TWI770522B - 將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置 - Google Patents

將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置 Download PDF

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TWI770522B
TWI770522B TW109118435A TW109118435A TWI770522B TW I770522 B TWI770522 B TW I770522B TW 109118435 A TW109118435 A TW 109118435A TW 109118435 A TW109118435 A TW 109118435A TW I770522 B TWI770522 B TW I770522B
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TW202113805A (zh
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亞歷山大 克魯格
斯凡 科登
奧利弗 烏柏特
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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
    • 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 
    • 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
    • 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
    • H04S2400/01—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 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW109118435A 2014-03-21 2015-03-20 將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置 TWI770522B (zh)

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EP14305411.2 2014-03-21
EP14305411.2A EP2922057A1 (en) 2014-03-21 2014-03-21 Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal

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TW111125526A TWI836503B (zh) 2014-03-21 2015-03-20 將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置
TW109118435A TWI770522B (zh) 2014-03-21 2015-03-20 將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置
TW113106545A TW202441497A (zh) 2014-03-21 2015-03-20 將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置
TW107139029A TWI697893B (zh) 2014-03-21 2015-03-20 將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置

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TW111125526A TWI836503B (zh) 2014-03-21 2015-03-20 將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置

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TW107139029A TWI697893B (zh) 2014-03-21 2015-03-20 將高階保真立體音響信號壓縮之方法，將已壓縮高階保真立體音響信號解壓縮之方法，將高階保真立體音響信號壓縮之裝置，以及將已壓縮高階保真立體音響信號解壓縮之裝置

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CN (6) CN118762700A (enExample)
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JP6416352B2 (ja) 2018-10-31
US9930464B2 (en) 2018-03-27
CN111179949B (zh) 2022-03-25
TW202309877A (zh) 2023-03-01
US20170180902A1 (en) 2017-06-22
US20250080934A1 (en) 2025-03-06
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US20190342686A1 (en) 2019-11-07
JP6707604B2 (ja) 2020-06-10
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KR20200097813A (ko) 2020-08-19
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JP2018205783A (ja) 2018-12-27
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US10334382B2 (en) 2019-06-25
US10779104B2 (en) 2020-09-15
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US10542364B2 (en) 2020-01-21
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TW202113805A (zh) 2021-04-01
JP2017227930A (ja) 2017-12-28
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KR20180026568A (ko) 2018-03-12
TWI648729B (zh) 2019-01-21
US20210058729A1 (en) 2021-02-25
EP4387276A2 (en) 2024-06-19
CN111182442A (zh) 2020-05-19
US20200120436A1 (en) 2020-04-16
EP2922057A1 (en) 2015-09-23

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