JP2024543726A - オーディオデータを処理する方法および装置 - Google Patents

オーディオデータを処理する方法および装置 Download PDF

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Publication number
JP2024543726A
JP2024543726A JP2024534300A JP2024534300A JP2024543726A JP 2024543726 A JP2024543726 A JP 2024543726A JP 2024534300 A JP2024534300 A JP 2024534300A JP 2024534300 A JP2024534300 A JP 2024534300A JP 2024543726 A JP2024543726 A JP 2024543726A
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JP
Japan
Prior art keywords
drc
dynamic
loudness
metadata
audio data
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2024534300A
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English (en)
Japanese (ja)
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JP2024543726A5 (https=
JPWO2023104360A5 (https=
Inventor
ファーシュ，クリストフ
Original Assignee
ドルビー・インターナショナル・アーベー
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 ドルビー・インターナショナル・アーベー filed Critical ドルビー・インターナショナル・アーベー
Publication of JP2024543726A publication Critical patent/JP2024543726A/ja
Publication of JP2024543726A5 publication Critical patent/JP2024543726A5/ja
Publication of JPWO2023104360A5 publication Critical patent/JPWO2023104360A5/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
    • 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
    • G10L19/167—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 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
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • 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)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
JP2024534300A 2021-12-07 2022-08-24 オーディオデータを処理する方法および装置 Pending JP2024543726A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163287029P 2021-12-07 2021-12-07
US63/287,029 2021-12-07
US202163290493P 2021-12-16 2021-12-16
US63/290,493 2021-12-16
PCT/EP2022/073628 WO2023104360A1 (en) 2021-12-07 2022-08-24 Method and apparatus for processing of audio data

Publications (3)

Publication Number Publication Date
JP2024543726A true JP2024543726A (ja) 2024-11-22
JP2024543726A5 JP2024543726A5 (https=) 2025-08-18
JPWO2023104360A5 JPWO2023104360A5 (https=) 2025-08-18

Family

ID=83283345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024534300A Pending JP2024543726A (ja) 2021-12-07 2022-08-24 オーディオデータを処理する方法および装置

Country Status (8)

Country Link
US (1) US20250046318A1 (https=)
EP (1) EP4445365A1 (https=)
JP (1) JP2024543726A (https=)
KR (1) KR20240118131A (https=)
AU (1) AU2022405503A1 (https=)
CA (1) CA3241847A1 (https=)
MX (1) MX2024006931A (https=)
WO (1) WO2023104360A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016534669A (ja) * 2013-09-12 2016-11-04 ドルビー ラボラトリーズ ライセンシング コーポレイション ダウンミックスされたオーディオ・コンテンツについてのラウドネス調整
JP2019148807A (ja) * 2015-07-31 2019-09-05 アップル インコーポレイテッドＡｐｐｌｅ Ｉｎｃ． エンコードされたオーディオ拡張メタデータベースのダイナミックレンジ制御
JP2021073814A (ja) * 2014-10-01 2021-05-13 ドルビー・インターナショナル・アーベー 効率的なｄｒｃプロファイル伝送

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016534669A (ja) * 2013-09-12 2016-11-04 ドルビー ラボラトリーズ ライセンシング コーポレイション ダウンミックスされたオーディオ・コンテンツについてのラウドネス調整
JP2021073814A (ja) * 2014-10-01 2021-05-13 ドルビー・インターナショナル・アーベー 効率的なｄｒｃプロファイル伝送
JP2019148807A (ja) * 2015-07-31 2019-09-05 アップル インコーポレイテッドＡｐｐｌｅ Ｉｎｃ． エンコードされたオーディオ拡張メタデータベースのダイナミックレンジ制御

Also Published As

Publication number Publication date
KR20240118131A (ko) 2024-08-02
EP4445365A1 (en) 2024-10-16
MX2024006931A (es) 2024-06-20
WO2023104360A1 (en) 2023-06-15
CA3241847A1 (en) 2023-06-15
US20250046318A1 (en) 2025-02-06
AU2022405503A1 (en) 2024-06-20

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