AU2017288254B2 - Audio decoding using intermediate sampling rate - Google Patents

Audio decoding using intermediate sampling rate Download PDF

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Publication number
AU2017288254B2
AU2017288254B2 AU2017288254A AU2017288254A AU2017288254B2 AU 2017288254 B2 AU2017288254 B2 AU 2017288254B2 AU 2017288254 A AU2017288254 A AU 2017288254A AU 2017288254 A AU2017288254 A AU 2017288254A AU 2017288254 B2 AU2017288254 B2 AU 2017288254B2
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Australia
Prior art keywords
sampling rate
signal
domain
band signal
band
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AU2017288254A
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AU2017288254A1 (en
Inventor
Venkatraman ATTI
Venkata Subrahmanyam Chandra Sekhar CHEBIYYAM
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Qualcomm Inc
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Qualcomm Inc
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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
    • G10L19/26—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
    • 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
    • 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

Landscapes

  • 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)
AU2017288254A 2016-06-27 2017-06-13 Audio decoding using intermediate sampling rate Active AU2017288254B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
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

Publications (2)

Publication Number Publication Date
AU2017288254A1 AU2017288254A1 (en) 2018-12-13
AU2017288254B2 true AU2017288254B2 (en) 2022-02-24

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AU2017288254A Active AU2017288254B2 (en) 2016-06-27 2017-06-13 Audio decoding using intermediate sampling rate

Country Status (9)

Country Link
US (2) US10249307B2 (enExample)
EP (1) EP3475945B1 (enExample)
JP (1) JP6873165B2 (enExample)
KR (2) KR102729930B1 (enExample)
CN (1) CN109328383B (enExample)
AU (1) AU2017288254B2 (enExample)
BR (1) BR112018076546A2 (enExample)
TW (1) TWI725202B (enExample)
WO (1) WO2018005079A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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

Citations (2)

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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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US7970602B2 (en) * 2005-02-24 2011-06-28 Panasonic Corporation Data reproduction device
AU2011311659B2 (en) * 2010-10-06 2015-07-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (USAC)
EP3503098B1 (en) * 2011-02-14 2023-08-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method decoding an audio signal using an aligned look-ahead portion
US20140214431A1 (en) * 2011-07-01 2014-07-31 Dolby Laboratories Licensing Corporation Sample rate scalable lossless audio coding
RU2665214C1 (ru) * 2013-04-05 2018-08-28 Долби Интернэшнл Аб Стереофонический кодер и декодер аудиосигналов
FR3007563A1 (fr) 2013-06-25 2014-12-26 France Telecom Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
EP2830059A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling energy adjustment
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
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
US10249307B2 (en) 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JP2019519002A (ja) 2019-07-04
WO2018005079A1 (en) 2018-01-04
TW201810250A (zh) 2018-03-16
TWI725202B (zh) 2021-04-21
US10249307B2 (en) 2019-04-02
KR20230023821A (ko) 2023-02-17
US20170372708A1 (en) 2017-12-28
KR20190021253A (ko) 2019-03-05
AU2017288254A1 (en) 2018-12-13
KR102729930B1 (ko) 2024-11-13
EP3475945B1 (en) 2021-08-18
CN109328383A (zh) 2019-02-12
CN109328383B (zh) 2023-05-26
EP3475945A1 (en) 2019-05-01
US20190180761A1 (en) 2019-06-13
JP6873165B2 (ja) 2021-05-19
KR102497366B1 (ko) 2023-02-07
BR112018076546A2 (pt) 2019-04-02
US10902858B2 (en) 2021-01-26

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Legal Events

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DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE NAME OF THE INVENTOR TO READ CHEBIYYAM, VENKATA SUBRAHMANYAM CHANDRA SEKHAR AND ATTI, VENKATRAMAN

FGA Letters patent sealed or granted (standard patent)