TWI808842B - 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法 - Google Patents

從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法 Download PDF

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TWI808842B
TWI808842B TW111127893A TW111127893A TWI808842B TW I808842 B TWI808842 B TW I808842B TW 111127893 A TW111127893 A TW 111127893A TW 111127893 A TW111127893 A TW 111127893A TW I808842 B TWI808842 B TW I808842B
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matrix
panning
audio signal
decoding
sampling points
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TW111127893A
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TW202322100A (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
    • H04S3/008—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
    • 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
    • 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 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • 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 
    • 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
    • H04S2420/11—Application 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)
  • Mathematical Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
TW111127893A 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法 TWI808842B (zh)

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EP12305356.3 2012-03-28
EP12305356.3A EP2645748A1 (en) 2012-03-28 2012-03-28 Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal

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TW110122105A TWI775497B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW102108148A TWI590230B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW106112615A TWI651715B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW109121565A TWI734539B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW113117951A TWI880743B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW112122168A TWI845344B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW108123461A TWI698858B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW107144828A TWI675366B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW107128846A TWI666629B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法

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TW102108148A TWI590230B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW106112615A TWI651715B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW109121565A TWI734539B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW113117951A TWI880743B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW112122168A TWI845344B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW108123461A TWI698858B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW107144828A TWI675366B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法
TW107128846A TWI666629B (zh) 2012-03-28 2013-03-08 從三維度空間性高階保真立體音響聲頻訊號解碼立體聲擴音器訊號之方法及裝置，以及所用解碼矩陣之決定方法

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EP (4) EP2645748A1 (enExample)
JP (6) JP6316275B2 (enExample)
KR (6) KR20250141277A (enExample)
CN (6) CN104205879B (enExample)
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US10433090B2 (en) 2019-10-01
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JP2024138554A (ja) 2024-10-08
CN107172567A (zh) 2017-09-15
US20190364376A1 (en) 2019-11-28
CN104205879B (zh) 2017-08-11
CN107241677A (zh) 2017-10-10
TW202322100A (zh) 2023-06-01
US20220182775A1 (en) 2022-06-09
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TWI675366B (zh) 2019-10-21
WO2013143934A1 (en) 2013-10-03
US20240298128A1 (en) 2024-09-05
JP7529370B2 (ja) 2024-08-06
TWI590230B (zh) 2017-07-01
TWI880743B (zh) 2025-04-11
KR102207035B1 (ko) 2021-01-25
CN107182022A (zh) 2017-09-19
TW202416269A (zh) 2024-04-16
TWI734539B (zh) 2021-07-21
US20150081310A1 (en) 2015-03-19
US9666195B2 (en) 2017-05-30
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EP2832113B1 (en) 2020-07-22
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