CN105976824B - 信号解码的方法和设备 - Google Patents

信号解码的方法和设备 Download PDF

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CN105976824B
CN105976824B CN201610587632.1A CN201610587632A CN105976824B CN 105976824 B CN105976824 B CN 105976824B CN 201610587632 A CN201610587632 A CN 201610587632A CN 105976824 B CN105976824 B CN 105976824B
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sub
band
bit allocation
spectral coefficients
gain
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CN105976824A (zh
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刘泽新
齐峰岩
苗磊
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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
    • G10L19/02—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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/02—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)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
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CN105976824B (zh) 2012-12-06 2021-06-08 华为技术有限公司 信号解码的方法和设备
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PT3444817T (pt) 2021-08-30
CN103854653A (zh) 2014-06-11
US20200135214A1 (en) 2020-04-30
US10971162B2 (en) 2021-04-06
EP2919231B1 (en) 2018-09-12
DK2919231T3 (da) 2019-01-02
EP3951776B1 (en) 2024-01-10
ES2889001T3 (es) 2022-01-10
HK1209894A1 (en) 2016-04-08
US10236002B2 (en) 2019-03-19
BR112015012976A2 (pt) 2017-07-11
JP6637559B2 (ja) 2020-01-29
JP2017194705A (ja) 2017-10-26
SG11201504244PA (en) 2015-07-30
CN103854653B (zh) 2016-12-28
JP2018194870A (ja) 2018-12-06
EP2919231A1 (en) 2015-09-16
KR20190045406A (ko) 2019-05-02
CN105976824A (zh) 2016-09-28
US12100401B2 (en) 2024-09-24
EP2919231A4 (en) 2016-02-24
PL2919231T3 (pl) 2019-02-28
US20150269947A1 (en) 2015-09-24
KR20170070290A (ko) 2017-06-21
ES2700985T3 (es) 2019-02-20
US20250087219A1 (en) 2025-03-13
EP4340228A3 (en) 2024-05-15
EP3951776A1 (en) 2022-02-09
WO2014086155A1 (zh) 2014-06-12
US11610592B2 (en) 2023-03-21
US20190156839A1 (en) 2019-05-23
KR102099754B1 (ko) 2020-04-10
KR101649251B1 (ko) 2016-08-18
EP3444817A1 (en) 2019-02-20
US11823687B2 (en) 2023-11-21
SI2919231T1 (sl) 2019-01-31
US20170178633A1 (en) 2017-06-22
JP6404410B2 (ja) 2018-10-10
KR20160099728A (ko) 2016-08-22
US20180040326A1 (en) 2018-02-08
EP4340228A2 (en) 2024-03-20
US9830914B2 (en) 2017-11-28
KR20150088868A (ko) 2015-08-03
US20240046938A1 (en) 2024-02-08
KR101851545B1 (ko) 2018-04-24
US20210201920A1 (en) 2021-07-01
PT2919231T (pt) 2018-12-17
KR101973599B1 (ko) 2019-04-29
JP2016506536A (ja) 2016-03-03
ES2976072T3 (es) 2024-07-22
US20230206929A1 (en) 2023-06-29
BR112015012976B1 (pt) 2020-01-14
JP6170174B2 (ja) 2017-07-26
US9626972B2 (en) 2017-04-18
EP3444817B1 (en) 2021-07-21
US10546589B2 (en) 2020-01-28

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