CN108337606B - 用于基于响度的音频信号补偿的系统、方法和存储介质 - Google Patents

用于基于响度的音频信号补偿的系统、方法和存储介质 Download PDF

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CN108337606B
CN108337606B CN201810265314.2A CN201810265314A CN108337606B CN 108337606 B CN108337606 B CN 108337606B CN 201810265314 A CN201810265314 A CN 201810265314A CN 108337606 B CN108337606 B CN 108337606B
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loudness
audio
loudness level
filter
signal
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CN108337606A (zh
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游余立
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Guoguang Electric Co Ltd
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Guoguang Electric Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/008—Control by a pilot signal
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
CN201810265314.2A 2015-09-13 2016-06-07 用于基于响度的音频信号补偿的系统、方法和存储介质 Active CN108337606B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/852,576 2015-09-13
US14/852,576 US9590580B1 (en) 2015-09-13 2015-09-13 Loudness-based audio-signal compensation
CN201610398579.0A CN106535039B (zh) 2015-09-13 2016-06-07 基于响度的音频信号补偿

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CN108337606A CN108337606A (zh) 2018-07-27
CN108337606B true CN108337606B (zh) 2020-11-03

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EP (1) EP3148075B1 (cg-RX-API-DMAC7.html)
JP (2) JP6490641B2 (cg-RX-API-DMAC7.html)
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