ATE371246T1 - Verfahren, vorrichtung und computerprogramm zur berechung und einstellung der wahrgenommenen lautstärke eines audiosignals - Google Patents

Verfahren, vorrichtung und computerprogramm zur berechung und einstellung der wahrgenommenen lautstärke eines audiosignals

Info

Publication number
ATE371246T1
ATE371246T1 AT04776174T AT04776174T ATE371246T1 AT E371246 T1 ATE371246 T1 AT E371246T1 AT 04776174 T AT04776174 T AT 04776174T AT 04776174 T AT04776174 T AT 04776174T AT E371246 T1 ATE371246 T1 AT E371246T1
Authority
AT
Austria
Prior art keywords
audio signal
calculation
loudness
functions
adjustment
Prior art date
Application number
AT04776174T
Other languages
English (en)
Inventor
Alan Seefeldt
Michael Smithers
Brett Crockett
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
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE371246T1 publication Critical patent/ATE371246T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/005—Tone control or bandwidth control in amplifiers of digital 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Television Receiver Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
AT04776174T 2003-05-28 2004-05-27 Verfahren, vorrichtung und computerprogramm zur berechung und einstellung der wahrgenommenen lautstärke eines audiosignals ATE371246T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47407703P 2003-05-28 2003-05-28

Publications (1)

Publication Number Publication Date
ATE371246T1 true ATE371246T1 (de) 2007-09-15

Family

ID=33551475

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04776174T ATE371246T1 (de) 2003-05-28 2004-05-27 Verfahren, vorrichtung und computerprogramm zur berechung und einstellung der wahrgenommenen lautstärke eines audiosignals

Country Status (19)

Country Link
US (1) US8437482B2 (de)
EP (1) EP1629463B1 (de)
JP (1) JP4486646B2 (de)
KR (1) KR101164937B1 (de)
CN (2) CN1795490A (de)
AT (1) ATE371246T1 (de)
AU (1) AU2004248544B2 (de)
BR (1) BRPI0410740A (de)
CA (1) CA2525942C (de)
DE (1) DE602004008455T2 (de)
DK (1) DK1629463T3 (de)
ES (1) ES2290764T3 (de)
HK (2) HK1083918A1 (de)
IL (1) IL172108A (de)
IN (1) IN2010KN02913A (de)
MX (1) MXPA05012785A (de)
PL (1) PL1629463T3 (de)
SG (1) SG185134A1 (de)
WO (1) WO2004111994A2 (de)

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US20070092089A1 (en) 2007-04-26
CN1795490A (zh) 2006-06-28
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EP1629463A2 (de) 2006-03-01
CA2525942C (en) 2015-04-07
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DE602004008455D1 (de) 2007-10-04
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