KR960012887A - Automatic volume control of the telephone - Google Patents

Automatic volume control of the telephone Download PDF

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Publication number
KR960012887A
KR960012887A KR1019940024556A KR19940024556A KR960012887A KR 960012887 A KR960012887 A KR 960012887A KR 1019940024556 A KR1019940024556 A KR 1019940024556A KR 19940024556 A KR19940024556 A KR 19940024556A KR 960012887 A KR960012887 A KR 960012887A
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KR
South Korea
Prior art keywords
automatic volume
volume control
telephone
power
automatic
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Application number
KR1019940024556A
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Korean (ko)
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KR0120594B1 (en
Inventor
조위덕
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김정덕
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Publication date
Application filed by 김정덕 filed Critical 김정덕
Priority to KR1019940024556A priority Critical patent/KR0120594B1/en
Publication of KR960012887A publication Critical patent/KR960012887A/en
Application granted granted Critical
Publication of KR0120594B1 publication Critical patent/KR0120594B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Abstract

본 발명은 주변환경 잡음에 따라 전화기의 수화기에서 출력되는 음성신호의 크기를 자동으로 제어하는 전화기의 자동음량 제어장치에 관한 것이다. 이를위한 본 발명은, 음성신호 처리수단과, 마이크로폰이 내장된 송화기, 및 수화기를 구비하며, 수동음량 제어부에 의해 설정된 음성신호의 크기를 주변환경 잡음의 크기에 따라 자동으로 가변시킬 수 있는 전화기의 자동음량 제어장치게 있어서, 상기 마이크로폰을 통해 입력되는 주변 잡음신호의 전력을 소정시간동안 측정하는 주변잡음신호 전력측정수단과, 상기 수동음량제어부에 의해 설정된 음성신호의 전력을 소정시간동안 측정하는 수동음량신호 전력측정수단과, 상기 측정된 잡음신호 전력 및 음성신호 전력을 각각 입력받아 이들 전력을 소정시간동안 상호 비교계산하여 그 계산된 값에 따라 상기 수동음량 제어부에 의해 조정된 음량이 자동으로 조정되도록 하는 자동음량 조정변수를 제공하는 자동음량 조정수단과, 상기 각 전력측정수단과 자동음량 조정수단에 각각 접속되어 상기 각 수단의 측정동작 및 계산동작을 구동제어하는 구동펄스를 제공하는 구동시간 제어수단, 및 상기 구동시간 제어수단에 접속되어 이 제어수단 동작의 기준시점이 되는 신호를 제공하는 외부제어기를 포함하고있어, 전화기 사용자에게 편리성을 제공할 수 있다.The present invention relates to an automatic volume control apparatus for a telephone for automatically controlling the magnitude of a voice signal output from a telephone receiver in accordance with ambient noise. The present invention for this purpose, the voice signal processing means, a microphone with a built-in handset, and a handset, and the phone can automatically vary the size of the voice signal set by the manual volume control unit according to the amount of ambient noise In the automatic volume control device, the peripheral noise signal power measuring means for measuring the power of the ambient noise signal input through the microphone for a predetermined time, and the manual measuring the power of the voice signal set by the manual volume control unit for a predetermined time The volume signal power measuring means, the measured noise signal power and the audio signal power are input respectively, and these powers are compared and calculated for a predetermined time, and the volume adjusted by the manual volume control unit is automatically adjusted according to the calculated value. Automatic volume adjusting means for providing an automatic volume adjusting variable, and each power measurement number And drive time control means connected to the automatic volume adjusting means and providing drive pulses for driving control of the measurement operation and the calculation operation of the respective means, and the drive time control means to be reference points of the operation of the control means. It includes an external controller that provides a signal, providing convenience to the telephone user.

Description

전화기의 자동음량 제어장치Automatic volume control of the telephone

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명에 따른 전화기의 자동음량 제어장치의 블록구성도2 is a block diagram of an automatic volume control device for a telephone according to the present invention.

제3도는 본 발명에 따른 전화기의 자동음량 제어장치의 동작 신호파형을 도시한 타이밍도.3 is a timing diagram showing an operation signal waveform of the automatic volume control apparatus of the telephone according to the present invention.

Claims (10)

음성신호 처리수단과, 마이크로폰이 내장된 송화기, 및 수화기를 구비하며, 수동음량 제어부에 의해 설정된 음성신호의 크기를 주변환경 잡음의 크기에 따라 자동으로 가변시킬 수 있는 전화기의 자동음량 제어장치에 있어서, 상기 마이크로폰을 통해 입력되는 주변 잡음신호의 전력을 소정시간동안 측정하는 주변잡음신호 전력 측정수단과, 상기 수동음량 제어부에 의해 설정된 음성신호의 전력을 소정시간동안 측정하느 수동음량신호 전력측정수단과, 상기 측정된 잡음신호 전력 및 음성신호 전력을 각각 입력받아 이들 전력을 소정시간동안 상호비교계산하여 그 계산된 값에 따라 상기 수동음량 제어부에 의해 조정된 음량이 자동으로 조정되도록 하는 자동음량 조정변수를 제공하는 자동음량 조정수단과, 상기 각 전력측정수단과 자동음량 조정수단에 각각 접속되어 상기 각 수단의 측정동작 및 계산동작을 구동제어하는 구동펄스를 제공하는 구동시간 제어수단, 및 상기 구동시간 제어수단에 접속되어 이 제어수단 동작의 기준시점이 되는 신호를 제공하는 외부제어기를 포함하여된 것을 특징으로 하는 전화기의 자동음량 제어장치In the automatic volume control device of the telephone having a voice signal processing means, a handset with a built-in microphone, and a handset, and capable of automatically varying the size of the voice signal set by the manual volume control unit according to the amount of ambient noise. And peripheral noise signal power measuring means for measuring the power of the ambient noise signal input through the microphone for a predetermined time, passive volume signal power measuring means for measuring the power of the voice signal set by the manual volume control unit for a predetermined time; And an automatic volume adjustment variable which receives the measured noise signal power and the audio signal power, respectively, and compares these powers for a predetermined time and automatically adjusts the volume adjusted by the manual volume control unit according to the calculated value. Automatic volume control means for providing, and each of the power measuring means and the automatic volume adjustment number Drive time control means connected to each stage to provide drive pulses for driving control of the measurement operation and the calculation operation of the respective means, and a drive time control means connected to the drive time control means to provide a signal as a reference point of the operation of the control means. Automatic volume control device of the telephone, characterized in that it comprises an external controller 제1항에있어서, 상기 자동음량 조정수단에 접속되어 상기 자동음량 조정변수의 크기를 제한하는 자동음량 제한수단을 더 포함하여 된것을 특징으로 하는 전화기의 자동음량 제어장치.The apparatus of claim 1, further comprising automatic volume limiting means connected to said automatic volume adjusting means to limit the size of said automatic volume adjusting variable. 제1항에있어서, 상기 구동시간 제어수단에 접속되어 이 구동시간 제어수단의이 상기 각 수단들을 동기적으로 구동제어하도록 기준클록을 제공하는 클록발생수단을 더 포함하여 된 것을 특징으로 하는 전화기의 자동음량 제어장치2. The automatic telephone apparatus as set forth in claim 1, further comprising a clock generating means connected to said driving time control means and providing a reference clock so that said driving time control means synchronously controls driving said respective means. Volume control 제1항에있어서, 상기 자동음량 조정수단에서 출력되는 자동음량 조정변수와 상기 수동음량 제어부에 의해 조정된 음성신호를 믹싱하여 그 믹싱된 신호를 상기 수화기로 출력하는 믹서를 구비하여 된 것을 특징으로 하는 전화기의 자동음량 제어장치.The apparatus of claim 1, further comprising a mixer for mixing the automatic volume adjustment variable output from the automatic volume adjusting means and the audio signal adjusted by the manual volume control unit and outputting the mixed signal to the receiver. Automatic volume control of the telephone. 제1항에있어서, 상기 구동시간 제어수단에 접속되어 구동시간 제어수단의 구동제어 펄스에 따라 상기수동음량 제어부에서 출력되는 음성신호가 상기 수화기로 출력되는 것을 차단하는 스위치 절환수단을 구비하여된 것을 특징으로 하는 전화기의 자동음량 제어장치.2. The apparatus of claim 1, further comprising switch switching means connected to the driving time control means to block the audio signal output from the manual volume control part from being output to the receiver according to a driving control pulse of the driving time control means. Automatic volume control device of the telephone. 제1항에있어서, 상기 구동시간 제어수단은 타이머 및 카운터를 구비하여 된 것을 특징으로하는 전화기의 자동음량 제어장치.2. An automatic volume control apparatus for a telephone according to claim 1, wherein said driving time control means comprises a timer and a counter. 제1항에있어서, 상기 자동음량 조정수단은 비교기 및 제한기를 구비하여 된 것을 특징으로 하는 전화기의 자동음량 제어장치.2. An automatic volume control apparatus for a telephone according to claim 1, wherein said automatic volume adjusting means comprises a comparator and a limiter. 제1항에있어서, 상기 각 전력측정수단은 적분기를 구비하여 된 것을 특징으로하는 전화기의 자동음량 제어장치.2. An automatic volume control apparatus for a telephone according to claim 1, wherein each power measuring means has an integrator. 제1항 또는 제7항에 있어서, 상기 자동음량 조정변수를 얻도록 상기 자동음량 조정수단은, 상기 잡음신호의 전력을 음성신호의 전력으로 제산연산하고, 그 결과에 1을 가산한뒤, 그 결과를 제곱근하는 연산수단을 구비하여 된 것을 특징으로 하는 전화기의 자동음량 제어장치.The method according to claim 1 or 7, wherein the automatic volume adjusting means divides the power of the noise signal by the power of the audio signal to obtain the automatic volume adjustment variable, and adds 1 to the result, An automatic volume control device for a telephone comprising a calculation means for square root of the result. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940024556A 1994-09-28 1994-09-28 Auto-sound control device of phone KR0120594B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940024556A KR0120594B1 (en) 1994-09-28 1994-09-28 Auto-sound control device of phone

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Application Number Priority Date Filing Date Title
KR1019940024556A KR0120594B1 (en) 1994-09-28 1994-09-28 Auto-sound control device of phone

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KR960012887A true KR960012887A (en) 1996-04-20
KR0120594B1 KR0120594B1 (en) 1997-10-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100640459B1 (en) * 1998-06-20 2006-12-22 삼성전자주식회사 Sign Language Volume Control Device and Method
KR100710065B1 (en) * 2006-05-11 2007-04-23 주식회사 팬택 Apparatus and method for improving sound quality using audio automatic gain control in mobile device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100678194B1 (en) * 2002-10-26 2007-02-01 삼성전자주식회사 Method and apparatus for controlling the gain of rx voice automatically

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100640459B1 (en) * 1998-06-20 2006-12-22 삼성전자주식회사 Sign Language Volume Control Device and Method
KR100710065B1 (en) * 2006-05-11 2007-04-23 주식회사 팬택 Apparatus and method for improving sound quality using audio automatic gain control in mobile device

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KR0120594B1 (en) 1997-10-22

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