PL2002429T3 - Kontrola słyszalnej charakterystyki głośności sygnału audio - Google Patents

Kontrola słyszalnej charakterystyki głośności sygnału audio

Info

Publication number
PL2002429T3
PL2002429T3 PL07754463T PL07754463T PL2002429T3 PL 2002429 T3 PL2002429 T3 PL 2002429T3 PL 07754463 T PL07754463 T PL 07754463T PL 07754463 T PL07754463 T PL 07754463T PL 2002429 T3 PL2002429 T3 PL 2002429T3
Authority
PL
Poland
Prior art keywords
controlling
audio signal
perceived loudness
loudness characteristic
characteristic
Prior art date
Application number
PL07754463T
Other languages
English (en)
Inventor
Alan Jeffrey Seefeldt
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 PL2002429T3 publication Critical patent/PL2002429T3/pl

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/06—Transformation of speech into a non-audible representation, e.g. speech visualisation or speech processing for tactile aids
    • G10L2021/065—Aids for the handicapped in understanding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
PL07754463T 2006-04-04 2007-03-30 Kontrola słyszalnej charakterystyki głośności sygnału audio PL2002429T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78953906P 2006-04-04 2006-04-04
EP07754463A EP2002429B1 (en) 2006-04-04 2007-03-30 Controlling a perceived loudness characteristic of an audio signal
PCT/US2007/007946 WO2007120453A1 (en) 2006-04-04 2007-03-30 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal

Publications (1)

Publication Number Publication Date
PL2002429T3 true PL2002429T3 (pl) 2013-03-29

Family

ID=38325459

Family Applications (1)

Application Number Title Priority Date Filing Date
PL07754463T PL2002429T3 (pl) 2006-04-04 2007-03-30 Kontrola słyszalnej charakterystyki głośności sygnału audio

Country Status (9)

Country Link
EP (1) EP2002429B1 (pl)
JP (1) JP4981123B2 (pl)
CN (1) CN101421781A (pl)
BR (1) BRPI0709877B1 (pl)
ES (1) ES2400160T3 (pl)
PL (1) PL2002429T3 (pl)
RU (1) RU2426180C2 (pl)
TW (1) TWI471856B (pl)
WO (1) WO2007120453A1 (pl)

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Also Published As

Publication number Publication date
BRPI0709877A2 (pt) 2011-07-26
JP4981123B2 (ja) 2012-07-18
WO2007120453A1 (en) 2007-10-25
BRPI0709877B1 (pt) 2019-12-31
ES2400160T3 (es) 2013-04-08
RU2426180C2 (ru) 2011-08-10
RU2008143336A (ru) 2010-05-10
TWI471856B (zh) 2015-02-01
JP2009532739A (ja) 2009-09-10
EP2002429A1 (en) 2008-12-17
EP2002429B1 (en) 2012-11-21
CN101421781A (zh) 2009-04-29
TW200746049A (en) 2007-12-16

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