KR101771533B1 - 오디오 신호를 처리하는 방법, 신호 처리 유닛, 바이너럴(binaural) 렌더러, 오디오 인코더와 오디오 디코더 - Google Patents

오디오 신호를 처리하는 방법, 신호 처리 유닛, 바이너럴(binaural) 렌더러, 오디오 인코더와 오디오 디코더 Download PDF

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KR101771533B1
KR101771533B1 KR1020167003941A KR20167003941A KR101771533B1 KR 101771533 B1 KR101771533 B1 KR 101771533B1 KR 1020167003941 A KR1020167003941 A KR 1020167003941A KR 20167003941 A KR20167003941 A KR 20167003941A KR 101771533 B1 KR101771533 B1 KR 101771533B1
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signal
audio
audio signal
reverberation
correlation
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KR20160046800A (ko
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시모네 퓌그
얀 프로그스티어스
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프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
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    • 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
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G10K15/12—Arrangements for producing a reverberation or echo sound using electronic time-delay networks
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
KR1020167003941A 2013-07-22 2014-07-18 오디오 신호를 처리하는 방법, 신호 처리 유닛, 바이너럴(binaural) 렌더러, 오디오 인코더와 오디오 디코더 Active KR101771533B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177361 2013-07-22
EP13177361.6 2013-07-22
EP13189255.6 2013-10-18
EP20130189255 EP2840811A1 (en) 2013-07-22 2013-10-18 Method for processing an audio signal; signal processing unit, binaural renderer, audio encoder and audio decoder
PCT/EP2014/065534 WO2015011055A1 (en) 2013-07-22 2014-07-18 Method for processing an audio signal; signal processing unit, binaural renderer, audio encoder and audio decoder

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KR20160046800A KR20160046800A (ko) 2016-04-29
KR101771533B1 true KR101771533B1 (ko) 2017-08-25

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US (6) US9955282B2 (enExample)
EP (4) EP2840811A1 (enExample)
JP (5) JP6374502B2 (enExample)
KR (1) KR101771533B1 (enExample)
CN (1) CN105519139B (enExample)
AR (1) AR097002A1 (enExample)
AU (1) AU2014295165B2 (enExample)
BR (1) BR112016001136B1 (enExample)
CA (1) CA2918279C (enExample)
ES (2) ES2968380T3 (enExample)
MX (2) MX2016000699A (enExample)
PL (2) PL3606102T3 (enExample)
PT (1) PT3025520T (enExample)
RU (1) RU2642376C2 (enExample)
SG (1) SG11201600370UA (enExample)
TW (1) TWI555011B (enExample)
WO (1) WO2015011055A1 (enExample)
ZA (1) ZA201601079B (enExample)

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