BRPI0914055A2 - renderização binaural de um sinal de áudio multi-canal - Google Patents

renderização binaural de um sinal de áudio multi-canal

Info

Publication number
BRPI0914055A2
BRPI0914055A2 BRPI0914055A BRPI0914055A BRPI0914055A2 BR PI0914055 A2 BRPI0914055 A2 BR PI0914055A2 BR PI0914055 A BRPI0914055 A BR PI0914055A BR PI0914055 A BRPI0914055 A BR PI0914055A BR PI0914055 A2 BRPI0914055 A2 BR PI0914055A2
Authority
BR
Brazil
Prior art keywords
audio signal
channel audio
multi channel
binaural rendering
binaural
Prior art date
Application number
BRPI0914055A
Other languages
English (en)
Inventor
Breebaart Jeroen
Engdegard Jonas
Falch Cornelia
Hellmuth Oliver
Hilpert Johannes
Koppens Jeroen
Mundt Harald
Plogsties Jan
Terentiev Leonid
Villemoes Lars Falck
Original Assignee
Dolby Sweden Ab
Fraunhofer Ges Forschung
Konink Philips Eletronics N V
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Sweden Ab, Fraunhofer Ges Forschung, Konink Philips Eletronics N V filed Critical Dolby Sweden Ab
Publication of BRPI0914055A2 publication Critical patent/BRPI0914055A2/pt
Publication of BRPI0914055B1 publication Critical patent/BRPI0914055B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004—For headphones
    • 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
    • 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
    • H04S1/005—For headphones
    • 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
    • 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 
    • 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]
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
BRPI0914055-7A 2008-10-07 2009-09-25 renderização binaural de um sinal de áudio multi-canal BRPI0914055B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10330308P 2008-10-07 2008-10-07
US61/103,303 2008-10-07
EP09006598A EP2175670A1 (en) 2008-10-07 2009-05-15 Binaural rendering of a multi-channel audio signal
EP09006598.8 2009-05-15
PCT/EP2009/006955 WO2010040456A1 (en) 2008-10-07 2009-09-25 Binaural rendering of a multi-channel audio signal

Publications (2)

Publication Number Publication Date
BRPI0914055A2 true BRPI0914055A2 (pt) 2015-11-03
BRPI0914055B1 BRPI0914055B1 (pt) 2021-02-02

Family

ID=41165167

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0914055-7A BRPI0914055B1 (pt) 2008-10-07 2009-09-25 renderização binaural de um sinal de áudio multi-canal

Country Status (16)

Country Link
US (1) US8325929B2 (pt)
EP (2) EP2175670A1 (pt)
JP (1) JP5255702B2 (pt)
KR (1) KR101264515B1 (pt)
CN (1) CN102187691B (pt)
AU (1) AU2009301467B2 (pt)
BR (1) BRPI0914055B1 (pt)
CA (1) CA2739651C (pt)
ES (1) ES2532152T3 (pt)
HK (1) HK1159393A1 (pt)
MX (1) MX2011003742A (pt)
MY (1) MY152056A (pt)
PL (1) PL2335428T3 (pt)
RU (1) RU2512124C2 (pt)
TW (1) TWI424756B (pt)
WO (1) WO2010040456A1 (pt)

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EP2335428A1 (en) 2011-06-22
MY152056A (en) 2014-08-15
JP2012505575A (ja) 2012-03-01
KR101264515B1 (ko) 2013-05-14
JP5255702B2 (ja) 2013-08-07
WO2010040456A1 (en) 2010-04-15
EP2335428B1 (en) 2015-01-14
AU2009301467B2 (en) 2013-08-01
MX2011003742A (es) 2011-06-09
US20110264456A1 (en) 2011-10-27
US8325929B2 (en) 2012-12-04
RU2512124C2 (ru) 2014-04-10
BRPI0914055B1 (pt) 2021-02-02
AU2009301467A1 (en) 2010-04-15
CA2739651C (en) 2015-03-24
EP2175670A1 (en) 2010-04-14
ES2532152T3 (es) 2015-03-24
KR20110082553A (ko) 2011-07-19
CA2739651A1 (en) 2010-04-25
HK1159393A1 (en) 2012-07-27
PL2335428T3 (pl) 2015-08-31
CN102187691A (zh) 2011-09-14
TW201036464A (en) 2010-10-01
RU2011117698A (ru) 2012-11-10
CN102187691B (zh) 2014-04-30

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