KR930019062A - Listening space characteristic correction device - Google Patents

Listening space characteristic correction device Download PDF

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Publication number
KR930019062A
KR930019062A KR1019920003261A KR920003261A KR930019062A KR 930019062 A KR930019062 A KR 930019062A KR 1019920003261 A KR1019920003261 A KR 1019920003261A KR 920003261 A KR920003261 A KR 920003261A KR 930019062 A KR930019062 A KR 930019062A
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KR
South Korea
Prior art keywords
listening space
digital
characteristic data
listening
compensating
Prior art date
Application number
KR1019920003261A
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Korean (ko)
Other versions
KR970005607B1 (en
Inventor
이희수
Original Assignee
강진구
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019920003261A priority Critical patent/KR970005607B1/en
Priority to JP5010956A priority patent/JPH0686380A/en
Priority to CN93101452A priority patent/CN1031444C/en
Publication of KR930019062A publication Critical patent/KR930019062A/en
Application granted granted Critical
Publication of KR970005607B1 publication Critical patent/KR970005607B1/en

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Classifications

    • 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

Abstract

본 발명은 청취공간의 형태 및 크기에 다른 주파수 왜곡을 보정하기 위한 장치에 관한 것으로, 특히 청취공간의 각 형태에 따른 신호왜곡특성을 미리 측정하여 데이타베이스화하고 사용자가 각 공간에 대해서 왜곡을 보정할 수 있도록한 청취공간특성 보정장치에 관한 것으로 컴팩트 디스크 또는 디지탈 오디오테이프등 기록되어있는 음을 재생하여 파워앰프 및 스피커를 통하여 출력하는 오디오기기가 위치하는 청취공간의 특성에 따라 음의 왜곡을 보정하는 장치에 있어서, 청취공간의 특성데이타를 입력하는 스위치부, 청취공간의 특성에 따른 주파수특성데이타와 주파수특성을 보상하는 프로그램을 저장하는 데이타베이스, 스위치부의 입력에 따라 데이타베이스부의 해당 청취공간의 특성 데이타 및 프로그램을 판독하여 출력하는 제어부, 제어부로부터의 프로그램에 따라 오디오기기에서 출력된 신호를 제어부로부터의 특성데이타로 역보상하여 파워앰프로 출력하는 주파수 특성보정부를 포함하는 청취공간 특성 보정장치이다.The present invention relates to an apparatus for correcting frequency distortions different in shape and size of a listening space. In particular, the present invention relates to a database for measuring signal distortion characteristics of each type of listening space in advance, and to allow a user to correct distortion for each space. The present invention relates to a device for compensating for listening space characteristics, which is capable of reproducing recorded sound such as compact discs or digital audio tapes and correcting the distortion of sound according to the characteristics of the listening space in which an audio device that is output through a power amplifier and a speaker is located. An apparatus comprising: a switch unit for inputting characteristic data of a listening space, a database for storing frequency characteristic data according to characteristics of a listening space and a program for compensating frequency characteristics, and a characteristic of a corresponding listening space of a database portion according to an input of a switching unit Control unit for reading and outputting data and programs Depending on the program from the listening room characteristic correction apparatus including an inverse compensation on the signal output from the audio unit to the characteristic data from the controller and outputting the frequency characteristic as the power amplifier compensation unit.

Description

청취공간 특성 보정장치Listening space characteristic correction device

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

제2도는 본 발명에 따른 청취공간 특성 보정장치의 블럭도.2 is a block diagram of a listening space characteristic correction apparatus according to the present invention.

제4도는 본 발명에 따른 청취공간 특성 보정장치의 일실시예.4 is an embodiment of a listening space characteristic correction apparatus according to the present invention.

Claims (5)

컴팩트 디스크 또는 디지탈 오디오테이프등 기록되어 있는 음을 재생하여 파워앰프 및 스피커를 통하여 출력하는 오디오기기가 위치하는 청취공간의 특성에 따라 음의 왜곡을 보정하는 장치에 있어서, 청취공간의 특성데이타를 입력하는 스위치부, 청취공간의 특성에 따른 주파수특성 데이타와 주파수특성을 보상하는 프로그램을 저장하는 데이타베이스, 상기 스위치부의 입력에 따라 상기 데이타베이스의 해당 청취공간의 특성 데이타 및 프로그램을 판독하여 출력하는 제어부, 상기 제어부로부터의 프로그램에 따라 상기 오디어기기에서 출력된 신호를 상기 제어부로부터의 특성데이타로 역보상하여 상기 파워앰프로 출력하는 주파수특성보정부를 포함하는 것을 특징으로 하는 청취공간 특성 보정장치.A device for reproducing recorded sound, such as a compact disc or digital audio tape, and correcting the distortion of sound according to the characteristics of a listening space in which an audio device output through a power amplifier and a speaker is located. A switch for storing the frequency characteristic data according to the characteristics of the listening space and a program for compensating the frequency characteristics, and a control unit for reading and outputting the characteristic data and programs of the corresponding listening space of the database according to the input of the switching unit. And a frequency characteristic correction unit for compensating the signal output from the audio device according to a program from the controller to the power amplifier by performing a reverse compensation on the characteristic data from the controller. 제1항의 있어서, 상기 장치는 상기 스위치로부터 입력되는 청취공간의 특성데이타를 표시하기 위한 표시부를 더 포함하는 것을 특징으로하는 청취공간 특성 보정장치.The apparatus of claim 1, wherein the apparatus further comprises a display unit for displaying characteristic data of the listening space input from the switch. 제2항의 있어서, 상기 표시부는 현재의 상태와 선택상태를 표시하기 위한 액정표시기와 상기 액정표시기를 구동하기위한 액정표시가 구동장치를 포함하는 것을 특징으로 하는 청취공간 보정장치.The apparatus of claim 2, wherein the display unit includes a liquid crystal display for displaying a current state and a selected state, and a liquid crystal display for driving the liquid crystal display. 제1항의 있어서, 상기 주파수특성보정부는 상기 오디오기기로부터 재생된 아날로그신호를 디지탈신호로 변환시키기 위한 아날로그/디지탈변환기, 상기 변환된 디지탈신호를 청취공간의 특성에 따른 왜곡을 역으로 보상하는 디지탈 처리회로, 및 보정된 신호를 아날로그신호로 변환시키기 위한 디지탈/아날로그 변환기를 포함하는 것을 특징으로 하는 청취공간 보정장치.The digital signal processing apparatus of claim 1, wherein the frequency characteristic correction unit comprises: an analog / digital converter for converting an analog signal reproduced from the audio device into a digital signal, and a digital process for compensating distortion of the converted digital signal in accordance with characteristics of a listening space. And a digital / analog converter for converting the corrected signal into an analog signal. 제4항 있어서, 상기 디지탈 처리회로는 IIR 필터와 FIR필터중 어느하나를 사용하는 것을 특징으로 하는 청취공간 특성 보정장치.The apparatus of claim 4, wherein the digital processing circuit uses any one of an IIR filter and an FIR filter. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920003261A 1992-02-28 1992-02-28 An apparatus for adjusting hearing space KR970005607B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019920003261A KR970005607B1 (en) 1992-02-28 1992-02-28 An apparatus for adjusting hearing space
JP5010956A JPH0686380A (en) 1992-02-28 1993-01-26 Characteristic compensation device of listening space
CN93101452A CN1031444C (en) 1992-02-28 1993-02-11 Apparatus for adjusting of character of radio wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920003261A KR970005607B1 (en) 1992-02-28 1992-02-28 An apparatus for adjusting hearing space

Publications (2)

Publication Number Publication Date
KR930019062A true KR930019062A (en) 1993-09-22
KR970005607B1 KR970005607B1 (en) 1997-04-18

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Application Number Title Priority Date Filing Date
KR1019920003261A KR970005607B1 (en) 1992-02-28 1992-02-28 An apparatus for adjusting hearing space

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JP (1) JPH0686380A (en)
KR (1) KR970005607B1 (en)
CN (1) CN1031444C (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001086600A (en) * 1999-09-17 2001-03-30 Nec Home Electronics Ltd Surround system
JP4366040B2 (en) 2002-03-07 2009-11-18 インターナショナル・ビジネス・マシーンズ・コーポレーション Network service system, server and program
CN1255938C (en) 2002-12-10 2006-05-10 株式会社Ntt都科摩 Linear power amplifying method and linear power amplifier
KR20060022968A (en) 2004-09-08 2006-03-13 삼성전자주식회사 Sound reproducing apparatus and sound reproducing method
JP6084750B2 (en) 2013-03-14 2017-02-22 アップル インコーポレイテッド Indoor adaptive equalization using speakers and portable listening devices
KR101373077B1 (en) * 2013-09-17 2014-03-12 온시스텍 주식회사 Real time audio sound correction system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0667027B2 (en) * 1984-10-01 1994-08-24 ソニー株式会社 Automatic sound field correction device

Also Published As

Publication number Publication date
JPH0686380A (en) 1994-03-25
CN1031444C (en) 1996-03-27
KR970005607B1 (en) 1997-04-18
CN1076072A (en) 1993-09-08

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