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BRPI0813723A2 - processamento de áudio que utiliza análise de cena auditiva e assimetria espectral - Google Patents

processamento de áudio que utiliza análise de cena auditiva e assimetria espectral

Info

Publication number
BRPI0813723A2
BRPI0813723A2 BRPI0813723A BRPI0813723A BRPI0813723A2 BR PI0813723 A2 BRPI0813723 A2 BR PI0813723A2 BR PI0813723 A BRPI0813723 A BR PI0813723A BR PI0813723 A BRPI0813723 A BR PI0813723A BR PI0813723 A2 BRPI0813723 A2 BR PI0813723A2
Authority
BR
Brazil
Prior art keywords
weighting
skewness
auditory
loudness
measure
Prior art date
Application number
BRPI0813723A
Other languages
English (en)
Inventor
Jeffrey Seefeldt Alan
John Smithers Michael
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39776994&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0813723(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of BRPI0813723A2 publication Critical patent/BRPI0813723A2/pt
Publication of BRPI0813723B1 publication Critical patent/BRPI0813723B1/pt

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
    • G10L21/00—Speech or voice signal processing techniques 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
    • 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
    • H03G9/12—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Holo Graphy (AREA)
  • Electrically Operated Instructional Devices (AREA)
BRPI0813723A 2007-07-13 2008-07-11 método para controlar o nível de intensidade do som de eventos auditivos, memória legível por computador não transitória, sistema de computador e aparelho BRPI0813723B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95946307P 2007-07-13 2007-07-13
PCT/US2008/008592 WO2009011827A1 (en) 2007-07-13 2008-07-11 Audio processing using auditory scene analysis and spectral skewness

Publications (2)

Publication Number Publication Date
BRPI0813723A2 true BRPI0813723A2 (pt) 2017-07-04
BRPI0813723B1 BRPI0813723B1 (pt) 2020-02-04

Family

ID=39776994

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0813723A BRPI0813723B1 (pt) 2007-07-13 2008-07-11 método para controlar o nível de intensidade do som de eventos auditivos, memória legível por computador não transitória, sistema de computador e aparelho

Country Status (10)

Country Link
US (1) US8396574B2 (pt)
EP (1) EP2168122B1 (pt)
JP (1) JP5192544B2 (pt)
CN (1) CN101790758B (pt)
AT (1) ATE535906T1 (pt)
BR (1) BRPI0813723B1 (pt)
ES (1) ES2377719T3 (pt)
RU (1) RU2438197C2 (pt)
TW (1) TWI464735B (pt)
WO (1) WO2009011827A1 (pt)

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BRPI0813723B1 (pt) 2020-02-04
TWI464735B (zh) 2014-12-11
WO2009011827A1 (en) 2009-01-22
ES2377719T3 (es) 2012-03-30
EP2168122B1 (en) 2011-11-30
TW200915301A (en) 2009-04-01
RU2010105052A (ru) 2011-08-20
JP2010534030A (ja) 2010-10-28
EP2168122A1 (en) 2010-03-31
CN101790758A (zh) 2010-07-28
CN101790758B (zh) 2013-01-09
US8396574B2 (en) 2013-03-12
ATE535906T1 (de) 2011-12-15
RU2438197C2 (ru) 2011-12-27
US20100198378A1 (en) 2010-08-05
JP5192544B2 (ja) 2013-05-08

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