MX2009004175A - Procesamiento de dinamica de audio que utiliza una reposicion. - Google Patents

Procesamiento de dinamica de audio que utiliza una reposicion.

Info

Publication number
MX2009004175A
MX2009004175A MX2009004175A MX2009004175A MX2009004175A MX 2009004175 A MX2009004175 A MX 2009004175A MX 2009004175 A MX2009004175 A MX 2009004175A MX 2009004175 A MX2009004175 A MX 2009004175A MX 2009004175 A MX2009004175 A MX 2009004175A
Authority
MX
Mexico
Prior art keywords
reset
audio
audio source
dynamics processor
signal
Prior art date
Application number
MX2009004175A
Other languages
English (en)
Inventor
Alan Jeffrey Seefeldt
Kenneth James Gundry
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
Publication of MX2009004175A publication Critical patent/MX2009004175A/es

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/005—Control by a pilot signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
    • H04H60/12—Arrangements for counter-measures when a portion of broadcast information is unavailable wherein another information is substituted for the portion of broadcast information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

Un procesador o método de procesamiento de dinámica de audio que utiliza un mecanismo o proceso de reposición con el objeto de adaptarse con rapidez a los cambios de contenido en la señal de audio. Una señal de reajuste o reposición podría ser generada analizando la señal de audio por sí misma o la reposición podría ser activada a partir de un evento externo, tal como un cambio de canal en un televisor o un cambio de selección de entrada en un receptor de audio/visual. En el caso de un activador externo, uno o más de los indicadores del estado del procesador de dinámica para la fuente actual de audio podría ser guardado y asociado con la fuente de audio antes del cambio hacia una nueva fuente de audio. Entonces, si el sistema cambiara de regreso a la primera fuente de audio, el procesador de dinámica podría ser reajustado al estado almacenado con anterioridad o a una aproximación del mismo. La figura más representativa de la invención es la número 3.
MX2009004175A 2006-10-20 2007-09-25 Procesamiento de dinamica de audio que utiliza una reposicion. MX2009004175A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85312706P 2006-10-20 2006-10-20
PCT/US2007/020747 WO2008051347A2 (en) 2006-10-20 2007-09-25 Audio dynamics processing using a reset

Publications (1)

Publication Number Publication Date
MX2009004175A true MX2009004175A (es) 2009-04-30

Family

ID=38961076

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009004175A MX2009004175A (es) 2006-10-20 2007-09-25 Procesamiento de dinamica de audio que utiliza una reposicion.

Country Status (16)

Country Link
US (1) US8849433B2 (es)
EP (1) EP2082480B1 (es)
JP (1) JP4940308B2 (es)
KR (1) KR101137715B1 (es)
CN (1) CN101529721B (es)
AU (1) AU2007309691B2 (es)
BR (1) BRPI0717484B1 (es)
CA (1) CA2665153C (es)
IL (1) IL197856A (es)
MX (1) MX2009004175A (es)
MY (1) MY144271A (es)
NO (1) NO342161B1 (es)
RU (1) RU2413357C2 (es)
TW (1) TWI415481B (es)
UA (1) UA94968C2 (es)
WO (1) WO2008051347A2 (es)

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US8315398B2 (en) 2007-12-21 2012-11-20 Dts Llc System for adjusting perceived loudness of audio signals
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time

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IL197856A (en) 2014-03-31
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CN101529721B (zh) 2012-05-23
NO342161B1 (no) 2018-04-09
KR20090078834A (ko) 2009-07-20
AU2007309691A1 (en) 2008-05-02
UA94968C2 (ru) 2011-06-25
TWI415481B (zh) 2013-11-11
TW200830890A (en) 2008-07-16
JP4940308B2 (ja) 2012-05-30
EP2082480B1 (en) 2019-07-24
AU2007309691B2 (en) 2011-03-10
WO2008051347A3 (en) 2008-07-17
US20100198377A1 (en) 2010-08-05
RU2009118955A (ru) 2010-11-27
CA2665153A1 (en) 2008-05-02
CA2665153C (en) 2015-05-19
BRPI0717484B1 (pt) 2019-05-21
MY144271A (en) 2011-08-29
RU2413357C2 (ru) 2011-02-27
KR101137715B1 (ko) 2012-04-25
US8849433B2 (en) 2014-09-30
CN101529721A (zh) 2009-09-09
WO2008051347A2 (en) 2008-05-02
IL197856A0 (en) 2009-12-24

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