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 US9984699B2 (en) 2014-06-26 2015-06-25 High-band signal coding using mismatched frequency ranges
US14/750,784 2015-06-25
PCT/US2015/038120 WO2015200859A1 (en) 2014-06-26 2015-06-26 High-band signal coding using mismatched frequency ranges

Publications (2)

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

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

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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
EP4122217B1 (en) 2020-03-20 2025-05-07 Dolby International AB Bass enhancement for loudspeakers
US20240203439A1 (en) * 2021-05-08 2024-06-20 Cerence Operating Company Noise Reduction Based on Dynamic Neural Networks

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UA93677C2 (ru) * 2005-04-01 2011-03-10 Квелкомм Инкорпорейтед Способы и устройства кодирования и декодирования части речевого сигнала диапазона высоких частот
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
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US20080267224A1 (en) 2007-04-24 2008-10-30 Rohit Kapoor Method and apparatus for modifying playback timing of talkspurts within a sentence without affecting intelligibility
RU2477509C2 (ru) 2008-11-21 2013-03-10 Сименс Акциенгезелльшафт Способ и устройство измерения для определения состояния электрического воспламенителя горелки газовой турбины, а также устройство зажигания для горелки газовой турбины
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Publication number Publication date
CN106463135A (zh) 2017-02-22
KR20170026382A (ko) 2017-03-08
EP3161822A1 (en) 2017-05-03
CA2952286C (en) 2019-07-02
CN106463135B (zh) 2019-11-12
US20150380008A1 (en) 2015-12-31
EP3161822B1 (en) 2018-07-18
US9984699B2 (en) 2018-05-29
CA2952286A1 (en) 2015-12-30
HUE039699T2 (hu) 2019-01-28
WO2015200859A1 (en) 2015-12-30
ES2690096T3 (es) 2018-11-19
JP2017523461A (ja) 2017-08-17
JP6513718B2 (ja) 2019-05-15

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