JP6490641B2 - ラウドネスに基づくオーディ信号補償 - Google Patents

ラウドネスに基づくオーディ信号補償 Download PDF

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Publication number
JP6490641B2
JP6490641B2 JP2016177112A JP2016177112A JP6490641B2 JP 6490641 B2 JP6490641 B2 JP 6490641B2 JP 2016177112 A JP2016177112 A JP 2016177112A JP 2016177112 A JP2016177112 A JP 2016177112A JP 6490641 B2 JP6490641 B2 JP 6490641B2
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Prior art keywords
loudness
level
filter
audio
playback
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Japanese (ja)
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JP2017055406A (ja
JP2017055406A5 (cg-RX-API-DMAC7.html
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ユリ ヨウ，
ユリ ヨウ，
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Guoguang Electric Co Ltd
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Guoguang Electric Co Ltd
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    • 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
    • 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
    • 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)
JP2016177112A 2015-09-13 2016-09-09 ラウドネスに基づくオーディ信号補償 Active JP6490641B2 (ja)

Applications Claiming Priority (2)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2019034661A Division JP6806825B2 (ja) 2015-09-13 2019-02-27 ラウドネスに基づくオーディオ信号補償

Publications (3)

Publication Number Publication Date
JP2017055406A JP2017055406A (ja) 2017-03-16
JP2017055406A5 JP2017055406A5 (cg-RX-API-DMAC7.html) 2018-12-13
JP6490641B2 true JP6490641B2 (ja) 2019-03-27

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JP2016177112A Active JP6490641B2 (ja) 2015-09-13 2016-09-09 ラウドネスに基づくオーディ信号補償
JP2019034661A Active JP6806825B2 (ja) 2015-09-13 2019-02-27 ラウドネスに基づくオーディオ信号補償

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JP2019034661A Active JP6806825B2 (ja) 2015-09-13 2019-02-27 ラウドネスに基づくオーディオ信号補償

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US (4) US9590580B1 (cg-RX-API-DMAC7.html)
EP (1) EP3148075B1 (cg-RX-API-DMAC7.html)
JP (2) JP6490641B2 (cg-RX-API-DMAC7.html)
CN (2) CN108337606B (cg-RX-API-DMAC7.html)

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US20180248531A1 (en) 2018-08-30
US10734962B2 (en) 2020-08-04
CN108337606B (zh) 2020-11-03
EP3148075A3 (en) 2017-06-28
US20170133992A1 (en) 2017-05-11
US9590580B1 (en) 2017-03-07
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US20170077887A1 (en) 2017-03-16
US9985595B2 (en) 2018-05-29
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