HK1222255A1 - 用於下混合音頻內容的響度調整 - Google Patents

用於下混合音頻內容的響度調整

Info

Publication number
HK1222255A1
HK1222255A1 HK16110472.8A HK16110472A HK1222255A1 HK 1222255 A1 HK1222255 A1 HK 1222255A1 HK 16110472 A HK16110472 A HK 16110472A HK 1222255 A1 HK1222255 A1 HK 1222255A1
Authority
HK
Hong Kong
Prior art keywords
loundness
adjustment
audio content
downmixed audio
downmixed
Prior art date
Application number
HK16110472.8A
Other languages
English (en)
Inventor
Michael Ward
Jeffrey Riedmiller
Scott Gregory Norcross
Alexander Groeschel
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of HK1222255A1 publication Critical patent/HK1222255A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • 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
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0324—Details of processing therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
HK16110472.8A 2013-09-12 2016-09-02 用於下混合音頻內容的響度調整 HK1222255A1 (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361877230P 2013-09-12 2013-09-12
US201361891324P 2013-10-15 2013-10-15
US201361892313P 2013-10-17 2013-10-17
US201461938043P 2014-02-10 2014-02-10
PCT/US2014/054718 WO2015038522A1 (en) 2013-09-12 2014-09-09 Loudness adjustment for downmixed audio content

Publications (1)

Publication Number Publication Date
HK1222255A1 true HK1222255A1 (zh) 2017-06-23

Family

ID=51589538

Family Applications (1)

Application Number Title Priority Date Filing Date
HK16110472.8A HK1222255A1 (zh) 2013-09-12 2016-09-02 用於下混合音頻內容的響度調整

Country Status (6)

Country Link
US (9) US9521501B2 (zh)
EP (3) EP4379715A2 (zh)
JP (8) JP6506764B2 (zh)
CN (6) CN118016076A (zh)
HK (1) HK1222255A1 (zh)
WO (1) WO2015038522A1 (zh)

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JP2024029123A (ja) 2024-03-05
CN110675883B (zh) 2023-08-18
JP2022066478A (ja) 2022-04-28
JP2020173486A (ja) 2020-10-22
JP2019097219A (ja) 2019-06-20
JP7413470B2 (ja) 2024-01-15
EP3044786B1 (en) 2024-04-24
US20160219390A1 (en) 2016-07-28
JP6633239B2 (ja) 2020-01-22
CN105531759A (zh) 2016-04-27
CN118016076A (zh) 2024-05-10
US20230188918A1 (en) 2023-06-15
US10674302B2 (en) 2020-06-02
US20210321210A1 (en) 2021-10-14
US20190028827A1 (en) 2019-01-24
US9681247B2 (en) 2017-06-13
JP6743265B2 (ja) 2020-08-19
US20160219387A1 (en) 2016-07-28
US20160219391A1 (en) 2016-07-28
CN110648677B (zh) 2024-03-08
US20170311107A1 (en) 2017-10-26
CN110648677A (zh) 2020-01-03
JP2016534669A (ja) 2016-11-04
EP4379714A2 (en) 2024-06-05
JP7138814B2 (ja) 2022-09-16
WO2015038522A1 (en) 2015-03-19
EP3044786A1 (en) 2016-07-20
CN110675883A (zh) 2020-01-10
JP2022168027A (ja) 2022-11-04
US10070243B2 (en) 2018-09-04
US9686624B2 (en) 2017-06-20
JP7038788B2 (ja) 2022-03-18
US11533575B2 (en) 2022-12-20
CN116741189A (zh) 2023-09-12
CN110675884A (zh) 2020-01-10
JP2021057907A (ja) 2021-04-08
US10368181B2 (en) 2019-07-30
JP6506764B2 (ja) 2019-04-24
JP6812599B2 (ja) 2021-01-13
US9521501B2 (en) 2016-12-13
US20190335285A1 (en) 2019-10-31
EP4379715A2 (en) 2024-06-05
JP2020038398A (ja) 2020-03-12
CN105531759B (zh) 2019-11-26
US20200359152A1 (en) 2020-11-12
CN110675884B (zh) 2023-08-08
US10993062B2 (en) 2021-04-27

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