TWI841483B - 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體 - Google Patents

用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體 Download PDF

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TWI841483B
TWI841483B TW112133717A TW112133717A TWI841483B TW I841483 B TWI841483 B TW I841483B TW 112133717 A TW112133717 A TW 112133717A TW 112133717 A TW112133717 A TW 112133717A TW I841483 B TWI841483 B TW I841483B
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decoding matrix
matrix
decoding
speaker
positions
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TW112133717A
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Chinese (zh)
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TW202403730A (zh
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弗羅里安 凱勒
約哈拿斯 波漢
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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
    • 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
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
    • 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
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • 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)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
TW112133717A 2013-10-23 2014-10-17 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體 TWI841483B (zh)

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EP13290255.2 2013-10-23
EP20130290255 EP2866475A1 (en) 2013-10-23 2013-10-23 Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups

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TW202403730A TW202403730A (zh) 2024-01-16
TWI841483B true TWI841483B (zh) 2024-05-01

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TW112133717A TWI841483B (zh) 2013-10-23 2014-10-17 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體
TW103135906A TWI651973B (zh) 2013-10-23 2014-10-17 以保真立體音響格式所編碼聲訊訊號為ｌ揚聲器在已知位置之解碼方法和裝置以及電腦可讀式儲存媒體
TW113113267A TWI897339B (zh) 2013-10-23 2014-10-17 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體
TW109102609A TWI797417B (zh) 2013-10-23 2014-10-17 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體
TW112107889A TWI817909B (zh) 2013-10-23 2014-10-17 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體
TW107141933A TWI686794B (zh) 2013-10-23 2014-10-17 以保真立體音響格式所編碼聲訊訊號為ｌ個揚聲器在已知位置之解碼方法和裝置以及電腦可讀式儲存媒體

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TW103135906A TWI651973B (zh) 2013-10-23 2014-10-17 以保真立體音響格式所編碼聲訊訊號為ｌ揚聲器在已知位置之解碼方法和裝置以及電腦可讀式儲存媒體
TW113113267A TWI897339B (zh) 2013-10-23 2014-10-17 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體
TW109102609A TWI797417B (zh) 2013-10-23 2014-10-17 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體
TW112107889A TWI817909B (zh) 2013-10-23 2014-10-17 用於將保真立體音響格式聲訊訊號描繪至二維度（２ｄ）揚聲器設置之方法和裝置以及電腦可讀式儲存媒體
TW107141933A TWI686794B (zh) 2013-10-23 2014-10-17 以保真立體音響格式所編碼聲訊訊號為ｌ個揚聲器在已知位置之解碼方法和裝置以及電腦可讀式儲存媒體

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US (9) US9813834B2 (enExample)
EP (5) EP2866475A1 (enExample)
JP (6) JP6463749B2 (enExample)
KR (4) KR20240017091A (enExample)
CN (6) CN108337624B (enExample)
AU (7) AU2014339080B2 (enExample)
BR (2) BR122017020302B1 (enExample)
CA (5) CA3168427C (enExample)
ES (1) ES2637922T3 (enExample)
MX (5) MX395579B (enExample)
MY (2) MY191340A (enExample)
RU (2) RU2766560C2 (enExample)
TW (6) TWI841483B (enExample)
WO (1) WO2015059081A1 (enExample)
ZA (6) ZA201801738B (enExample)

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US20190349699A1 (en) 2019-11-14
US20160309273A1 (en) 2016-10-20
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JP6950014B2 (ja) 2021-10-13
CN108632736B (zh) 2021-06-01
JP2024138553A (ja) 2024-10-08
AU2014339080B2 (en) 2018-08-30
US20220408209A1 (en) 2022-12-22
CN108632737A (zh) 2018-10-09
HK1221105A1 (zh) 2017-05-19
BR112016009209A8 (pt) 2017-12-05
AU2025201486A1 (en) 2025-03-20
AU2018267665A1 (en) 2018-12-13
AU2022291443B2 (en) 2024-11-28
JP7529371B2 (ja) 2024-08-06
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MX2022011449A (es) 2023-03-08
RU2019100542A3 (enExample) 2021-12-08
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AU2014339080A1 (en) 2016-05-26
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CN108777836A (zh) 2018-11-09
EP3742763A1 (en) 2020-11-25
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US11770667B2 (en) 2023-09-26
US11451918B2 (en) 2022-09-20
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