Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
  • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
  • H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G7/00—Volume compression or expansion in amplifiers
  • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
• • 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
  • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
  • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
  • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
  • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
  • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
  • H04N5/455—Demodulation-circuits
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
  • H04N5/52—Automatic gain control
• • 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

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Computational Linguistics (AREA)
• Quality & Reliability (AREA)
• Health & Medical Sciences (AREA)
• Audiology, Speech & Language Pathology (AREA)
• Human Computer Interaction (AREA)
• Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Networks Using Active Elements (AREA)
• Stereo-Broadcasting Methods (AREA)
• Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
• Television Receiver Circuits (AREA)
• Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
• Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
• Stereophonic System (AREA)
• Control Of Amplification And Gain Control (AREA)
• Circuits Of Receivers In General (AREA)
• Storage Device Security (AREA)
• Electronic Switches (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=25468959

Family Applications (1)

Country Status (11)

Families Citing this family (17)

Family Cites Families (17)

• 1992
  • 1992-08-28 US US07/936,682 patent/US5377272A/en not_active Ceased
• 1993
  • 1993-07-08 CA CA002100154A patent/CA2100154C/en not_active Expired - Fee Related
  • 1993-07-13 MY MYPI93001361A patent/MY109281A/en unknown
  • 1993-08-19 DE DE69330108T patent/DE69330108T2/de not_active Expired - Lifetime
  • 1993-08-19 EP EP93113245A patent/EP0584718B1/de not_active Expired - Lifetime
  • 1993-08-19 SG SG1996002028A patent/SG55013A1/en unknown
  • 1993-08-19 ES ES00120209T patent/ES2204422T3/es not_active Expired - Lifetime
  • 1993-08-19 EP EP00120209A patent/EP1083656B1/de not_active Expired - Lifetime
  • 1993-08-19 DE DE69333257T patent/DE69333257T2/de not_active Expired - Lifetime
  • 1993-08-26 KR KR1019930016661A patent/KR100310356B1/ko not_active Expired - Fee Related
  • 1993-08-27 MX MX9305215A patent/MX9305215A/es not_active IP Right Cessation
  • 1993-08-27 CN CN93116903A patent/CN1043944C/zh not_active Expired - Fee Related
  • 1993-08-27 JP JP05247607A patent/JP3138975B2/ja not_active Expired - Fee Related
• 2005
  • 2005-05-05 US US11/123,250 patent/USRE40960E1/en not_active Expired - Lifetime

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