JP5895050B2 - 符号化された多チャンネルオーディオ信号を処理するオーディオ信号プロセッサ及びその方法 - Google Patents

符号化された多チャンネルオーディオ信号を処理するオーディオ信号プロセッサ及びその方法 Download PDF

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JP5895050B2
JP5895050B2 JP2014516462A JP2014516462A JP5895050B2 JP 5895050 B2 JP5895050 B2 JP 5895050B2 JP 2014516462 A JP2014516462 A JP 2014516462A JP 2014516462 A JP2014516462 A JP 2014516462A JP 5895050 B2 JP5895050 B2 JP 5895050B2
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channel
encoded
audio signal
audio
signal
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JP2014520473A5 (enExample
JP2014520473A (ja
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アキ サカリ ハルマ
アキ サカリ ハルマ
アーノルドゥス ウェルナー ヨハネス オーメン
アーノルドゥス ウェルナー ヨハネス オーメン
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Koninklijke Philips NV
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (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)
  • Stereophonic System (AREA)
JP2014516462A 2011-06-24 2012-06-04 符号化された多チャンネルオーディオ信号を処理するオーディオ信号プロセッサ及びその方法 Expired - Fee Related JP5895050B2 (ja)

Applications Claiming Priority (3)

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EP11171280 2011-06-24
EP11171280.8 2011-06-24
PCT/IB2012/052795 WO2012176084A1 (en) 2011-06-24 2012-06-04 Audio signal processor for processing encoded multi - channel audio signals and method therefor

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JP2014520473A JP2014520473A (ja) 2014-08-21
JP2014520473A5 JP2014520473A5 (enExample) 2015-07-23
JP5895050B2 true JP5895050B2 (ja) 2016-03-30

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US (1) US9626975B2 (enExample)
EP (1) EP2724555B1 (enExample)
JP (1) JP5895050B2 (enExample)
CN (1) CN103620673B (enExample)
BR (1) BR112013032727A2 (enExample)
RU (1) RU2595910C2 (enExample)
WO (1) WO2012176084A1 (enExample)

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US10531219B2 (en) 2017-03-20 2020-01-07 Nokia Technologies Oy Smooth rendering of overlapping audio-object interactions
US11074036B2 (en) 2017-05-05 2021-07-27 Nokia Technologies Oy Metadata-free audio-object interactions
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US11395087B2 (en) 2017-09-29 2022-07-19 Nokia Technologies Oy Level-based audio-object interactions
US10542368B2 (en) 2018-03-27 2020-01-21 Nokia Technologies Oy Audio content modification for playback audio
US10771913B2 (en) 2018-05-11 2020-09-08 Dts, Inc. Determining sound locations in multi-channel audio
CN112218020B (zh) * 2019-07-09 2023-03-21 海信视像科技股份有限公司 一种多声道平台音频数据传输方法及其装置
GB2587614A (en) * 2019-09-26 2021-04-07 Nokia Technologies Oy Audio encoding and audio decoding
CN115376529B (zh) * 2021-05-17 2024-10-11 华为技术有限公司 三维音频信号编码方法、装置和编码器
WO2023157650A1 (ja) * 2022-02-16 2023-08-24 ソニーグループ株式会社 信号処理装置および信号処理方法

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US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
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US8380333B2 (en) * 2009-12-21 2013-02-19 Nokia Corporation Methods, apparatuses and computer program products for facilitating efficient browsing and selection of media content and lowering computational load for processing audio data

Also Published As

Publication number Publication date
RU2014102198A (ru) 2015-07-27
EP2724555B1 (en) 2015-04-22
US20140133661A1 (en) 2014-05-15
CN103620673A (zh) 2014-03-05
BR112013032727A2 (pt) 2017-01-31
US9626975B2 (en) 2017-04-18
WO2012176084A1 (en) 2012-12-27
JP2014520473A (ja) 2014-08-21
RU2595910C2 (ru) 2016-08-27
EP2724555A1 (en) 2014-04-30
CN103620673B (zh) 2016-04-27

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