TWI630602B - 在頻寬轉換週期期間之信號再使用 - Google Patents

在頻寬轉換週期期間之信號再使用 Download PDF

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Publication number
TWI630602B
TWI630602B TW105126215A TW105126215A TWI630602B TW I630602 B TWI630602 B TW I630602B TW 105126215 A TW105126215 A TW 105126215A TW 105126215 A TW105126215 A TW 105126215A TW I630602 B TWI630602 B TW I630602B
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TW
Taiwan
Prior art keywords
frame
frequency band
signal
bandwidth
audio
Prior art date
Application number
TW105126215A
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English (en)
Chinese (zh)
Other versions
TW201712671A (zh
Inventor
蘇巴幸哈 沙敏達 蘇巴幸哈
凡卡特拉曼 阿堤
維法克 雷真德倫
Original Assignee
美商高通公司
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Publication date
Application filed by 美商高通公司 filed Critical 美商高通公司
Publication of TW201712671A publication Critical patent/TW201712671A/zh
Application granted granted Critical
Publication of TWI630602B publication Critical patent/TWI630602B/zh

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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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • 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
    • G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
TW105126215A 2015-08-18 2016-08-17 在頻寬轉換週期期間之信號再使用 TWI630602B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201562206777P 2015-08-18 2015-08-18
US62/206,777 2015-08-18
US15/174,843 US9837094B2 (en) 2015-08-18 2016-06-06 Signal re-use during bandwidth transition period
US15/174,843 2016-06-06

Publications (2)

Publication Number Publication Date
TW201712671A TW201712671A (zh) 2017-04-01
TWI630602B true TWI630602B (zh) 2018-07-21

Family

ID=56507814

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105126215A TWI630602B (zh) 2015-08-18 2016-08-17 在頻寬轉換週期期間之信號再使用

Country Status (8)

Country Link
US (1) US9837094B2 (enExample)
EP (1) EP3338281A1 (enExample)
JP (1) JP6786592B2 (enExample)
KR (2) KR20180042253A (enExample)
CN (1) CN107851439B (enExample)
AU (1) AU2016307721B2 (enExample)
TW (1) TWI630602B (enExample)
WO (1) WO2017030655A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2922055A1 (en) * 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and corresponding computer program for generating an error concealment signal using individual replacement LPC representations for individual codebook information
EP2922054A1 (en) * 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and corresponding computer program for generating an error concealment signal using an adaptive noise estimation
EP2922056A1 (en) 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation
EP3555886B1 (en) * 2016-12-16 2020-05-13 Telefonaktiebolaget LM Ericsson (PUBL) Methods, encoder and decoder for handling line spectral frequency coefficients
US10685630B2 (en) 2018-06-08 2020-06-16 Qualcomm Incorporated Just-in time system bandwidth changes
US20200020342A1 (en) * 2018-07-12 2020-01-16 Qualcomm Incorporated Error concealment for audio data using reference pools
CN111383643B (zh) * 2018-12-28 2023-07-04 南京中感微电子有限公司 一种音频丢包隐藏方法、装置及蓝牙接收机
CN110610713B (zh) * 2019-08-28 2021-11-16 南京梧桐微电子科技有限公司 一种声码器余量谱幅度参数重构方法及系统

Citations (2)

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US6931292B1 (en) * 2000-06-19 2005-08-16 Jabra Corporation Noise reduction method and apparatus
US20080249766A1 (en) * 2004-04-30 2008-10-09 Matsushita Electric Industrial Co., Ltd. Scalable Decoder And Expanded Layer Disappearance Hiding Method

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US6636829B1 (en) * 1999-09-22 2003-10-21 Mindspeed Technologies, Inc. Speech communication system and method for handling lost frames
CN101107650B (zh) * 2005-01-14 2012-03-28 松下电器产业株式会社 语音切换装置及语音切换方法
EP2538406B1 (en) * 2006-11-10 2015-03-11 Panasonic Intellectual Property Corporation of America Method and apparatus for decoding parameters of a CELP encoded speech signal
CN100524462C (zh) * 2007-09-15 2009-08-05 华为技术有限公司 对高带信号进行帧错误隐藏的方法及装置
KR101073409B1 (ko) * 2009-03-05 2011-10-17 주식회사 코아로직 디코딩 장치 및 디코딩 방법
US8718804B2 (en) * 2009-05-05 2014-05-06 Huawei Technologies Co., Ltd. System and method for correcting for lost data in a digital audio signal
WO2011062538A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension of a low band audio signal
EP2674942B1 (en) * 2011-02-08 2017-10-25 LG Electronics Inc. Method and device for audio bandwidth extension
JP6139685B2 (ja) * 2012-09-13 2017-05-31 エルジー エレクトロニクス インコーポレイティド 損失フレーム復元方法及びオーディオ復号化方法とそれを利用する装置
US9293143B2 (en) * 2013-12-11 2016-03-22 Qualcomm Incorporated Bandwidth extension mode selection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6931292B1 (en) * 2000-06-19 2005-08-16 Jabra Corporation Noise reduction method and apparatus
US20080249766A1 (en) * 2004-04-30 2008-10-09 Matsushita Electric Industrial Co., Ltd. Scalable Decoder And Expanded Layer Disappearance Hiding Method

Also Published As

Publication number Publication date
TW201712671A (zh) 2017-04-01
JP6786592B2 (ja) 2020-11-18
CN107851439B (zh) 2021-12-31
BR112018003042A2 (pt) 2018-10-09
EP3338281A1 (en) 2018-06-27
AU2016307721B2 (en) 2021-09-23
US20170053659A1 (en) 2017-02-23
CN107851439A (zh) 2018-03-27
AU2016307721A1 (en) 2018-02-01
KR102778577B1 (ko) 2025-03-07
KR20240016448A (ko) 2024-02-06
US9837094B2 (en) 2017-12-05
JP2018528463A (ja) 2018-09-27
KR20180042253A (ko) 2018-04-25
WO2017030655A1 (en) 2017-02-23

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