APPARATUS AND METHOD FOR ADAPTIVELY ADJUSTING THE AMPLITUDE OF PHONE RINGING SOUNDS UNDER ACOUSTIC NOISE ENVIRONMENTS

APPARATUS AND METHOD FOR ADAPTIVELY ADJUSTING THE AMPLITUDE OF PHONE RINGING SOUNDS UNDER ACOUSTIC NOISE ENVIRONMENTS

A phone call bell volume controlling device adaptable for a user and ambient noise and a method thereof are provided to control the sound volume of the call bell. A neighboring noise measurement unit(101) measures the size of the ambient noise for the delay time. An amplification coefficient calcula...

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Hauptverfasser: KIM, HOI RIN, SUH, YOUNG JOO
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
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SUH, YOUNG JOO
description A phone call bell volume controlling device adaptable for a user and ambient noise and a method thereof are provided to control the sound volume of the call bell. A neighboring noise measurement unit(101) measures the size of the ambient noise for the delay time. An amplification coefficient calculation unit(102) uses the size of the ambient noise by using a gain factor about the ring tone signal adaptable for the ambient noise. A ing-back tone generator(103) generates bell sound adaptable for the ambient noise and uses the ring tone signal amplification coefficient is generated.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
title APPARATUS AND METHOD FOR ADAPTIVELY ADJUSTING THE AMPLITUDE OF PHONE RINGING SOUNDS UNDER ACOUSTIC NOISE ENVIRONMENTS
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