TWI648729B - 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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TWI648729B
TWI648729B TW104108896A TW104108896A TWI648729B TW I648729 B TWI648729 B TW I648729B TW 104108896 A TW104108896 A TW 104108896A TW 104108896 A TW104108896 A TW 104108896A TW I648729 B TWI648729 B TW I648729B
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hoa
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signal
representation
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TW201537562A (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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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application of ambisonics in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • 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)
TW104108896A 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 TWI648729B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
??14305411.2 2014-03-21

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TW201537562A TW201537562A (zh) 2015-10-01
TWI648729B true TWI648729B (zh) 2019-01-21

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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
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
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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US (8) US9930464B2 (enExample)
EP (4) EP2922057A1 (enExample)
JP (7) JP6220082B2 (enExample)
KR (6) KR101838056B1 (enExample)
CN (6) CN118762700A (enExample)
TW (5) TWI648729B (enExample)
WO (1) WO2015140291A1 (enExample)

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KR20210040193A (ko) 2021-04-12
KR20230156453A (ko) 2023-11-14
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
JP7749766B2 (ja) 2025-10-06
EP3686887B1 (en) 2024-02-28
CN111179949A (zh) 2020-05-19
EP3686887A1 (en) 2020-07-29
US20190342686A1 (en) 2019-11-07
JP6707604B2 (ja) 2020-06-10
CN111179948A (zh) 2020-05-19
JP7174810B6 (ja) 2022-12-20
CN111145766B (zh) 2022-06-24
KR20200097813A (ko) 2020-08-19
CN111145766A (zh) 2020-05-12
JP2018205783A (ja) 2018-12-27
JP2017514160A (ja) 2017-06-01
KR20180086512A (ko) 2018-07-31
CN111182442B (zh) 2021-08-27
JP6220082B2 (ja) 2017-10-25
US10334382B2 (en) 2019-06-25
US10779104B2 (en) 2020-09-15
KR20220113838A (ko) 2022-08-16
CN106463123B (zh) 2020-03-03
EP4387276A3 (en) 2024-09-11
CN118762700A (zh) 2024-10-11
JP7174810B2 (ja) 2022-11-17
US10542364B2 (en) 2020-01-21
CN111179948B (zh) 2024-09-27
TWI697893B (zh) 2020-07-01
TW202113805A (zh) 2021-04-01
JP2017227930A (ja) 2017-12-28
KR102238609B1 (ko) 2021-04-09
TW201537562A (zh) 2015-10-01
KR102428815B1 (ko) 2022-08-04
TW201933333A (zh) 2019-08-16
US12069465B2 (en) 2024-08-20
US20220377481A1 (en) 2022-11-24
JP2021152681A (ja) 2021-09-30
KR102144389B1 (ko) 2020-08-13
US20240007813A1 (en) 2024-01-04
JP2023001241A (ja) 2023-01-04
US11722830B2 (en) 2023-08-08
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US11395084B2 (en) 2022-07-19
JP2024144543A (ja) 2024-10-11
KR101882654B1 (ko) 2018-07-26
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CN106463123A (zh) 2017-02-22
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JP6907383B2 (ja) 2021-07-21
WO2015140291A1 (en) 2015-09-24
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US20180234785A1 (en) 2018-08-16
EP3120350A1 (en) 2017-01-25
JP2020160454A (ja) 2020-10-01
TWI836503B (zh) 2024-03-21
KR20160124422A (ko) 2016-10-27
EP3120350B1 (en) 2020-02-19
KR20180026568A (ko) 2018-03-12
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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