publication Date
DE602007010912D1 true DE602007010912D1 (de) 2011-01-13

Family

ID=38278892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007010912T Active DE602007010912D1 (de) 2006-04-04 2007-03-14 Lautstärkenmodifikation mehrkanaliger tonsignale

Country Status (8)

Country Link
US (4) US8019095B2 (de)
EP (1) EP2002539B1 (de)
JP (1) JP5006384B2 (de)
CN (1) CN101411060B (de)
AT (1) ATE490596T1 (de)
DE (1) DE602007010912D1 (de)
TW (1) TWI517562B (de)
WO (1) WO2007123608A1 (de)

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US8019095B2 (en) 2011-09-13
US20110311062A1 (en) 2011-12-22
CN101411060A (zh) 2009-04-15
CN101411060B (zh) 2011-04-13
US20120106743A1 (en) 2012-05-03
EP2002539A1 (de) 2008-12-17
TWI517562B (zh) 2016-01-11
JP5006384B2 (ja) 2012-08-22
US8600074B2 (en) 2013-12-03
JP2009532982A (ja) 2009-09-10
EP2002539B1 (de) 2010-12-01
WO2007123608A1 (en) 2007-11-01
ATE490596T1 (de) 2010-12-15
TW200810349A (en) 2008-02-16
US9584083B2 (en) 2017-02-28
US20100202632A1 (en) 2010-08-12
US8731215B2 (en) 2014-05-20
US20140211946A1 (en) 2014-07-31

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