KR101988710B1 - 미스매치된 주파수 범위들을 이용한 고-대역 신호 코딩 - Google Patents

미스매치된 주파수 범위들을 이용한 고-대역 신호 코딩 Download PDF

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KR101988710B1
KR101988710B1 KR1020167036229A KR20167036229A KR101988710B1 KR 101988710 B1 KR101988710 B1 KR 101988710B1 KR 1020167036229 A KR1020167036229 A KR 1020167036229A KR 20167036229 A KR20167036229 A KR 20167036229A KR 101988710 B1 KR101988710 B1 KR 101988710B1
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signal
band
frequency
audio signal
frequency range
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KR20170026382A (ko
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벤카트라만 에스 아티
벤카테쉬 크리쉬난
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퀄컴 인코포레이티드
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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
    • G10L19/26—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
    • 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
    • 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

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  • 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)
KR1020167036229A 2014-06-26 2015-06-26 미스매치된 주파수 범위들을 이용한 고-대역 신호 코딩 Active KR101988710B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462017753P 2014-06-26 2014-06-26
US62/017,753 2014-06-26
US14/750,784 2015-06-25
US14/750,784 US9984699B2 (en) 2014-06-26 2015-06-25 High-band signal coding using mismatched frequency ranges
PCT/US2015/038120 WO2015200859A1 (en) 2014-06-26 2015-06-26 High-band signal coding using mismatched frequency ranges

Publications (2)

Publication Number Publication Date
KR20170026382A KR20170026382A (ko) 2017-03-08
KR101988710B1 true KR101988710B1 (ko) 2019-06-12

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US (1) US9984699B2 (https=)
EP (1) EP3161822B1 (https=)
JP (1) JP6513718B2 (https=)
KR (1) KR101988710B1 (https=)
CN (1) CN106463135B (https=)
CA (1) CA2952286C (https=)
ES (1) ES2690096T3 (https=)
HU (1) HUE039699T2 (https=)
WO (1) WO2015200859A1 (https=)

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US10109284B2 (en) * 2016-02-12 2018-10-23 Qualcomm Incorporated Inter-channel encoding and decoding of multiple high-band audio signals
US10553222B2 (en) * 2017-03-09 2020-02-04 Qualcomm Incorporated Inter-channel bandwidth extension spectral mapping and adjustment
US10573326B2 (en) * 2017-04-05 2020-02-25 Qualcomm Incorporated Inter-channel bandwidth extension
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
US20190051286A1 (en) * 2017-08-14 2019-02-14 Microsoft Technology Licensing, Llc Normalization of high band signals in network telephony communications
ES3029285T3 (en) 2020-03-20 2025-06-23 Dolby Int Ab Bass enhancement for loudspeakers
WO2022240442A1 (en) * 2021-05-08 2022-11-17 Cerence Operating Company Noise reduction based on dynamic neural networks

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US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
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NAGEL Frederik, et al. A harmonic bandwidth extension method for audio codecs. IEEE International Conference on Acoustics, Speech and Signal Processing 2009(ICASSP 2009), 2009. pp.145-148.*

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Publication number Publication date
EP3161822A1 (en) 2017-05-03
CA2952286C (en) 2019-07-02
CA2952286A1 (en) 2015-12-30
KR20170026382A (ko) 2017-03-08
US9984699B2 (en) 2018-05-29
CN106463135A (zh) 2017-02-22
JP2017523461A (ja) 2017-08-17
EP3161822B1 (en) 2018-07-18
ES2690096T3 (es) 2018-11-19
US20150380008A1 (en) 2015-12-31
CN106463135B (zh) 2019-11-12
JP6513718B2 (ja) 2019-05-15
HUE039699T2 (hu) 2019-01-28
WO2015200859A1 (en) 2015-12-30

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