PL1629463T3 - Sposób, urządzenie i program komputerowy do obliczania i regulowania odczuwalnej głośności sygnału akustycznego - Google Patents

Sposób, urządzenie i program komputerowy do obliczania i regulowania odczuwalnej głośności sygnału akustycznego

Info

Publication number
PL1629463T3
PL1629463T3 PL04776174T PL04776174T PL1629463T3 PL 1629463 T3 PL1629463 T3 PL 1629463T3 PL 04776174 T PL04776174 T PL 04776174T PL 04776174 T PL04776174 T PL 04776174T PL 1629463 T3 PL1629463 T3 PL 1629463T3
Authority
PL
Poland
Prior art keywords
audio signal
calculating
loudness
functions
adjusting
Prior art date
Application number
PL04776174T
Other languages
English (en)
Inventor
Alan Jeffrey Seefeldt
Michael J Smithers
Brett Graham Crockett
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 PL1629463T3 publication Critical patent/PL1629463T3/pl

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)
PL04776174T 2003-05-28 2004-05-27 Sposób, urządzenie i program komputerowy do obliczania i regulowania odczuwalnej głośności sygnału akustycznego PL1629463T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US47407703P 2003-05-28 2003-05-28
EP04776174A EP1629463B1 (en) 2003-05-28 2004-05-27 Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal
PCT/US2004/016964 WO2004111994A2 (en) 2003-05-28 2004-05-27 Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal

Publications (1)

Publication Number Publication Date
PL1629463T3 true PL1629463T3 (pl) 2008-01-31

Family

ID=33551475

Family Applications (1)

Application Number Title Priority Date Filing Date
PL04776174T PL1629463T3 (pl) 2003-05-28 2004-05-27 Sposób, urządzenie i program komputerowy do obliczania i regulowania odczuwalnej głośności sygnału akustycznego

Country Status (19)

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

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