TWI905561B - 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體 - Google Patents

高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體

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Publication number
TWI905561B
TWI905561B TW112140741A TW112140741A TWI905561B TW I905561 B TWI905561 B TW I905561B TW 112140741 A TW112140741 A TW 112140741A TW 112140741 A TW112140741 A TW 112140741A TW I905561 B TWI905561 B TW I905561B
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TW
Taiwan
Prior art keywords
hoa
signal
directional
representation
decoded
Prior art date
Application number
TW112140741A
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English (en)
Chinese (zh)
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TW202435200A (zh
Inventor
亞歷山德 克魯格
斯凡 科登
約哈拿斯 波漢
約翰馬可士 貝克
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瑞典商杜比國際公司
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Publication of TW202435200A publication Critical patent/TW202435200A/zh
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Classifications

    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • 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 
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • User Interface Of Digital Computer (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
TW112140741A 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體 TWI905561B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12305537.8A EP2665208A1 (en) 2012-05-14 2012-05-14 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
EP12305537.8 2012-05-14

Publications (2)

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TW202435200A TW202435200A (zh) 2024-09-01
TWI905561B true TWI905561B (zh) 2025-11-21

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TW112140741A TWI905561B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體
TW106122256A TWI618049B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置
TW110112090A TWI823073B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體
TW108114778A TWI725419B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置
TW114142685A TW202609756A (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體
TW102115828A TWI600005B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置
TW106146055A TWI634546B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置
TW107119510A TWI666627B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置

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TW110112090A TWI823073B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體
TW108114778A TWI725419B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置
TW114142685A TW202609756A (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置以及非暫時性電腦可讀取媒體
TW102115828A TWI600005B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置
TW106146055A TWI634546B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置
TW107119510A TWI666627B (zh) 2012-05-14 2013-05-03 高階保真立體音響訊號表象之壓縮方法和裝置以及解壓縮方法和裝置

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US (7) US9454971B2 (enExample)
EP (6) EP2665208A1 (enExample)
JP (7) JP6211069B2 (enExample)
KR (6) KR102121939B1 (enExample)
CN (10) CN104285390B (enExample)
AU (6) AU2013261933B2 (enExample)
BR (1) BR112014028439B1 (enExample)
TW (8) TWI905561B (enExample)
WO (1) WO2013171083A1 (enExample)

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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
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