BR112018003042A2 - reutilização de sinal durante período de transição de largura de banda - Google Patents

reutilização de sinal durante período de transição de largura de banda

Info

Publication number
BR112018003042A2
BR112018003042A2 BR112018003042A BR112018003042A BR112018003042A2 BR 112018003042 A2 BR112018003042 A2 BR 112018003042A2 BR 112018003042 A BR112018003042 A BR 112018003042A BR 112018003042 A BR112018003042 A BR 112018003042A BR 112018003042 A2 BR112018003042 A2 BR 112018003042A2
Authority
BR
Brazil
Prior art keywords
frame
frequency band
transition period
bandwidth transition
data corresponding
Prior art date
Application number
BR112018003042A
Other languages
English (en)
Inventor
Shaminda SUBASINGHA Subasingha
Atti Venkatraman
Rajendran Vivek
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018003042A2 publication Critical patent/BR112018003042A2/pt

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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

Abstract

um método inclui determinar uma condição de erro durante um período de transição de largura de banda de um sinal de áudio codificado. a condição de erro corresponde a um segundo quadro do sinal de áudio codificado, em que o segundo quadro segue sequencialmente um primeiro quadro no sinal de áudio codificado. o método também inclui gerar dados de áudio correspondentes a uma primeira banda de frequências do segundo quadro com base nos dados de áudio correspondentes à primeira banda de frequências do primeiro quadro. o método inclui adicionalmente reutilizar um sinal correspondente a uma segunda banda de frequências do primeiro quadro para sintetizar dados de áudio correspondentes à segunda banda de frequências do segundo quadro.
BR112018003042A 2015-08-18 2016-06-24 reutilização de sinal durante período de transição de largura de banda BR112018003042A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562206777P 2015-08-18 2015-08-18
US15/174,843 US9837094B2 (en) 2015-08-18 2016-06-06 Signal re-use during bandwidth transition period
PCT/US2016/039396 WO2017030655A1 (en) 2015-08-18 2016-06-24 Signal re-use during bandwidth transition period

Publications (1)

Publication Number Publication Date
BR112018003042A2 true BR112018003042A2 (pt) 2018-10-09

Family

ID=56507814

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018003042A BR112018003042A2 (pt) 2015-08-18 2016-06-24 reutilização de sinal durante período de transição de largura de banda

Country Status (9)

Country Link
US (1) US9837094B2 (pt)
EP (1) EP3338281A1 (pt)
JP (1) JP6786592B2 (pt)
KR (2) KR20180042253A (pt)
CN (1) CN107851439B (pt)
AU (1) AU2016307721B2 (pt)
BR (1) BR112018003042A2 (pt)
TW (1) TWI630602B (pt)
WO (1) WO2017030655A1 (pt)

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
WO2018108520A1 (en) * 2016-12-16 2018-06-21 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

Family Cites Families (10)

* 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
JPWO2005106848A1 (ja) 2004-04-30 2007-12-13 松下電器産業株式会社 スケーラブル復号化装置および拡張レイヤ消失隠蔽方法
JP5046654B2 (ja) * 2005-01-14 2012-10-10 パナソニック株式会社 スケーラブル復号装置及びスケーラブル復号方法
WO2008056775A1 (fr) * 2006-11-10 2008-05-15 Panasonic Corporation Dispositif de décodage de paramètre, dispositif de codage de paramètre et procédé de décodage de paramètre
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
WO2011062538A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension of a low band audio signal
WO2012108680A2 (ko) * 2011-02-08 2012-08-16 엘지전자 주식회사 대역 확장 방법 및 장치
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

Also Published As

Publication number Publication date
CN107851439B (zh) 2021-12-31
WO2017030655A1 (en) 2017-02-23
KR20240016448A (ko) 2024-02-06
AU2016307721A1 (en) 2018-02-01
CN107851439A (zh) 2018-03-27
US9837094B2 (en) 2017-12-05
TW201712671A (zh) 2017-04-01
AU2016307721B2 (en) 2021-09-23
JP6786592B2 (ja) 2020-11-18
KR20180042253A (ko) 2018-04-25
US20170053659A1 (en) 2017-02-23
EP3338281A1 (en) 2018-06-27
TWI630602B (zh) 2018-07-21
JP2018528463A (ja) 2018-09-27

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]