TWI735083B - 對於高階保真立體音響資料框表示之壓縮判定用於描述非差分增益值表示的最低整數位元數之方法與裝置 - Google Patents

對於高階保真立體音響資料框表示之壓縮判定用於描述非差分增益值表示的最低整數位元數之方法與裝置 Download PDF

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TWI735083B
TWI735083B TW108142370A TW108142370A TWI735083B TW I735083 B TWI735083 B TW I735083B TW 108142370 A TW108142370 A TW 108142370A TW 108142370 A TW108142370 A TW 108142370A TW I735083 B TWI735083 B TW I735083B
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hoa
signal
representation
frame
sound
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TW108142370A
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TW202013356A (zh
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亞歷山德 克魯格
斯凡 科登
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瑞典商杜比國際公司
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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
    • G10L19/04—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW108142370A 2014-06-27 2015-06-26 對於高階保真立體音響資料框表示之壓縮判定用於描述非差分增益值表示的最低整數位元數之方法與裝置 TWI735083B (zh)

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TW110123995A TWI797658B (zh) 2014-06-27 2015-06-26 對於高階保真立體音響資料框表示之壓縮判定用於描述非差分增益值表示的最低整數位元數之方法與裝置
TW104120628A TWI681385B (zh) 2014-06-27 2015-06-26 對於高階保真立體音響資料框表示之壓縮判定用於描述非差分增益值表示的最低整數位元數之方法與裝置

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TW104120628A TWI681385B (zh) 2014-06-27 2015-06-26 對於高階保真立體音響資料框表示之壓縮判定用於描述非差分增益值表示的最低整數位元數之方法與裝置

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KR102655047B1 (ko) * 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
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CN115346537B (zh) * 2021-05-14 2024-11-29 华为技术有限公司 一种音频编码、解码方法及装置

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KR102428425B1 (ko) 2022-08-03
JP2026009133A (ja) 2026-01-19
EP4057280A1 (en) 2022-09-14
EP4057280B1 (en) 2025-10-15
JP2020060790A (ja) 2020-04-16
KR20220110616A (ko) 2022-08-08
TW201603002A (zh) 2016-01-16
US9922657B2 (en) 2018-03-20
KR20240047489A (ko) 2024-04-12
EP3489953A2 (en) 2019-05-29
US20180166084A1 (en) 2018-06-14
US10224044B2 (en) 2019-03-05
TWI681385B (zh) 2020-01-01
EP3161821B1 (en) 2018-09-26
KR102655047B1 (ko) 2024-04-08
CN113793617A (zh) 2021-12-14
CN119864039A (zh) 2025-04-22
US10621995B2 (en) 2020-04-14
US20170133021A1 (en) 2017-05-11
CN113793618A (zh) 2021-12-14
JP2023099587A (ja) 2023-07-13
JP2017523457A (ja) 2017-08-17
CN113808600A (zh) 2021-12-17
EP3489953B8 (en) 2022-06-15
CN120032651A (zh) 2025-05-23
CN113808600B (zh) 2025-04-04
TW202013356A (zh) 2020-04-01
US20190147891A1 (en) 2019-05-16
CN106663434A (zh) 2017-05-10
JP7757471B2 (ja) 2025-10-21
CN113808598A (zh) 2021-12-17
EP3161821A1 (en) 2017-05-03
JP2021105741A (ja) 2021-07-26
CN113808599B (zh) 2025-02-21
JP7516610B2 (ja) 2024-07-16
EP3489953A3 (en) 2019-07-03
JP6872002B2 (ja) 2021-05-19
JP2024147600A (ja) 2024-10-16
CN113808599A (zh) 2021-12-17
CN113808598B (zh) 2025-03-18
TW202217799A (zh) 2022-05-01
CN113793618B (zh) 2025-03-21
TW202403729A (zh) 2024-01-16
CN113793617B (zh) 2025-02-21
EP3489953B1 (en) 2022-04-20
TWI797658B (zh) 2023-04-01
JP6641303B2 (ja) 2020-02-05
CN106663434B (zh) 2021-09-28
JP7275191B2 (ja) 2023-05-17
EP4712074A2 (en) 2026-03-18
CN120032652A (zh) 2025-05-23
WO2015197516A1 (en) 2015-12-30
KR20170023866A (ko) 2017-03-06

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