TWI686793B - 用於確定用於hoa資料框表示之壓縮的最低整數位元數的方法及設備，以及用於解碼聲音或聲場的壓縮的高階保真立體音響(hoa)聲音表示的方法及設備 - Google Patents

用於確定用於hoa資料框表示之壓縮的最低整數位元數的方法及設備，以及用於解碼聲音或聲場的壓縮的高階保真立體音響(hoa)聲音表示的方法及設備 Download PDF

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TWI686793B
TWI686793B TW104120629A TW104120629A TWI686793B TW I686793 B TWI686793 B TW I686793B TW 104120629 A TW104120629 A TW 104120629A TW 104120629 A TW104120629 A TW 104120629A TW I686793 B TWI686793 B TW I686793B
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hoa
representation
data frame
signal
matrix
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TW104120629A
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TW201603003A (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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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
TW104120629A 2014-06-27 2015-06-26 用於確定用於hoa資料框表示之壓縮的最低整數位元數的方法及設備，以及用於解碼聲音或聲場的壓縮的高階保真立體音響(hoa)聲音表示的方法及設備 TWI686793B (zh)

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TW104120629A TWI686793B (zh) 2014-06-27 2015-06-26 用於確定用於hoa資料框表示之壓縮的最低整數位元數的方法及設備，以及用於解碼聲音或聲場的壓縮的高階保真立體音響(hoa)聲音表示的方法及設備
TW112127255A TWI860790B (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法
TW110143955A TWI811864B (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法
TW109102610A TWI705433B (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法
TW109130726A TWI748636B (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法
TW113137494A TW202533210A (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法

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TW110143955A TWI811864B (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法
TW109102610A TWI705433B (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法
TW109130726A TWI748636B (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法
TW113137494A TW202533210A (zh) 2014-06-27 2015-06-26 用於解碼聲音或聲場的高階保真立體音響（ｈｏａ）表示的方法

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US (3) US9794713B2 (enExample)
EP (2) EP3855766A1 (enExample)
JP (4) JP6656182B2 (enExample)
KR (4) KR102410307B1 (enExample)
CN (5) CN119743722A (enExample)
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DE102016104665A1 (de) * 2016-03-14 2017-09-14 Ask Industries Gmbh Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals
CN114582357B (zh) * 2020-11-30 2025-09-12 华为技术有限公司 一种音频编解码方法和装置
CN113345448B (zh) * 2021-05-12 2022-08-05 北京大学 一种基于独立成分分析的hoa信号压缩方法
CN115376527A (zh) * 2021-05-17 2022-11-22 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN115938388A (zh) * 2021-05-31 2023-04-07 华为技术有限公司 一种三维音频信号的处理方法和装置
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统
CN115881140B (zh) * 2021-09-29 2025-09-26 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序产品
CN113940684B (zh) * 2021-11-25 2025-02-25 江苏正心智能科技有限公司 一种可穿戴便携式心脏监护设备
CN115331681B (zh) * 2022-08-09 2025-12-09 深蓝感知(杭州)物联科技有限公司 一种基于感兴趣区域的音频增强编码传输系统及方法

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TW202127431A (zh) 2021-07-16
JP7753312B2 (ja) 2025-10-14
KR20220088947A (ko) 2022-06-28
TWI811864B (zh) 2023-08-11
CN119743722A (zh) 2025-04-01
KR20170023869A (ko) 2017-03-06
JP7423585B2 (ja) 2024-01-29
JP2022017458A (ja) 2022-01-25
JP6972195B2 (ja) 2021-11-24
TW202533210A (zh) 2025-08-16
CN112216292A (zh) 2021-01-12
US10516958B2 (en) 2019-12-24
EP3162087B1 (en) 2021-03-17
KR102791174B1 (ko) 2025-04-07
KR20250051142A (ko) 2025-04-16
TWI748636B (zh) 2021-12-01
JP2023179673A (ja) 2023-12-19
EP3162087A1 (en) 2017-05-03
EP3855766A1 (en) 2021-07-28
CN112216291A (zh) 2021-01-12
TW202236258A (zh) 2022-09-16
JP2017523459A (ja) 2017-08-17
WO2015197517A1 (en) 2015-12-30
TW201603003A (zh) 2016-01-16
TWI860790B (zh) 2024-11-01
CN107077852B (zh) 2020-12-04
KR102606212B1 (ko) 2023-11-29
US20190174243A1 (en) 2019-06-06
KR102410307B1 (ko) 2022-06-20
TW202022854A (zh) 2020-06-16
CN112216292B (zh) 2025-01-17
CN119676630A (zh) 2025-03-21
US10165384B2 (en) 2018-12-25
CN112216291B (zh) 2025-01-17
KR20230162157A (ko) 2023-11-28
CN107077852A (zh) 2017-08-18
TWI705433B (zh) 2020-09-21
US20180007484A1 (en) 2018-01-04
JP2020091491A (ja) 2020-06-11
US20170134874A1 (en) 2017-05-11
JP6656182B2 (ja) 2020-03-04
US9794713B2 (en) 2017-10-17
TW202420294A (zh) 2024-05-16

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