KR920020873A - Training method of voice communication device and acoustic echo canceller - Google Patents

Training method of voice communication device and acoustic echo canceller Download PDF

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Publication number
KR920020873A
KR920020873A KR1019920006834A KR920006834A KR920020873A KR 920020873 A KR920020873 A KR 920020873A KR 1019920006834 A KR1019920006834 A KR 1019920006834A KR 920006834 A KR920006834 A KR 920006834A KR 920020873 A KR920020873 A KR 920020873A
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KR
South Korea
Prior art keywords
sound
acoustic echo
training
speaker
acoustic
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KR1019920006834A
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Korean (ko)
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KR0138642B1 (en
Inventor
유지 우메모또
고이찌 이또
고끼 오쓰까
Original Assignee
아오이 죠이찌
가부시끼가이샤 도시바
오오시마 고오다로
도시바 에이.브이.이 가부시끼가이샤
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Publication of KR920020873A publication Critical patent/KR920020873A/en
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Publication of KR0138642B1 publication Critical patent/KR0138642B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile

Abstract

내용 없음.No content.

Description

음성통신장치 및 음향에코 켄슬러의 트레이닝 방법Voice Communication System and Acoustic Eco Kensler Training Method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 일실시예에 의한 무선전화 장치의 구성을 나타낸 회로블록도.1 is a circuit block diagram showing the configuration of a radiotelephone apparatus according to an embodiment of the present invention.

제2도는 제1도에 나타낸 장치의 요부구성을 나타낸 회로블록도.2 is a circuit block diagram showing the main components of the apparatus shown in FIG.

제3도는 제1도에 나타낸 장치중의 제어회로의 수신대기제어수순 및 제어내용을 나타낸 플로우챠트.FIG. 3 is a flowchart showing the reception standby control procedure and control contents of the control circuit in the apparatus shown in FIG.

Claims (4)

핸드세트와 별도로 수화음성신호를 확성 출력하는 스피커 및 송화음을 집음하여 송화신호를 출력하는 마이크를 갖고 이들 스피커 및 마스크를 사용하여 핸드프리통화를 행하는 수단을 구비한 음성통신장치에 있어서, 상기 스피커에서 출력된 음이 상기 마이크에 입력됨으로 인해서 발생되는 음향에코를 캔슬하기 위한 음향에코캔슬러와, 상기 스피커에서 출력되는 음에 준하여 상기 음향에코캔슬러의 음향특성을 트레이닝하기 위한 트레이닝수단을 구비한 것을 특징으로 하는 음성통신장치.A voice communication apparatus comprising a speaker for amplifying and outputting a spoken voice signal separately from a handset and a microphone for collecting a call tone and outputting a call signal, and having a means for making a hand-free call using these speakers and a mask, wherein the speaker And an acoustic echo canceller for canceling acoustic echo generated when the sound output from the microphone is input to the microphone, and training means for training acoustic characteristics of the acoustic echo canceller based on the sound output from the speaker. Voice communication device, characterized in that. 제1항에 있어서, 상기 트레이닝수단은 핸드세트에 의한 통화모드가 선택되어 있는지 또는 핸드프리통화모드가 선택되어 있는지를 판정하여 핸드세트에 의한 통화모드가 선택되어 있는 경우에는 이 통화 모드를 적어도 트레이닝기간중에만 핸드프리통화모드로 변경하여 보지음을 스피커에서 출력시켜 이 보지음에 준하여 음향 에코캔슬러의 음향특성을 트레이닝하는 것을 특징으로 하는 음성통신장치.2. The training apparatus of claim 1, wherein the training means determines whether a call mode by a handset is selected or a hand-free call mode is selected, and if the call mode by a handset is selected, at least training the call mode. A voice communication device, characterized in that, during a period of time, a hand free communication mode is changed to output a hearing sound from a speaker, and the acoustic characteristics of an acoustic echo canceller are trained according to the hearing sound. 제1항 또는 제 2항에 있어서, 상기 트레이닝수단은 통화로 접속중에 그 동작상태를 보지하기 위한 보지음을 트레이닝에 필요한 주파수성분을 포함한 음에 의해서 구성하고 이 음을 스피커에서 출력시켜 음향 에코캔슬러의 음향특성을 트레이닝하는 것을 특징으로 하는 음성통신장치.The sound recording apparatus according to claim 1 or 2, wherein the training means comprises a sound recording for holding the operation state during the call connection by a sound including a frequency component necessary for training, and outputs the sound from the speaker to cancel the acoustic echo. A voice communication device, characterized in that for training the acoustic characteristics of the voice. 스피커에서 출력된 음이 마이크로 입력됨으로 인해서 발생되는 음향에코를 캔슬하는 음향에코캔슬러의 트레이닝방법에 있어서, 소정의 음을 상기 스피커에서 출력시켜 이 보지음에 의해서 발생되는 음향에코에 준하여 상기 음향에코캔슬러의 음향특성을 트레이닝하도록 한 것을 특징으로 하는 음향에코캔슬러의 트레이닝방법.In the acoustic echo canceller training method for canceling the acoustic echo generated by the sound input from the speaker to the microphone, the acoustic echo is output in accordance with the acoustic echo generated by the sound by outputting a predetermined sound from the speaker. A training method for an acoustic echo canceller, characterized in that the acoustic characteristics of the canceller are trained. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920006834A 1991-04-30 1992-04-23 Echo canceller KR0138642B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-99128 1991-04-30
JP09912891A JP3253646B2 (en) 1991-04-30 1991-04-30 Voice communication device and acoustic echo canceller training method

Publications (2)

Publication Number Publication Date
KR920020873A true KR920020873A (en) 1992-11-21
KR0138642B1 KR0138642B1 (en) 1998-07-01

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KR1019920006834A KR0138642B1 (en) 1991-04-30 1992-04-23 Echo canceller

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JP (1) JP3253646B2 (en)
KR (1) KR0138642B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1558563B (en) * 1994-05-07 2011-04-20 株式会社Ntt都科摩 Echo eliminator and use method thereof
JP2002353863A (en) * 2001-05-30 2002-12-06 Toyo Commun Equip Co Ltd Echo canceller
JP2005269546A (en) * 2004-03-22 2005-09-29 Pioneer Electronic Corp Device, method and program for echo cancellation
JP4725422B2 (en) * 2006-06-02 2011-07-13 コニカミノルタホールディングス株式会社 Echo cancellation circuit, acoustic device, network camera, and echo cancellation method

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KR0138642B1 (en) 1998-07-01
JP3253646B2 (en) 2002-02-04
JPH04329031A (en) 1992-11-17

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