Classifications

• • 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
• • 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
  • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
• • 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 
  • H04S1/00—Two-channel systems
  • H04S1/007—Two-channel systems in which the audio signals are in digital form
• • 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 
  • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
  • H04S7/30—Control circuits for electronic adaptation of the sound field
  • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
• • 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
  • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
• • 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)
• Multimedia (AREA)
• Computational Linguistics (AREA)
• Health & Medical Sciences (AREA)
• Audiology, Speech & Language Pathology (AREA)
• Human Computer Interaction (AREA)
• Mathematical Physics (AREA)
• Stereophonic System (AREA)
• Circuit For Audible Band Transducer (AREA)
• Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
• Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Applications Claiming Priority (4)

Publications (1)

Family

ID=52015947

Family Applications (1)

Country Status (18)

Families Citing this family (24)

Family Cites Families (24)

• 2014
  • 2014-12-08 EP EP14196765.3A patent/EP2925024A1/en not_active Withdrawn
• 2015
  • 2015-03-04 JP JP2016559271A patent/JP6239145B2/ja active Active
  • 2015-03-04 PL PL15709657T patent/PL3123747T3/pl unknown
  • 2015-03-04 AU AU2015238694A patent/AU2015238694A1/en not_active Abandoned
  • 2015-03-04 KR KR1020167029721A patent/KR101903873B1/ko active Active
  • 2015-03-04 WO PCT/EP2015/054514 patent/WO2015144409A1/en not_active Ceased
  • 2015-03-04 CN CN201580016080.2A patent/CN106465034B/zh active Active
  • 2015-03-04 SG SG11201607944QA patent/SG11201607944QA/en unknown
  • 2015-03-04 MY MYPI2016001727A patent/MY180501A/en unknown
  • 2015-03-04 CA CA2943460A patent/CA2943460C/en active Active
  • 2015-03-04 BR BR112016022078-1A patent/BR112016022078B1/pt active IP Right Grant
  • 2015-03-04 MX MX2016012317A patent/MX356924B/es active IP Right Grant
  • 2015-03-04 RU RU2016141784A patent/RU2666473C2/ru active
  • 2015-03-04 EP EP15709657.9A patent/EP3123747B1/en active Active
  • 2015-03-04 PT PT157096579T patent/PT3123747T/pt unknown
  • 2015-03-04 CN CN201811092027.2A patent/CN108924729B/zh active Active
  • 2015-03-04 ES ES15709657T patent/ES2773293T3/es active Active
  • 2015-03-23 TW TW104109248A patent/TWI528275B/zh active
  • 2015-03-25 AR ARP150100876A patent/AR099834A1/es active IP Right Grant
• 2016
  • 2016-09-23 US US15/274,623 patent/US10587977B2/en active Active
• 2018
  • 2018-06-22 AU AU2018204548A patent/AU2018204548B2/en active Active
• 2020
  • 2020-02-19 US US16/795,564 patent/US11632641B2/en active Active
• 2023
  • 2023-02-27 US US18/175,432 patent/US12010502B2/en active Active
• 2024
  • 2024-05-31 US US18/680,673 patent/US20250071496A1/en active Pending

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