KR102497366B1 - 중간 샘플링 레이트를 사용한 오디오 디코딩 - Google Patents

중간 샘플링 레이트를 사용한 오디오 디코딩 Download PDF

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KR102497366B1
KR102497366B1 KR1020187037310A KR20187037310A KR102497366B1 KR 102497366 B1 KR102497366 B1 KR 102497366B1 KR 1020187037310 A KR1020187037310 A KR 1020187037310A KR 20187037310 A KR20187037310 A KR 20187037310A KR 102497366 B1 KR102497366 B1 KR 102497366B1
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KR20190021253A (ko
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벤카타 수브라마니암 찬드라 세카르 체비얌
벤카트라만 아티
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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
    • G10L19/008—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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020187037310A 2016-06-27 2017-06-13 중간 샘플링 레이트를 사용한 오디오 디코딩 Active KR102497366B1 (ko)

Priority Applications (1)

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KR1020237004017A KR102729930B1 (ko) 2016-06-27 2017-06-13 중간 샘플링 레이트를 사용한 오디오 디코딩

Applications Claiming Priority (5)

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US201662355138P 2016-06-27 2016-06-27
US62/355,138 2016-06-27
US15/620,685 2017-06-12
US15/620,685 US10249307B2 (en) 2016-06-27 2017-06-12 Audio decoding using intermediate sampling rate
PCT/US2017/037190 WO2018005079A1 (en) 2016-06-27 2017-06-13 Audio decoding using intermediate sampling rate

Related Child Applications (1)

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KR1020237004017A Division KR102729930B1 (ko) 2016-06-27 2017-06-13 중간 샘플링 레이트를 사용한 오디오 디코딩

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KR20190021253A KR20190021253A (ko) 2019-03-05
KR102497366B1 true KR102497366B1 (ko) 2023-02-07

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KR1020237004017A Active KR102729930B1 (ko) 2016-06-27 2017-06-13 중간 샘플링 레이트를 사용한 오디오 디코딩

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US (2) US10249307B2 (cg-RX-API-DMAC7.html)
EP (1) EP3475945B1 (cg-RX-API-DMAC7.html)
JP (1) JP6873165B2 (cg-RX-API-DMAC7.html)
KR (2) KR102497366B1 (cg-RX-API-DMAC7.html)
CN (1) CN109328383B (cg-RX-API-DMAC7.html)
AU (1) AU2017288254B2 (cg-RX-API-DMAC7.html)
BR (1) BR112018076546A2 (cg-RX-API-DMAC7.html)
TW (1) TWI725202B (cg-RX-API-DMAC7.html)
WO (1) WO2018005079A1 (cg-RX-API-DMAC7.html)

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Publication number Priority date Publication date Assignee Title
US10249307B2 (en) * 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate
US10573326B2 (en) 2017-04-05 2020-02-25 Qualcomm Incorporated Inter-channel bandwidth extension
KR102526699B1 (ko) * 2018-09-13 2023-04-27 라인플러스 주식회사 통화 품질 정보를 제공하는 방법 및 장치
KR102194595B1 (ko) 2019-02-22 2020-12-23 엘지전자 주식회사 워터 디스펜싱 장치
TWI703559B (zh) * 2019-07-08 2020-09-01 瑞昱半導體股份有限公司 音效編碼解碼電路及音頻資料的處理方法
CN111354365B (zh) * 2020-03-10 2023-10-31 苏宁云计算有限公司 一种纯语音数据采样率识别方法、装置、系统
US12488803B2 (en) * 2021-06-04 2025-12-02 Apple Inc. Method and system for encoding and wirelessly transmitting stereo audio content for audio communication

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US20160055864A1 (en) 2013-04-05 2016-02-25 Dolby Laboratories Licensing Corporation Audio encoder and decoder
US20160055855A1 (en) 2013-04-05 2016-02-25 Dolby Laboratories Licensing Corporation Audio processing system

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AR083303A1 (es) * 2010-10-06 2013-02-13 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio y para otorgar una mayor granularidad temporal para un codificador-decodificador combinado y unificado de voz y audio (usac)
EP4243017B1 (en) * 2011-02-14 2025-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method encoding an audio signal using an aligned look-ahead portion
EP2727108B1 (en) * 2011-07-01 2015-09-09 Dolby Laboratories Licensing Corporation Sample rate scalable lossless audio coding
EP2981960B1 (en) * 2013-04-05 2019-03-13 Dolby International AB Stereo audio encoder and decoder
FR3007563A1 (fr) 2013-06-25 2014-12-26 France Telecom Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
EP2830056A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
EP2980791A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions
EP2980794A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
US10249307B2 (en) 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate

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US20160055864A1 (en) 2013-04-05 2016-02-25 Dolby Laboratories Licensing Corporation Audio encoder and decoder
US20160055855A1 (en) 2013-04-05 2016-02-25 Dolby Laboratories Licensing Corporation Audio processing system

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Bertrand Fatus. Parametric Coding for Spatial Audio. Master’s Thesis, KTH, Stockholm, Sweden. 2015.12.

Also Published As

Publication number Publication date
BR112018076546A2 (pt) 2019-04-02
US20190180761A1 (en) 2019-06-13
CN109328383B (zh) 2023-05-26
CN109328383A (zh) 2019-02-12
KR20190021253A (ko) 2019-03-05
US10249307B2 (en) 2019-04-02
KR20230023821A (ko) 2023-02-17
US20170372708A1 (en) 2017-12-28
US10902858B2 (en) 2021-01-26
JP6873165B2 (ja) 2021-05-19
AU2017288254B2 (en) 2022-02-24
TW201810250A (zh) 2018-03-16
TWI725202B (zh) 2021-04-21
EP3475945B1 (en) 2021-08-18
JP2019519002A (ja) 2019-07-04
EP3475945A1 (en) 2019-05-01
KR102729930B1 (ko) 2024-11-13
WO2018005079A1 (en) 2018-01-04
AU2017288254A1 (en) 2018-12-13

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