ES3020834T3 - Adaptive bandwidth extension and apparatus for the same - Google Patents

Adaptive bandwidth extension and apparatus for the same Download PDF

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Publication number
ES3020834T3
ES3020834T3 ES23168838T ES23168838T ES3020834T3 ES 3020834 T3 ES3020834 T3 ES 3020834T3 ES 23168838 T ES23168838 T ES 23168838T ES 23168838 T ES23168838 T ES 23168838T ES 3020834 T3 ES3020834 T3 ES 3020834T3
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band
audio
audio signal
decoder
speech
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Spanish (es)
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Yang Gao
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L19/04—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
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ES23168838T 2013-09-10 2014-09-09 Adaptive bandwidth extension and apparatus for the same Active ES3020834T3 (en)

Applications Claiming Priority (2)

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US201361875690P 2013-09-10 2013-09-10
US14/478,839 US9666202B2 (en) 2013-09-10 2014-09-05 Adaptive bandwidth extension and apparatus for the same

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ES3020834T3 true ES3020834T3 (en) 2025-05-23

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ES14844454.0T Active ES2644967T3 (es) 2013-09-10 2014-09-09 Extensión adaptativa del ancho de banda y aparato para la misma
ES23168838T Active ES3020834T3 (en) 2013-09-10 2014-09-09 Adaptive bandwidth extension and apparatus for the same

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EP (4) EP4546337A3 (enExample)
JP (1) JP6336086B2 (enExample)
KR (2) KR101871644B1 (enExample)
CN (2) CN105637583B (enExample)
AU (1) AU2014320881B2 (enExample)
BR (1) BR112016005111B1 (enExample)
CA (1) CA2923218C (enExample)
ES (2) ES2644967T3 (enExample)
MX (1) MX356721B (enExample)
MY (1) MY192508A (enExample)
PL (1) PL3301674T3 (enExample)
RU (1) RU2641224C2 (enExample)
SG (1) SG11201601637PA (enExample)
WO (1) WO2015035896A1 (enExample)

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RU2641224C2 (ru) 2018-01-16
EP3039676B1 (en) 2017-09-06
EP3039676A4 (en) 2016-09-07
KR101785885B1 (ko) 2017-10-16
KR20160050071A (ko) 2016-05-10
HK1220541A1 (zh) 2017-05-05
EP3301674B1 (en) 2023-08-30
BR112016005111A2 (enExample) 2017-08-01
EP4258261A3 (en) 2023-12-20
MX2016003074A (es) 2016-05-31
EP3301674A1 (en) 2018-04-04
JP2016535873A (ja) 2016-11-17
US10249313B2 (en) 2019-04-02
CN107393552A (zh) 2017-11-24
EP4258261A2 (en) 2023-10-11
EP4546337A3 (en) 2025-05-28
JP6336086B2 (ja) 2018-06-06
SG11201601637PA (en) 2016-04-28
CN105637583A (zh) 2016-06-01
RU2016113288A (ru) 2017-10-16
US20170221498A1 (en) 2017-08-03
MX356721B (es) 2018-06-11
ES2644967T3 (es) 2017-12-01
CN107393552B (zh) 2019-01-18
KR101871644B1 (ko) 2018-06-26
EP3039676A1 (en) 2016-07-06
AU2014320881A1 (en) 2016-04-07
AU2014320881B2 (en) 2017-05-25
EP4258261B1 (en) 2025-01-22
BR112016005111B1 (pt) 2022-07-12
EP4546337A2 (en) 2025-04-30
WO2015035896A1 (en) 2015-03-19
PL3301674T3 (pl) 2024-03-04
CA2923218C (en) 2017-12-05
US9666202B2 (en) 2017-05-30
CA2923218A1 (en) 2015-03-19
KR20170117207A (ko) 2017-10-20
MY192508A (en) 2022-08-24
US20150073784A1 (en) 2015-03-12
CN105637583B (zh) 2017-08-29

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