MX2021000353A - Método y aparato para controlar ocultación de pérdida de trama de audio. - Google Patents

Método y aparato para controlar ocultación de pérdida de trama de audio.

Info

Publication number
MX2021000353A
MX2021000353A MX2021000353A MX2021000353A MX2021000353A MX 2021000353 A MX2021000353 A MX 2021000353A MX 2021000353 A MX2021000353 A MX 2021000353A MX 2021000353 A MX2021000353 A MX 2021000353A MX 2021000353 A MX2021000353 A MX 2021000353A
Authority
MX
Mexico
Prior art keywords
frame
audio frame
lost
frame loss
loss concealment
Prior art date
Application number
MX2021000353A
Other languages
English (en)
Inventor
Jonas Svedberg
Stefan Bruhn
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX2021000353A publication Critical patent/MX2021000353A/es

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
    • 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L25/45—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window

Abstract

De conformidad con una modalidad de ejemplo de la presente invención, se describe un método y un aparato del mismo para controlar un método de ocultación para una trama 5 de audio perdida de una señal de audio recibida. Un método para un decodificador de ocultación de una trama de audio perdida comprende detectar en una propiedad de la señal de audio anteriormente recibida y reconstruida, o en una propiedad estadística de pérdidas de trama observadas, una 10 condición para la cual la sustitución de una trama perdida provee calidad relativamente reducida. En el case de que se detecte una condición de este tipo, el método de ocultación se modifica ajustando selectivamente una fase o una magnitud de espectro de un espectro trama de sustitución.
MX2021000353A 2013-02-05 2014-01-22 Método y aparato para controlar ocultación de pérdida de trama de audio. MX2021000353A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361761051P 2013-02-05 2013-02-05
US201361760814P 2013-02-05 2013-02-05
US201361760822P 2013-02-05 2013-02-05
PCT/SE2014/050068 WO2014123471A1 (en) 2013-02-05 2014-01-22 Method and apparatus for controlling audio frame loss concealment

Publications (1)

Publication Number Publication Date
MX2021000353A true MX2021000353A (es) 2023-02-24

Family

ID=50114514

Family Applications (3)

Application Number Title Priority Date Filing Date
MX2020001307A MX2020001307A (es) 2013-02-05 2014-01-22 Método y aparato para controlar ocultación de pérdida de trama de audio.
MX2021000353A MX2021000353A (es) 2013-02-05 2014-01-22 Método y aparato para controlar ocultación de pérdida de trama de audio.
MX2015009210A MX344550B (es) 2013-02-05 2014-01-22 Metodo y aparato para controlar ocultacion de perdida de trama de audio.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2020001307A MX2020001307A (es) 2013-02-05 2014-01-22 Método y aparato para controlar ocultación de pérdida de trama de audio.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2015009210A MX344550B (es) 2013-02-05 2014-01-22 Metodo y aparato para controlar ocultacion de perdida de trama de audio.

Country Status (21)

Country Link
US (6) US9293144B2 (es)
EP (5) EP2954518B1 (es)
JP (3) JP6069526B2 (es)
KR (4) KR102110212B1 (es)
CN (3) CN108831490B (es)
AU (5) AU2014215734B2 (es)
BR (1) BR112015018316B1 (es)
CA (2) CA2900354C (es)
DK (2) DK3125239T3 (es)
ES (4) ES2603827T3 (es)
HK (2) HK1210315A1 (es)
MX (3) MX2020001307A (es)
MY (1) MY170368A (es)
NZ (2) NZ739387A (es)
PH (3) PH12015501507A1 (es)
PL (2) PL3561808T3 (es)
PT (2) PT2954518T (es)
RU (3) RU2628144C2 (es)
SG (3) SG10201700846UA (es)
WO (1) WO2014123471A1 (es)
ZA (1) ZA201504881B (es)

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JP2017097365A (ja) 2017-06-01
RU2728832C2 (ru) 2020-07-31
KR102349025B1 (ko) 2022-01-07
AU2016225836A1 (en) 2016-10-06
AU2014215734B2 (en) 2016-08-11
PT2954518T (pt) 2016-12-01
JP6069526B2 (ja) 2017-02-01
ES2964807T3 (es) 2024-04-09
PH12015501507B1 (en) 2015-09-28
EP3855430C0 (en) 2023-10-18
WO2014123471A1 (en) 2014-08-14
PH12015501507A1 (en) 2015-09-28
DK3125239T3 (da) 2019-08-19
EP3855430A1 (en) 2021-07-28
EP2954518A1 (en) 2015-12-16
NZ739387A (en) 2020-03-27
US20200126567A1 (en) 2020-04-23
CN104969290A (zh) 2015-10-07
EP3855430B1 (en) 2023-10-18
AU2020200577B2 (en) 2021-08-05
PH12018500083A1 (en) 2019-06-10
KR102238376B1 (ko) 2021-04-08
NZ710308A (en) 2018-02-23
RU2020122689A3 (es) 2022-01-10
KR102110212B1 (ko) 2020-05-13
RU2017124644A3 (es) 2020-05-27
PT3125239T (pt) 2019-09-12
AU2020200577A1 (en) 2020-02-13
MX2020001307A (es) 2021-01-12
CA2900354C (en) 2017-10-24
CN108831490A (zh) 2018-11-16
EP4322159A3 (en) 2024-04-17
CA2900354A1 (en) 2014-08-14
KR20150108937A (ko) 2015-09-30
BR112015018316A2 (pt) 2017-07-18
PH12018500600B1 (en) 2019-06-10
MY170368A (en) 2019-07-24
EP3125239A1 (en) 2017-02-01
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JP2019061254A (ja) 2019-04-18
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US20160155446A1 (en) 2016-06-02
US10559314B2 (en) 2020-02-11
AU2018203449A1 (en) 2018-06-07
MX344550B (es) 2016-12-20
AU2016225836B2 (en) 2018-06-21
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AU2021212049B2 (en) 2023-02-16
ES2603827T3 (es) 2017-03-01
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US9721574B2 (en) 2017-08-01
US20190267011A1 (en) 2019-08-29
KR20200052983A (ko) 2020-05-15
CA2978416A1 (en) 2014-08-14
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HK1258094A1 (zh) 2019-11-01
US9293144B2 (en) 2016-03-22
PH12018500083B1 (en) 2019-06-10
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US11437047B2 (en) 2022-09-06
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ZA201504881B (en) 2016-12-21
EP3125239B1 (en) 2019-07-17
CA2978416C (en) 2019-06-18
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CN108899038B (zh) 2023-08-29
KR20210041107A (ko) 2021-04-14
JP2016510432A (ja) 2016-04-07
CN108899038A (zh) 2018-11-27
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BR112015018316B1 (pt) 2022-03-08
AU2014215734A1 (en) 2015-08-06
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HK1210315A1 (en) 2016-04-15
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RU2017124644A (ru) 2019-01-30
US20150228287A1 (en) 2015-08-13
ES2750783T3 (es) 2020-03-27
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US20220375480A1 (en) 2022-11-24
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US20170287494A1 (en) 2017-10-05
EP3561808B1 (en) 2021-03-31
RU2020122689A (ru) 2022-01-10
CN104969290B (zh) 2018-07-31
JP6440674B2 (ja) 2018-12-19
US10332528B2 (en) 2019-06-25
DK3561808T3 (da) 2021-05-03
JP6698792B2 (ja) 2020-05-27
KR20160045917A (ko) 2016-04-27
PH12018500600A1 (en) 2019-06-10

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