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
• • 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
• • 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
  • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
• • 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
  • H04S3/008—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
• • 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)
• Quality & Reliability (AREA)
• Compression, Expansion, Code Conversion, And Decoders (AREA)
• Stereophonic System (AREA)
• Compression Or Coding Systems Of Tv Signals (AREA)
• Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
• Stereo-Broadcasting Methods (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

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Family Applications (1)

Country Status (8)

Families Citing this family (6)

Family Cites Families (9)

• 2017
  • 2017-07-25 CN CN201710614326.7A patent/CN109300480B/zh active Active
• 2018
  • 2018-07-25 EP EP23164063.2A patent/EP4258697B1/en active Active
  • 2018-07-25 WO PCT/CN2018/096973 patent/WO2019020045A1/zh not_active Ceased
  • 2018-07-25 EP EP25183206.9A patent/EP4642054A3/en active Pending
  • 2018-07-25 ES ES18839134T patent/ES2945723T3/es active Active
  • 2018-07-25 BR BR112020001633-0A patent/BR112020001633A2/pt unknown
  • 2018-07-25 PL PL23164063.2T patent/PL4258697T3/pl unknown
  • 2018-07-25 EP EP18839134.6A patent/EP3648101B1/en active Active
  • 2018-07-25 KR KR1020207004835A patent/KR102288111B1/ko active Active
• 2020
  • 2020-01-24 US US16/751,954 patent/US11238875B2/en active Active
• 2021
  • 2021-12-17 US US17/555,083 patent/US11741974B2/en active Active
• 2023
  • 2023-07-12 US US18/350,969 patent/US12361953B2/en active Active
• 2025
  • 2025-06-10 US US19/233,629 patent/US20250349302A1/en active Pending

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