HK1206863A1 - Audio classification based on perceptual quality for low or medium bit rates - Google Patents

Audio classification based on perceptual quality for low or medium bit rates

Info

Publication number
HK1206863A1
HK1206863A1 HK15107348.7A HK15107348A HK1206863A1 HK 1206863 A1 HK1206863 A1 HK 1206863A1 HK 15107348 A HK15107348 A HK 15107348A HK 1206863 A1 HK1206863 A1 HK 1206863A1
Authority
HK
Hong Kong
Prior art keywords
low
bit rates
classification based
perceptual quality
audio classification
Prior art date
Application number
HK15107348.7A
Other languages
English (en)
Chinese (zh)
Inventor
高揚
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of HK1206863A1 publication Critical patent/HK1206863A1/xx

Links

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
    • 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
    • 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
    • G10L19/04—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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • 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
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • 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
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • G10L2025/937—Signal energy in various frequency bands
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK15107348.7A 2012-09-18 2015-07-31 Audio classification based on perceptual quality for low or medium bit rates HK1206863A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261702342P 2012-09-18 2012-09-18
US14/027,052 US9589570B2 (en) 2012-09-18 2013-09-13 Audio classification based on perceptual quality for low or medium bit rates
PCT/CN2013/083794 WO2014044197A1 (en) 2012-09-18 2013-09-18 Audio classification based on perceptual quality for low or medium bit rates

Publications (1)

Publication Number Publication Date
HK1206863A1 true HK1206863A1 (en) 2016-01-15

Family

ID=50275348

Family Applications (2)

Application Number Title Priority Date Filing Date
HK15107348.7A HK1206863A1 (en) 2012-09-18 2015-07-31 Audio classification based on perceptual quality for low or medium bit rates
HK18105294.2A HK1245988A1 (zh) 2012-09-18 2015-07-31 針對中低比特率的基於感知質量的音頻分類

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK18105294.2A HK1245988A1 (zh) 2012-09-18 2015-07-31 針對中低比特率的基於感知質量的音頻分類

Country Status (9)

Country Link
US (3) US9589570B2 (ko)
EP (2) EP3296993B1 (ko)
JP (3) JP6148342B2 (ko)
KR (2) KR101801758B1 (ko)
BR (1) BR112015005980B1 (ko)
ES (1) ES2870487T3 (ko)
HK (2) HK1206863A1 (ko)
SG (2) SG10201706360RA (ko)
WO (1) WO2014044197A1 (ko)

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EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
WO2023153228A1 (ja) * 2022-02-08 2023-08-17 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、及び、符号化方法

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Also Published As

Publication number Publication date
KR101801758B1 (ko) 2017-11-27
JP2019174834A (ja) 2019-10-10
KR20170018091A (ko) 2017-02-15
EP2888734A4 (en) 2015-11-04
US9589570B2 (en) 2017-03-07
US10283133B2 (en) 2019-05-07
EP3296993B1 (en) 2021-03-10
ES2870487T3 (es) 2021-10-27
BR112015005980B1 (pt) 2021-06-15
US11393484B2 (en) 2022-07-19
US20170116999A1 (en) 2017-04-27
EP3296993A1 (en) 2018-03-21
JP6148342B2 (ja) 2017-06-14
HK1245988A1 (zh) 2018-08-31
JP6843188B2 (ja) 2021-03-17
KR20150055035A (ko) 2015-05-20
EP2888734A1 (en) 2015-07-01
JP6545748B2 (ja) 2019-07-17
JP2015534109A (ja) 2015-11-26
EP2888734B1 (en) 2017-11-15
SG10201706360RA (en) 2017-09-28
BR112015005980A2 (pt) 2017-07-04
US20140081629A1 (en) 2014-03-20
WO2014044197A1 (en) 2014-03-27
KR101705276B1 (ko) 2017-02-22
JP2017156767A (ja) 2017-09-07
SG11201502040YA (en) 2015-04-29
US20190237088A1 (en) 2019-08-01

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