MX353999B - Aparato y método para decodificar o codificar una señal de audio utilizando valores de información de energía para una banda de reconstrucción. - Google Patents

Aparato y método para decodificar o codificar una señal de audio utilizando valores de información de energía para una banda de reconstrucción.

Info

Publication number
MX353999B
MX353999B MX2016000935A MX2016000935A MX353999B MX 353999 B MX353999 B MX 353999B MX 2016000935 A MX2016000935 A MX 2016000935A MX 2016000935 A MX2016000935 A MX 2016000935A MX 353999 B MX353999 B MX 353999B
Authority
MX
Mexico
Prior art keywords
spectral
reconstruction band
energy information
decoding
portions
Prior art date
Application number
MX2016000935A
Other languages
English (en)
Spanish (es)
Other versions
MX2016000935A (es
Inventor
Christian Ertel
Ralf Geiger
Christian Helmrich
Niedermeier Andreas
Ghido Florin
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
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Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2016000935A publication Critical patent/MX2016000935A/es
Publication of MX353999B publication Critical patent/MX353999B/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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388—Details of processing therefor
    • 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
    • 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
    • G10L19/0208—Subband vocoders
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/022—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 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • G10L19/04—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 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
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • G10L25/06—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 correlation coefficients
    • 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
    • G10L25/18—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 spectral information of each sub-band
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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

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  • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
MX2016000935A 2013-07-22 2014-07-15 Aparato y método para decodificar o codificar una señal de audio utilizando valores de información de energía para una banda de reconstrucción. MX353999B (es)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP13177348 2013-07-22
EP13177353 2013-07-22
EP13177350 2013-07-22
EP13177346 2013-07-22
EP13189374.5A EP2830059A1 (en) 2013-07-22 2013-10-18 Noise filling energy adjustment
PCT/EP2014/065110 WO2015010949A1 (en) 2013-07-22 2014-07-15 Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band

Publications (2)

Publication Number Publication Date
MX2016000935A MX2016000935A (es) 2016-07-05
MX353999B true MX353999B (es) 2018-02-07

Family

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Family Applications (7)

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MX2016000924A MX354657B (es) 2013-07-22 2014-07-15 Codificador de audio, decodificador de audio y métodos relacionados que usan procesamiento de dos canales dentro de un marco de relleno inteligente de espacios.
MX2016000854A MX354002B (es) 2013-07-22 2014-07-15 Aparato y método para decodificar y codificar una señal de audio utilizando selección de mosaicos espectrales adaptativos.
MX2016000943A MX355448B (es) 2013-07-22 2014-07-15 Aparato y método para codificar y decodificar una señal de audio con relleno inteligente de separaciones en el dominio espectral.
MX2016000935A MX353999B (es) 2013-07-22 2014-07-15 Aparato y método para decodificar o codificar una señal de audio utilizando valores de información de energía para una banda de reconstrucción.
MX2016000857A MX356161B (es) 2013-07-22 2014-07-15 Aparato y metodo para decodificar una señal de audio codificada utilizando un filtro de cruce alrededor de una frecuencia de transicion.
MX2015004022A MX340575B (es) 2013-07-22 2014-07-15 Aparato y metodo para codificar y decodificar una señal de audio codificada utilizando modelado de ruido temporal/de parche.
MX2016000940A MX362036B (es) 2013-07-22 2014-07-15 Aparato, método y programa de computadora para descodificar una señal de audio codificada.

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Application Number Title Priority Date Filing Date
MX2016000924A MX354657B (es) 2013-07-22 2014-07-15 Codificador de audio, decodificador de audio y métodos relacionados que usan procesamiento de dos canales dentro de un marco de relleno inteligente de espacios.
MX2016000854A MX354002B (es) 2013-07-22 2014-07-15 Aparato y método para decodificar y codificar una señal de audio utilizando selección de mosaicos espectrales adaptativos.
MX2016000943A MX355448B (es) 2013-07-22 2014-07-15 Aparato y método para codificar y decodificar una señal de audio con relleno inteligente de separaciones en el dominio espectral.

Family Applications After (3)

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MX2016000857A MX356161B (es) 2013-07-22 2014-07-15 Aparato y metodo para decodificar una señal de audio codificada utilizando un filtro de cruce alrededor de una frecuencia de transicion.
MX2015004022A MX340575B (es) 2013-07-22 2014-07-15 Aparato y metodo para codificar y decodificar una señal de audio codificada utilizando modelado de ruido temporal/de parche.
MX2016000940A MX362036B (es) 2013-07-22 2014-07-15 Aparato, método y programa de computadora para descodificar una señal de audio codificada.

Country Status (19)

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US (24) US10332539B2 (enExample)
EP (20) EP2830056A1 (enExample)
JP (12) JP6310074B2 (enExample)
KR (7) KR101764723B1 (enExample)
CN (12) CN111554310B (enExample)
AU (7) AU2014295298B2 (enExample)
BR (12) BR112016000852B1 (enExample)
CA (8) CA2918835C (enExample)
ES (9) ES2813940T3 (enExample)
MX (7) MX354657B (enExample)
MY (6) MY180759A (enExample)
PL (8) PL3506260T3 (enExample)
PT (7) PT3025340T (enExample)
RU (7) RU2640634C2 (enExample)
SG (7) SG11201600464WA (enExample)
TR (1) TR201816157T4 (enExample)
TW (7) TWI545560B (enExample)
WO (7) WO2015010952A1 (enExample)
ZA (5) ZA201502262B (enExample)

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US11735192B2 (en) 2023-08-22
EP4246512A3 (en) 2023-12-13
CA2918524A1 (en) 2015-01-29
MX2016000940A (es) 2016-04-25
RU2015112591A (ru) 2016-10-27
TW201517019A (zh) 2015-05-01
ES2698023T3 (es) 2019-01-30
US10984805B2 (en) 2021-04-20
ZA201601010B (en) 2017-11-29
CA2918701C (en) 2020-04-14
US20170154631A1 (en) 2017-06-01
WO2015010947A1 (en) 2015-01-29
ES2638498T3 (es) 2017-10-23
RU2016105613A (ru) 2017-08-28
US10847167B2 (en) 2020-11-24
KR101764723B1 (ko) 2017-08-14
AU2014295297B2 (en) 2017-05-25
EP3017448A1 (en) 2016-05-11
KR101826723B1 (ko) 2018-03-22
US20190074019A1 (en) 2019-03-07
RU2646316C2 (ru) 2018-03-02
CN104769671A (zh) 2015-07-08
MX2015004022A (es) 2015-07-06
KR101807836B1 (ko) 2018-01-18
CA2886505C (en) 2017-10-31
CA2918804A1 (en) 2015-01-29
EP3506260C0 (en) 2023-08-16
US10276183B2 (en) 2019-04-30
US11996106B2 (en) 2024-05-28
JP7092809B2 (ja) 2022-06-28
JP6186082B2 (ja) 2017-08-23
KR20160034975A (ko) 2016-03-30
BR112016000740A2 (pt) 2017-08-22
EP3025328A1 (en) 2016-06-01
TW201523590A (zh) 2015-06-16
TWI545558B (zh) 2016-08-11
KR20160041940A (ko) 2016-04-18
EP3025343A1 (en) 2016-06-01
TW201513098A (zh) 2015-04-01
CN105453176A (zh) 2016-03-30
AU2014295300B2 (en) 2017-05-25
AU2014295296B2 (en) 2017-10-19
BR112016000947A2 (enExample) 2017-08-22
TWI541797B (zh) 2016-07-11
RU2635890C2 (ru) 2017-11-16
RU2651229C2 (ru) 2018-04-18
ES2599007T3 (es) 2017-01-31

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