MX351187B - Metodo y aparato para reproduccion de audio normalizada de medios con y sin metadatos de sonoridad incorporados en dispositivos de medios nuevos. - Google Patents

Metodo y aparato para reproduccion de audio normalizada de medios con y sin metadatos de sonoridad incorporados en dispositivos de medios nuevos.

Info

Publication number
MX351187B
MX351187B MX2015009534A MX2015009534A MX351187B MX 351187 B MX351187 B MX 351187B MX 2015009534 A MX2015009534 A MX 2015009534A MX 2015009534 A MX2015009534 A MX 2015009534A MX 351187 B MX351187 B MX 351187B
Authority
MX
Mexico
Prior art keywords
value
loudness
audio
gain
output signal
Prior art date
Application number
MX2015009534A
Other languages
English (en)
Other versions
MX2015009534A (es
Inventor
Robert Bleidt
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2015009534A publication Critical patent/MX2015009534A/es
Publication of MX351187B publication Critical patent/MX351187B/es

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
    • 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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (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)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

Se provee un dispositivo decodificador para decodificar una corriente de bits de manera de producir a partir de ella una señal de salida de audio, comprendiendo la corriente de bits datos de audio y opcionalmente metadatos de sonoridad que contienen un valor de sonoridad de referencia, comprendiendo el dispositivo decodificador: un dispositivo decodificador de audio configurado para reconstruir una señal de audio a partir de los datos de audio; y un procesador de señales configurado para producir la señal de salida de audio sobre la base de la señal de audio; en donde el procesador de señales comprende un dispositivo para el control de la ganancia, configurado para ajustar un nivel de la señal de audio; en donde el dispositivo para el control de la ganancia comprende un decodificador de sonoridad de referencia configurado para crear un valor de sonoridad, en donde el valor de la sonoridad es el valor de la sonoridad de referencia en el caso en que el valor de la sonoridad de referencia (4) se halla presente en la corriente de bits; en donde el dispositivo para el control de la ganancia comprende un calculador de la ganancia configurado para calcular un valor de la ganancia sobre la base del valor de la sonoridad y sobre la base de un valor para el control del volumen, que es provisto por una interfaz de usuario externa que permite a un usuario controlar el valor de control del volumen; en donde el dispositivo para el control de la ganancia comprende un procesador de la sonoridad configurado para controlar la sonoridad de la señal de salida de audio sobre la base del valor de la ganancia.
MX2015009534A 2013-01-28 2014-01-27 Metodo y aparato para reproduccion de audio normalizada de medios con y sin metadatos de sonoridad incorporados en dispositivos de medios nuevos. MX351187B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361757606P 2013-01-28 2013-01-28
PCT/EP2014/051484 WO2014114781A1 (en) 2013-01-28 2014-01-27 Method and apparatus for normalized audio playback of media with and without embedded loudness metadata on new media devices

Publications (2)

Publication Number Publication Date
MX2015009534A MX2015009534A (es) 2015-10-30
MX351187B true MX351187B (es) 2017-10-04

Family

ID=50002749

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015009534A MX351187B (es) 2013-01-28 2014-01-27 Metodo y aparato para reproduccion de audio normalizada de medios con y sin metadatos de sonoridad incorporados en dispositivos de medios nuevos.

Country Status (13)

Country Link
US (1) US9576585B2 (es)
EP (1) EP2948947B1 (es)
JP (1) JP6445460B2 (es)
KR (1) KR101849612B1 (es)
CN (2) CN110853660B (es)
AR (1) AR096574A1 (es)
BR (6) BR112015017295B1 (es)
CA (1) CA2898567C (es)
ES (1) ES2628153T3 (es)
MX (1) MX351187B (es)
RU (1) RU2639663C2 (es)
TW (1) TWI524330B (es)
WO (1) WO2014114781A1 (es)

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Also Published As

Publication number Publication date
BR122022020319B1 (pt) 2023-02-28
BR122022020276A8 (pt) 2022-11-29
CA2898567A1 (en) 2014-07-31
RU2639663C2 (ru) 2017-12-21
KR101849612B1 (ko) 2018-04-18
CN110853660B (zh) 2024-01-23
CN105190750B (zh) 2019-10-25
BR122021011658B1 (pt) 2023-02-07
CA2898567C (en) 2018-09-18
BR122022020276A2 (es) 2017-08-22
RU2015136531A (ru) 2017-03-07
BR122022020284A2 (es) 2017-08-22
JP2016509693A (ja) 2016-03-31
TWI524330B (zh) 2016-03-01
BR122022020284B1 (pt) 2023-02-28
BR122022020326B1 (pt) 2023-03-14
TW201438003A (zh) 2014-10-01
MX2015009534A (es) 2015-10-30
US20150332685A1 (en) 2015-11-19
BR112015017295B1 (pt) 2023-01-24
BR122022020276B1 (pt) 2023-02-23
US9576585B2 (en) 2017-02-21
JP6445460B2 (ja) 2018-12-26
CN105190750A (zh) 2015-12-23
EP2948947B1 (en) 2017-03-29
KR20150109418A (ko) 2015-10-01
BR122022020326A2 (es) 2017-08-22
BR122022020326A8 (pt) 2022-11-29
WO2014114781A1 (en) 2014-07-31
CN110853660A (zh) 2020-02-28
BR122022020319A2 (es) 2017-08-22
BR112015017295A2 (pt) 2020-10-20
EP2948947A1 (en) 2015-12-02
BR122022020319A8 (pt) 2022-11-29
BR122022020284A8 (pt) 2022-11-29
ES2628153T3 (es) 2017-08-01
AR096574A1 (es) 2016-01-20

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