KR20160087827A - 고대역 코딩에서의 선택적 위상 보상 - Google Patents

고대역 코딩에서의 선택적 위상 보상 Download PDF

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Publication number
KR20160087827A
KR20160087827A KR1020167015203A KR20167015203A KR20160087827A KR 20160087827 A KR20160087827 A KR 20160087827A KR 1020167015203 A KR1020167015203 A KR 1020167015203A KR 20167015203 A KR20167015203 A KR 20167015203A KR 20160087827 A KR20160087827 A KR 20160087827A
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KR
South Korea
Prior art keywords
signal
phase
band
phase adjustment
adjustment parameters
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KR1020167015203A
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English (en)
Korean (ko)
Inventor
벤카트라만 에스 아티
벤카타 수브라마니암 찬드라 세카르 체비얌
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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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models
    • 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
    • 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)
  • Circuit For Audible Band Transducer (AREA)
KR1020167015203A 2013-11-22 2014-11-21 고대역 코딩에서의 선택적 위상 보상 Ceased KR20160087827A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361907674P 2013-11-22 2013-11-22
US61/907,674 2013-11-22
US14/550,589 2014-11-21
PCT/US2014/066945 WO2015077641A1 (en) 2013-11-22 2014-11-21 Selective phase compensation in high band coding
US14/550,589 US9858941B2 (en) 2013-11-22 2014-11-21 Selective phase compensation in high band coding of an audio signal

Publications (1)

Publication Number Publication Date
KR20160087827A true KR20160087827A (ko) 2016-07-22

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KR1020167015203A Ceased KR20160087827A (ko) 2013-11-22 2014-11-21 고대역 코딩에서의 선택적 위상 보상

Country Status (5)

Country Link
US (1) US9858941B2 (enExample)
JP (1) JP6345780B2 (enExample)
KR (1) KR20160087827A (enExample)
CN (1) CN105765655A (enExample)
WO (1) WO2015077641A1 (enExample)

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KR20190067825A (ko) * 2016-10-31 2019-06-17 퀄컴 인코포레이티드 다수의 오디오 신호들의 디코딩

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FR3011408A1 (fr) * 2013-09-30 2015-04-03 Orange Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard
WO2015077641A1 (en) * 2013-11-22 2015-05-28 Qualcomm Incorporated Selective phase compensation in high band coding
EP2963649A1 (en) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor and method for processing an audio signal using horizontal phase correction
CN107077849B (zh) * 2014-11-07 2020-09-08 三星电子株式会社 用于恢复音频信号的方法和设备
US10847170B2 (en) * 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US10152977B2 (en) * 2015-11-20 2018-12-11 Qualcomm Incorporated Encoding of multiple audio signals
JP6611042B2 (ja) * 2015-12-02 2019-11-27 パナソニックＩｐマネジメント株式会社 音声信号復号装置及び音声信号復号方法
US10148416B2 (en) * 2016-09-02 2018-12-04 Intel Corporation Signal phase optimization in memory interface training
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
US10957331B2 (en) * 2018-12-17 2021-03-23 Microsoft Technology Licensing, Llc Phase reconstruction in a speech decoder
US10847172B2 (en) * 2018-12-17 2020-11-24 Microsoft Technology Licensing, Llc Phase quantization in a speech encoder
CN118038877A (zh) * 2022-11-01 2024-05-14 抖音视界有限公司 一种音频信号的编码、解码方法及装置
EP4375999A1 (en) * 2022-11-28 2024-05-29 GN Audio A/S Audio device with signal parameter-based processing, related methods and systems

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US5886276A (en) * 1997-01-16 1999-03-23 The Board Of Trustees Of The Leland Stanford Junior University System and method for multiresolution scalable audio signal encoding
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
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WO2015077641A1 (en) * 2013-11-22 2015-05-28 Qualcomm Incorporated Selective phase compensation in high band coding
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190067825A (ko) * 2016-10-31 2019-06-17 퀄컴 인코포레이티드 다수의 오디오 신호들의 디코딩
KR20230035430A (ko) * 2016-10-31 2023-03-13 퀄컴 인코포레이티드 다수의 오디오 신호들의 디코딩

Also Published As

Publication number Publication date
WO2015077641A1 (en) 2015-05-28
CN105765655A (zh) 2016-07-13
US9858941B2 (en) 2018-01-02
US20150149156A1 (en) 2015-05-28
JP2016539369A (ja) 2016-12-15
JP6345780B2 (ja) 2018-06-20

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