MX358306B - Decodificador, codificador y método para la estimación informada de sonoridad en sistemas de codificación basada en objetos. - Google Patents

Decodificador, codificador y método para la estimación informada de sonoridad en sistemas de codificación basada en objetos.

Info

Publication number
MX358306B
MX358306B MX2016006880A MX2016006880A MX358306B MX 358306 B MX358306 B MX 358306B MX 2016006880 A MX2016006880 A MX 2016006880A MX 2016006880 A MX2016006880 A MX 2016006880A MX 358306 B MX358306 B MX 358306B
Authority
MX
Mexico
Prior art keywords
decoder
audio output
audio
encoder
depending
Prior art date
Application number
MX2016006880A
Other languages
English (en)
Other versions
MX2016006880A (es
Inventor
Grill Bernhard
Disch Sascha
Ridderbusch Falko
Terentiv Leon
Hellmuth Oliver
Fuchs Harald
Paulus Jouni
Murtaza Adrian
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 MX2016006880A publication Critical patent/MX2016006880A/es
Publication of MX358306B publication Critical patent/MX358306B/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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

Se proporciona un decodificador para generar una señal de salida de audio que comprende uno o más canales de salida de audio. El decodificador comprende una interfaz (110) de recepción para recibir una señal de entrada de audio que comprende una pluralidad de señales de objetos de audio, para recibir información de sonoridad sobre las señales de objetos de audio, y para recibir información de presentación que indica si una o más de las señales de objetos de audio debe ser, o no, amplificada o atenuada. Además, el decodificador comprende un procesador (120) de señales para generar uno o más canales de salida de audio de la señal de salida de audio. El procesador (120) de señales se configura para determinar un valor de compensación de sonoridad dependiendo de la información de sonoridad y dependiendo de la información de presentación. Además, el procesador (120) de señales se configura para generar uno o más canales de salida de audio de la señal de salida de audio a partir de la señal de entrada de audio dependiendo de la información de presentación y dependiendo del valor de compensación de sonoridad. Además, se proporciona un codificador.
MX2016006880A 2013-11-27 2014-11-27 Decodificador, codificador y método para la estimación informada de sonoridad en sistemas de codificación basada en objetos. MX358306B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13194664.2A EP2879131A1 (en) 2013-11-27 2013-11-27 Decoder, encoder and method for informed loudness estimation in object-based audio coding systems
PCT/EP2014/075787 WO2015078956A1 (en) 2013-11-27 2014-11-27 Decoder, encoder and method for informed loudness estimation in object-based audio coding systems

Publications (2)

Publication Number Publication Date
MX2016006880A MX2016006880A (es) 2016-08-19
MX358306B true MX358306B (es) 2018-08-14

Family

ID=49683543

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2015013580A MX350247B (es) 2013-11-27 2014-11-27 Decodificador, codificador y método para la estimación informada de sonoridad empleando señales anuladas de objetos de audio en sistemas de codificación basada en objetos.
MX2016006880A MX358306B (es) 2013-11-27 2014-11-27 Decodificador, codificador y método para la estimación informada de sonoridad en sistemas de codificación basada en objetos.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2015013580A MX350247B (es) 2013-11-27 2014-11-27 Decodificador, codificador y método para la estimación informada de sonoridad empleando señales anuladas de objetos de audio en sistemas de codificación basada en objetos.

Country Status (19)

Country Link
US (8) US9947325B2 (es)
EP (3) EP2879131A1 (es)
JP (2) JP6218928B2 (es)
KR (2) KR101742137B1 (es)
CN (4) CN112151049B (es)
AR (2) AR099360A1 (es)
AU (2) AU2014356467B2 (es)
BR (2) BR112016011988B1 (es)
CA (2) CA2931558C (es)
ES (2) ES2666127T3 (es)
HK (1) HK1217245A1 (es)
MX (2) MX350247B (es)
MY (2) MY196533A (es)
PL (2) PL2941771T3 (es)
PT (2) PT3074971T (es)
RU (2) RU2672174C2 (es)
TW (2) TWI569260B (es)
WO (2) WO2015078956A1 (es)
ZA (1) ZA201604205B (es)

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Also Published As

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BR112015019958A2 (pt) 2017-07-18
ES2666127T3 (es) 2018-05-03
AU2014356467A1 (en) 2016-06-09
BR112016011988A2 (es) 2017-08-08
RU2015135181A (ru) 2017-02-27
KR101742137B1 (ko) 2017-05-31
PT2941771T (pt) 2017-06-30
TWI569259B (zh) 2017-02-01
MX2015013580A (es) 2016-02-05
PL3074971T3 (pl) 2018-07-31
KR101852950B1 (ko) 2018-06-07
RU2016125242A (ru) 2018-01-09
RU2651211C2 (ru) 2018-04-18
US10699722B2 (en) 2020-06-30
CN105874532B (zh) 2020-03-17
WO2015078964A1 (en) 2015-06-04
RU2672174C2 (ru) 2018-11-12
JP6346282B2 (ja) 2018-06-20
EP2879131A1 (en) 2015-06-03
JP2017502324A (ja) 2017-01-19
US20160254001A1 (en) 2016-09-01
ZA201604205B (en) 2017-11-29
ES2629527T3 (es) 2017-08-10
US20200058313A1 (en) 2020-02-20
US10497376B2 (en) 2019-12-03
US20180197554A1 (en) 2018-07-12
US20210118454A1 (en) 2021-04-22
KR20160075756A (ko) 2016-06-29
JP6218928B2 (ja) 2017-10-25
US20150348564A1 (en) 2015-12-03
CN111312266B (zh) 2023-11-10
US11875804B2 (en) 2024-01-16
CN105144287B (zh) 2020-09-25
WO2015078956A1 (en) 2015-06-04
CN112151049A (zh) 2020-12-29
EP2941771A1 (en) 2015-11-11
US20220351736A1 (en) 2022-11-03
PT3074971T (pt) 2018-05-25
JP2016520865A (ja) 2016-07-14
CN112151049B (zh) 2024-05-10
US10891963B2 (en) 2021-01-12
EP2941771B1 (en) 2017-03-29
US11423914B2 (en) 2022-08-23
AU2014356475A1 (en) 2015-09-03
KR20150123799A (ko) 2015-11-04
TW201525990A (zh) 2015-07-01
AR098558A1 (es) 2016-06-01
CA2900473A1 (en) 2015-06-04
EP3074971B1 (en) 2018-02-21
CN105144287A (zh) 2015-12-09
PL2941771T3 (pl) 2017-10-31
HK1217245A1 (zh) 2016-12-30
MX350247B (es) 2017-08-31
BR112015019958B1 (pt) 2021-12-14
CA2931558A1 (en) 2015-06-04
MY189823A (en) 2022-03-10
US20230306973A1 (en) 2023-09-28
US9947325B2 (en) 2018-04-17
US11688407B2 (en) 2023-06-27
MY196533A (en) 2023-04-19
CA2900473C (en) 2018-01-30
AU2014356467B2 (en) 2016-12-15
TWI569260B (zh) 2017-02-01
CN111312266A (zh) 2020-06-19
AU2014356475B2 (en) 2016-08-18
BR112016011988B1 (pt) 2022-09-13
US20200286496A1 (en) 2020-09-10
MX2016006880A (es) 2016-08-19
CN105874532A (zh) 2016-08-17
CA2931558C (en) 2018-11-13
TW201535353A (zh) 2015-09-16
EP3074971A1 (en) 2016-10-05
AR099360A1 (es) 2016-07-20

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