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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hoa
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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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EP14305411.2A 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
EP14305411.2 2014-03-21

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TW202113805A TW202113805A (zh) 2021-04-01
TWI770522B true TWI770522B (zh) 2022-07-11

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TW104108896A TWI648729B (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
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
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
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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US (8) US9930464B2 (https=)
EP (4) EP2922057A1 (https=)
JP (8) JP6220082B2 (https=)
KR (8) KR101882654B1 (https=)
CN (6) CN111179948B (https=)
TW (4) TWI770522B (https=)
WO (1) WO2015140291A1 (https=)

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CN111182442B (zh) 2021-08-27
US20190342686A1 (en) 2019-11-07
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CN111179949A (zh) 2020-05-19
TWI697893B (zh) 2020-07-01
JP2017514160A (ja) 2017-06-01
KR101882654B1 (ko) 2018-07-26
EP3686887A1 (en) 2020-07-29
KR102904671B1 (ko) 2025-12-29
US20180234785A1 (en) 2018-08-16
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US11722830B2 (en) 2023-08-08
US11395084B2 (en) 2022-07-19
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CN111145766B (zh) 2022-06-24
KR20230156453A (ko) 2023-11-14
US10542364B2 (en) 2020-01-21
TW201933333A (zh) 2019-08-16
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US9930464B2 (en) 2018-03-27
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TW202113805A (zh) 2021-04-01
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