MX2020005044A - Aparato y metodo para codificar o decodificar parametros de codificacion de audio direccional utilizando diferentes resoluciones de tiempo/frecuencia. - Google Patents

Aparato y metodo para codificar o decodificar parametros de codificacion de audio direccional utilizando diferentes resoluciones de tiempo/frecuencia.

Info

Publication number
MX2020005044A
MX2020005044A MX2020005044A MX2020005044A MX2020005044A MX 2020005044 A MX2020005044 A MX 2020005044A MX 2020005044 A MX2020005044 A MX 2020005044A MX 2020005044 A MX2020005044 A MX 2020005044A MX 2020005044 A MX2020005044 A MX 2020005044A
Authority
MX
Mexico
Prior art keywords
parameters
encoding
audio coding
directional audio
different time
Prior art date
Application number
MX2020005044A
Other languages
English (en)
Inventor
Jürgen Herre
Wolfgang Jaegers
Stefan Döhla
Fabian Küch
Florin Ghido
Stefan Bayer
Guillaume Fuchs
Markus Multrus
Oliver Thiergart
Oliver Wübbolt
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 MX2020005044A publication Critical patent/MX2020005044A/es

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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
    • 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
    • G10L19/02—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 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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/15—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being formant information
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6005—Decoder aspects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6011—Encoder aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

Un aparato para codificar parámetros de codificación de audio direccional que comprenden parámetros de difusividad y parámetros de dirección, comprende: una calculadora de parámetros (100) para calcular los parámetros de difusividad con una primera resolución de tiempo o frecuencia 5 y calcular los parámetros de dirección con una segunda resolución de tiempo o frecuencia; y un procesador de cuantificador y codificador (200) para generar una representación cuantificada y codificada de los parámetros de difusividad y los parámetros de dirección.
MX2020005044A 2017-11-17 2018-11-16 Aparato y metodo para codificar o decodificar parametros de codificacion de audio direccional utilizando diferentes resoluciones de tiempo/frecuencia. MX2020005044A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17202393 2017-11-17
PCT/EP2018/081620 WO2019097017A1 (en) 2017-11-17 2018-11-16 Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions

Publications (1)

Publication Number Publication Date
MX2020005044A true MX2020005044A (es) 2020-08-20

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MX2020005045A MX2020005045A (es) 2017-11-17 2018-11-16 Aparato y metodo para codificar o decodificar parametros de codificacion de audio direccional utilizando cuantificacion y codificacion entropica.
MX2020005044A MX2020005044A (es) 2017-11-17 2018-11-16 Aparato y metodo para codificar o decodificar parametros de codificacion de audio direccional utilizando diferentes resoluciones de tiempo/frecuencia.

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MX2020005045A MX2020005045A (es) 2017-11-17 2018-11-16 Aparato y metodo para codificar o decodificar parametros de codificacion de audio direccional utilizando cuantificacion y codificacion entropica.

Country Status (19)

Country Link
US (5) US11367454B2 (es)
EP (3) EP3711048A1 (es)
JP (5) JP7175980B2 (es)
KR (3) KR20230110842A (es)
CN (4) CN111656441B (es)
AR (2) AR113525A1 (es)
AU (2) AU2018368589B2 (es)
BR (2) BR112020011035A2 (es)
CA (2) CA3084225C (es)
ES (1) ES2930374T3 (es)
FI (1) FI3711047T3 (es)
MX (2) MX2020005045A (es)
PL (1) PL3711047T3 (es)
PT (1) PT3711047T (es)
RU (2) RU2763313C2 (es)
SG (2) SG11202004389VA (es)
TW (3) TWI752281B (es)
WO (2) WO2019097018A1 (es)
ZA (2) ZA202003473B (es)

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US11367454B2 (en) 2022-06-21
CA3083891A1 (en) 2019-05-23
BR112020011035A2 (pt) 2020-11-17
CN111656442A (zh) 2020-09-11
US12106763B2 (en) 2024-10-01
TW202145197A (zh) 2021-12-01
ZA202003476B (en) 2022-10-26
WO2019097018A1 (en) 2019-05-23
AU2018368589A1 (en) 2020-06-25
KR102535997B1 (ko) 2023-05-23
AR113525A1 (es) 2020-05-13
PL3711047T3 (pl) 2023-01-30
TW201923751A (zh) 2019-06-16
TW201923750A (zh) 2019-06-16
US12112762B2 (en) 2024-10-08
EP3711047A1 (en) 2020-09-23
KR20200100061A (ko) 2020-08-25
RU2763313C2 (ru) 2021-12-28
AU2018368588B2 (en) 2021-12-09
KR20200091880A (ko) 2020-07-31
US20230410819A1 (en) 2023-12-21
US20240274139A1 (en) 2024-08-15
PT3711047T (pt) 2022-11-16
CA3083891C (en) 2023-05-02
JP2022058577A (ja) 2022-04-12
CA3084225C (en) 2023-03-28
RU2763155C2 (ru) 2021-12-27
CN117351970A (zh) 2024-01-05
US20200273473A1 (en) 2020-08-27
TWI708241B (zh) 2020-10-21
CN111656442B (zh) 2024-06-28
RU2020119762A (ru) 2021-12-17
SG11202004430YA (en) 2020-06-29
US20200265851A1 (en) 2020-08-20
EP4113512A1 (en) 2023-01-04
RU2020119762A3 (es) 2021-12-17
RU2020119761A (ru) 2021-12-17
TWI752281B (zh) 2022-01-11
AR113524A1 (es) 2020-05-13
KR20230110842A (ko) 2023-07-25
WO2019097017A1 (en) 2019-05-23
JP7175979B2 (ja) 2022-11-21
SG11202004389VA (en) 2020-06-29
CN111656441A (zh) 2020-09-11
MX2020005045A (es) 2020-08-20
EP3711048A1 (en) 2020-09-23
JP2024003010A (ja) 2024-01-11
US20220130404A1 (en) 2022-04-28
CN111656441B (zh) 2023-10-03
ZA202003473B (en) 2022-04-28
US11783843B2 (en) 2023-10-10
JP2021503627A (ja) 2021-02-12
TWI759240B (zh) 2022-03-21
RU2020119761A3 (es) 2021-12-17
ES2930374T3 (es) 2022-12-09
CN118609580A (zh) 2024-09-06
CA3084225A1 (en) 2019-05-23
JP7175980B2 (ja) 2022-11-21
EP3711047B1 (en) 2022-10-05
AU2018368588A1 (en) 2020-07-02
AU2018368589B2 (en) 2021-10-14
JP2021503628A (ja) 2021-02-12
JP2022171686A (ja) 2022-11-11
FI3711047T3 (fi) 2023-01-13
KR102599743B1 (ko) 2023-11-08
BR112020011026A2 (pt) 2020-11-17
JP7372360B2 (ja) 2023-10-31

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