TWI724184B - 音頻信號之間之通道間相位差之編碼及解碼 - Google Patents

音頻信號之間之通道間相位差之編碼及解碼 Download PDF

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Publication number
TWI724184B
TWI724184B TW106120292A TW106120292A TWI724184B TW I724184 B TWI724184 B TW I724184B TW 106120292 A TW106120292 A TW 106120292A TW 106120292 A TW106120292 A TW 106120292A TW I724184 B TWI724184 B TW I724184B
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Taiwan
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ipd
signal
value
audio signal
inter
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TW106120292A
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English (en)
Chinese (zh)
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TW201802798A (zh
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文卡塔 薩伯拉曼亞姆 強卓 賽克哈爾 奇比亞姆
凡卡特拉曼 阿堤
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美商高通公司
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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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external 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
    • G10L19/002—Dynamic bit allocation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW106120292A 2016-06-20 2017-06-19 音頻信號之間之通道間相位差之編碼及解碼 TWI724184B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662352481P 2016-06-20 2016-06-20
US62/352,481 2016-06-20
US15/620,695 US10217467B2 (en) 2016-06-20 2017-06-12 Encoding and decoding of interchannel phase differences between audio signals
US15/620,695 2017-06-12

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TW201802798A TW201802798A (zh) 2018-01-16
TWI724184B true TWI724184B (zh) 2021-04-11

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US (3) US10217467B2 (enExample)
EP (1) EP3472833B1 (enExample)
JP (1) JP6976974B2 (enExample)
KR (1) KR102580989B1 (enExample)
CN (1) CN109313906B (enExample)
BR (1) BR112018075831A2 (enExample)
CA (1) CA3024146A1 (enExample)
ES (1) ES2823294T3 (enExample)
TW (1) TWI724184B (enExample)
WO (1) WO2017222871A1 (enExample)

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CN107452387B (zh) * 2016-05-31 2019-11-12 华为技术有限公司 一种声道间相位差参数的提取方法及装置
US10217467B2 (en) 2016-06-20 2019-02-26 Qualcomm Incorporated Encoding and decoding of interchannel phase differences between audio signals
CN108269577B (zh) 2016-12-30 2019-10-22 华为技术有限公司 立体声编码方法及立体声编码器
US10304468B2 (en) 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
CN109215668B (zh) * 2017-06-30 2021-01-05 华为技术有限公司 一种声道间相位差参数的编码方法及装置
US10535357B2 (en) 2017-10-05 2020-01-14 Qualcomm Incorporated Encoding or decoding of audio signals
IT201800000555A1 (it) * 2018-01-04 2019-07-04 St Microelectronics Srl Architettura di decodifica di riga per un dispositivo di memoria non volatile a cambiamento di fase e relativo metodo di decodifica di riga
US10586546B2 (en) 2018-04-26 2020-03-10 Qualcomm Incorporated Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding
US10734006B2 (en) 2018-06-01 2020-08-04 Qualcomm Incorporated Audio coding based on audio pattern recognition
US10580424B2 (en) * 2018-06-01 2020-03-03 Qualcomm Incorporated Perceptual audio coding as sequential decision-making problems
BR112021017197A2 (pt) * 2019-03-06 2021-11-09 Fraunhofer Ges Forschung Mixador de redução e método de mixagem de redução
US12413907B2 (en) 2022-07-13 2025-09-09 Elite Semiconductor Microelectronics Technology Inc. Device and method for audio signal processing

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US10217467B2 (en) 2016-06-20 2019-02-26 Qualcomm Incorporated Encoding and decoding of interchannel phase differences between audio signals

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US20140112482A1 (en) * 2012-04-05 2014-04-24 Huawei Technologies Co., Ltd. Method for Parametric Spatial Audio Coding and Decoding, Parametric Spatial Audio Coder and Parametric Spatial Audio Decoder
US20160073215A1 (en) * 2013-05-16 2016-03-10 Koninklijke Philips N.V. An audio apparatus and method therefor
TW201618077A (zh) * 2014-09-26 2016-05-16 高通公司 較高階立體混響聲（ｈｏａ）架構中於預測及非預測量化技術間切換

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CN113259083A (zh) * 2021-07-13 2021-08-13 成都德芯数字科技股份有限公司 一种调频同步网相位同步方法
CN113259083B (zh) * 2021-07-13 2021-09-28 成都德芯数字科技股份有限公司 一种调频同步网相位同步方法

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US20170365260A1 (en) 2017-12-21
CN109313906B (zh) 2023-07-28
US11127406B2 (en) 2021-09-21
TW201802798A (zh) 2018-01-16
CA3024146A1 (en) 2017-12-28
US20190147893A1 (en) 2019-05-16
US10672406B2 (en) 2020-06-02
ES2823294T3 (es) 2021-05-06
US10217467B2 (en) 2019-02-26
CN109313906A (zh) 2019-02-05
KR20190026671A (ko) 2019-03-13
JP2019522233A (ja) 2019-08-08
JP6976974B2 (ja) 2021-12-08
EP3472833B1 (en) 2020-07-08
WO2017222871A1 (en) 2017-12-28
BR112018075831A2 (pt) 2019-03-19
EP3472833A1 (en) 2019-04-24
US20200082833A1 (en) 2020-03-12
KR102580989B1 (ko) 2023-09-21

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