SG11201600460UA - Apparatus and method for realizing a saoc downmix of 3d audio content - Google Patents

Apparatus and method for realizing a saoc downmix of 3d audio content

Info

Publication number
SG11201600460UA
SG11201600460UA SG11201600460UA SG11201600460UA SG11201600460UA SG 11201600460U A SG11201600460U A SG 11201600460UA SG 11201600460U A SG11201600460U A SG 11201600460UA SG 11201600460U A SG11201600460U A SG 11201600460UA SG 11201600460U A SG11201600460U A SG 11201600460UA
Authority
SG
Singapore
Prior art keywords
realizing
audio content
saoc downmix
saoc
downmix
Prior art date
Application number
SG11201600460UA
Other languages
English (en)
Inventor
Sascha Disch
Harald Fuchs
Oliver Hellmuth
Jürgen Herre
Adrian Murtaza
Falko Ridderbusch
Leon Terentiv
Jouni Paulus
Original Assignee
Fraunhofer Ges Forschung
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
Priority claimed from EP20130177378 external-priority patent/EP2830045A1/en
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of SG11201600460UA publication Critical patent/SG11201600460UA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/006Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/305Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13Aspects of volume control, not necessarily automatic, in stereophonic sound systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
SG11201600460UA 2013-07-22 2014-07-16 Apparatus and method for realizing a saoc downmix of 3d audio content SG11201600460UA (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP20130177378 EP2830045A1 (en) 2013-07-22 2013-07-22 Concept for audio encoding and decoding for audio channels and audio objects
EP13177371 2013-07-22
EP13177357 2013-07-22
EP13189281.2A EP2830048A1 (en) 2013-07-22 2013-10-18 Apparatus and method for realizing a SAOC downmix of 3D audio content
PCT/EP2014/065290 WO2015010999A1 (en) 2013-07-22 2014-07-16 Apparatus and method for realizing a saoc downmix of 3d audio content

Publications (1)

Publication Number Publication Date
SG11201600460UA true SG11201600460UA (en) 2016-02-26

Family

ID=49385153

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201600460UA SG11201600460UA (en) 2013-07-22 2014-07-16 Apparatus and method for realizing a saoc downmix of 3d audio content
SG11201600396QA SG11201600396QA (en) 2013-07-22 2014-07-17 Apparatus and method for enhanced spatial audio object coding

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201600396QA SG11201600396QA (en) 2013-07-22 2014-07-17 Apparatus and method for enhanced spatial audio object coding

Country Status (19)

Country Link
US (4) US9578435B2 (ru)
EP (4) EP2830050A1 (ru)
JP (3) JP6395827B2 (ru)
KR (2) KR101774796B1 (ru)
CN (3) CN112839296B (ru)
AU (2) AU2014295270B2 (ru)
BR (2) BR112016001244B1 (ru)
CA (2) CA2918529C (ru)
ES (2) ES2768431T3 (ru)
HK (1) HK1225505A1 (ru)
MX (2) MX355589B (ru)
MY (2) MY176990A (ru)
PL (2) PL3025333T3 (ru)
PT (1) PT3025333T (ru)
RU (2) RU2666239C2 (ru)
SG (2) SG11201600460UA (ru)
TW (2) TWI560701B (ru)
WO (2) WO2015010999A1 (ru)
ZA (1) ZA201600984B (ru)

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