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
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04S—STEREOPHONIC SYSTEMS 
  • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04S—STEREOPHONIC SYSTEMS 
  • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
  • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04S—STEREOPHONIC SYSTEMS 
  • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
• • 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
  • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
• • 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
  • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio 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
  • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Signal Processing (AREA)
• Health & Medical Sciences (AREA)
• Computational Linguistics (AREA)
• Mathematical Physics (AREA)
• Audiology, Speech & Language Pathology (AREA)
• Human Computer Interaction (AREA)
• Multimedia (AREA)
• Stereophonic System (AREA)
• Circuit For Audible Band Transducer (AREA)
• Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Applications Claiming Priority (5)

Publications (2)

Family

ID=48874136

Family Applications (1)

Country Status (17)

Families Citing this family (16)

Family Cites Families (19)

• 2013
  • 2013-10-18 EP EP20130189285 patent/EP2830336A3/en not_active Withdrawn
• 2014
  • 2014-07-14 PT PT14753020T patent/PT3025521T/pt unknown
  • 2014-07-14 JP JP2016528409A patent/JP6134867B2/ja active Active
  • 2014-07-14 TW TW103124175A patent/TWI541796B/zh active
  • 2014-07-14 ES ES14753020T patent/ES2734378T3/es active Active
  • 2014-07-14 AU AU2014295285A patent/AU2014295285B2/en active Active
  • 2014-07-14 KR KR1020167003937A patent/KR101795324B1/ko active Active
  • 2014-07-14 WO PCT/EP2014/065037 patent/WO2015010937A2/en active Application Filing
  • 2014-07-14 CA CA2918641A patent/CA2918641C/en active Active
  • 2014-07-14 CN CN201910207867.7A patent/CN110234060B/zh active Active
  • 2014-07-14 CN CN201480051924.2A patent/CN105580391B/zh active Active
  • 2014-07-14 EP EP14753020.8A patent/EP3025521B1/en active Active
  • 2014-07-14 RU RU2016105520A patent/RU2659497C2/ru active
  • 2014-07-14 SG SG11201600459VA patent/SG11201600459VA/en unknown
  • 2014-07-14 MX MX2016000916A patent/MX359379B/es active IP Right Grant
  • 2014-07-14 PL PL14753020T patent/PL3025521T3/pl unknown
  • 2014-07-14 BR BR112016001246-1A patent/BR112016001246B1/pt active IP Right Grant
  • 2014-07-21 AR ARP140102689A patent/AR096987A1/es active IP Right Grant
• 2016
  • 2016-01-22 US US15/004,659 patent/US10085104B2/en active Active
• 2017
  • 2017-12-27 US US15/854,967 patent/US10341801B2/en active Active
• 2019
  • 2019-05-24 US US16/422,405 patent/US11184728B2/en active Active
• 2021
  • 2021-11-11 US US17/524,663 patent/US11743668B2/en active Active

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