CN110189760B - 对音频信号的频谱执行噪声填充的装置 - Google Patents

对音频信号的频谱执行噪声填充的装置 Download PDF

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CN110189760B
CN110189760B CN201910419610.8A CN201910419610A CN110189760B CN 110189760 B CN110189760 B CN 110189760B CN 201910419610 A CN201910419610 A CN 201910419610A CN 110189760 B CN110189760 B CN 110189760B
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CN110189760A (zh
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萨沙·迪施
马克·伽依尔
克里斯蒂安·赫尔姆里希
戈兰·马尔科维奇
玛丽亚·路易斯瓦莱罗
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • 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
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
  • Stereophonic System (AREA)
CN201910419610.8A 2013-01-29 2014-01-28 对音频信号的频谱执行噪声填充的装置 Active CN110189760B (zh)

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US201361758209P 2013-01-29 2013-01-29
US61/758,209 2013-01-29
CN201480006656.2A CN105190749B (zh) 2013-01-29 2014-01-28 噪声填充技术
CN201910419610.8A CN110189760B (zh) 2013-01-29 2014-01-28 对音频信号的频谱执行噪声填充的装置
PCT/EP2014/051630 WO2014118175A1 (en) 2013-01-29 2014-01-28 Noise filling concept

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CN201480019092.6A Active CN105264597B (zh) 2013-01-29 2014-01-28 感知转换音频编码中的噪声填充
CN201910419597.6A Active CN110197667B (zh) 2013-01-29 2014-01-28 对音频信号的频谱执行噪声填充的装置
CN201910420349.3A Active CN110223704B (zh) 2013-01-29 2014-01-28 对音频信号的频谱执行噪声填充的装置
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CN201910419597.6A Active CN110197667B (zh) 2013-01-29 2014-01-28 对音频信号的频谱执行噪声填充的装置
CN201910420349.3A Active CN110223704B (zh) 2013-01-29 2014-01-28 对音频信号的频谱执行噪声填充的装置
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US11031022B2 (en) 2021-06-08
ZA201506266B (en) 2017-11-29
CA2898024A1 (en) 2014-08-07
ZA201506269B (en) 2017-07-26
KR101778217B1 (ko) 2017-09-13
PT2951817T (pt) 2019-02-25
AU2014211544B2 (en) 2017-03-30
ES2993241T3 (en) 2024-12-26
AU2014211544A1 (en) 2015-08-20
KR20160091448A (ko) 2016-08-02
MX2015009600A (es) 2015-11-25
CN110197667B (zh) 2023-06-30
PT3471093T (pt) 2020-11-20
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US10410642B2 (en) 2019-09-10
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