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HK1199973A1 - 高頻重建期間的音頻信號處理 - Google Patents

高頻重建期間的音頻信號處理

Info

Publication number
HK1199973A1
HK1199973A1 HK15100338.4A HK15100338A HK1199973A1 HK 1199973 A1 HK1199973 A1 HK 1199973A1 HK 15100338 A HK15100338 A HK 15100338A HK 1199973 A1 HK1199973 A1 HK 1199973A1
Authority
HK
Hong Kong
Prior art keywords
processing
high frequency
audio signals
during high
signals during
Prior art date
Application number
HK15100338.4A
Other languages
English (en)
Inventor
Kristofer Kjoerling
Original Assignee
Dolby Int Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44514661&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1199973(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of HK1199973A1 publication Critical patent/HK1199973A1/zh

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
    • 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/02—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
    • G10L19/16—Vocoder architecture
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
HK15100338.4A 2010-07-19 2015-01-13 高頻重建期間的音頻信號處理 HK1199973A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36551810P 2010-07-19 2010-07-19
US38672510P 2010-09-27 2010-09-27

Publications (1)

Publication Number Publication Date
HK1199973A1 true HK1199973A1 (zh) 2015-07-24

Family

ID=44514661

Family Applications (3)

Application Number Title Priority Date Filing Date
HK15100338.4A HK1199973A1 (zh) 2010-07-19 2015-01-13 高頻重建期間的音頻信號處理
HK18108970.7A HK1249653B (zh) 2010-07-19 2018-07-11 高頻重建期間的音頻信號處理
HK18109191.8A HK1249798B (zh) 2010-07-19 2018-07-17 高頻重建期間的音頻信號的處理

Family Applications After (2)

Application Number Title Priority Date Filing Date
HK18108970.7A HK1249653B (zh) 2010-07-19 2018-07-11 高頻重建期間的音頻信號處理
HK18109191.8A HK1249798B (zh) 2010-07-19 2018-07-17 高頻重建期間的音頻信號的處理

Country Status (19)

Country Link
US (6) US9117459B2 (zh)
EP (11) EP4210051A1 (zh)
JP (11) JP5753893B2 (zh)
KR (12) KR102026677B1 (zh)
CN (2) CN104575517B (zh)
AU (10) AU2011281735B2 (zh)
BR (2) BR112012024360B1 (zh)
CA (11) CA3146617C (zh)
CL (1) CL2012002699A1 (zh)
DK (2) DK2765572T3 (zh)
ES (10) ES2644974T3 (zh)
HK (3) HK1199973A1 (zh)
MX (1) MX2012010854A (zh)
MY (2) MY177748A (zh)
NO (1) NO2765572T3 (zh)
PL (10) PL2765572T3 (zh)
RU (3) RU2530254C2 (zh)
SG (3) SG183501A1 (zh)
WO (1) WO2012010494A1 (zh)

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Also Published As

Publication number Publication date
EP3544009B1 (en) 2020-05-27
KR20200035175A (ko) 2020-04-01
AU2011281735B2 (en) 2014-07-24
EP4210051A1 (en) 2023-07-12
KR20180108871A (ko) 2018-10-04
PL3723089T3 (pl) 2022-04-25
AU2014203424A1 (en) 2014-07-10
AU2023202541B2 (en) 2024-06-06
CA3087957C (en) 2022-03-22
EP3544007B1 (en) 2020-06-17
KR20120123720A (ko) 2012-11-09
KR20210118205A (ko) 2021-09-29
JP2015111277A (ja) 2015-06-18
JP6727374B2 (ja) 2020-07-22
KR20190034361A (ko) 2019-04-01
DK2596497T3 (da) 2014-07-21
RU2659487C2 (ru) 2018-07-02
AU2022215250B2 (en) 2023-02-02
AU2024205260B2 (en) 2024-10-31
JP2013531265A (ja) 2013-08-01
MY177748A (en) 2020-09-23
JP2022031889A (ja) 2022-02-22
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