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KR930003528A - Frequency Characteristic Correction Device for Reproducing Audio Signal According to Listening Space Condition - Google Patents

Frequency Characteristic Correction Device for Reproducing Audio Signal According to Listening Space Condition Download PDF

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Publication number
KR930003528A
KR930003528A KR1019910012633A KR910012633A KR930003528A KR 930003528 A KR930003528 A KR 930003528A KR 1019910012633 A KR1019910012633 A KR 1019910012633A KR 910012633 A KR910012633 A KR 910012633A KR 930003528 A KR930003528 A KR 930003528A
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KR
South Korea
Prior art keywords
signal
frequency characteristic
frequency
test signal
test
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Application number
KR1019910012633A
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Korean (ko)
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KR930011742B1 (en
Inventor
이희수
Original Assignee
강진구
삼성전자 주식회사
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Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910012633A priority Critical patent/KR930011742B1/en
Priority to JP4183436A priority patent/JPH05211700A/en
Priority to DE4224338A priority patent/DE4224338A1/en
Publication of KR930003528A publication Critical patent/KR930003528A/en
Application granted granted Critical
Publication of KR930011742B1 publication Critical patent/KR930011742B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/14—Manually-operated control in frequency-selective amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/007—Monitoring arrangements; Testing arrangements for public address systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic Arrangements (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)

Abstract

내용 없음.No content.

Description

청취공간 상태에 따른 재생 음성신호의 주파수 특성 보정장치Frequency Characteristic Correction Device for Reproducing Audio Signal According to Listening Space Condition

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

제3도는 본 발명에 따른 회로도,3 is a circuit diagram according to the present invention,

제4도는 제3도중 가변 필터(13)의 구체 회로도,4 is a detailed circuit diagram of the variable filter 13 in FIG.

제5도는 본 발명에 따른 흐름도,5 is a flow chart according to the invention,

제6도는 본 발명에 따른 가변 필터(13)의 보정 주파수 특성도.6 is a correction frequency characteristic diagram of the variable filter 13 according to the present invention.

Claims (3)

음향기기에서 청취공간 상태에 따른 재생 음성신호의 주파수 특성 보정장치에 있어서, 소정 주파수 특성 제어 신호에 의해 재생신호의 주파수 특성을 보정하는 가변필터와, 청취공간의 상태를 측정하기 위한 테스트 신호를 발생하는 테스트신호 발생수단과, 상기 테스트신호 발생수단에서 발생된 테스트신호를 재생하는 테스트신호 재생수단과, 상기 테스트신호와 재생 음성신호를 소정 스위칭 제어신호에 의해 스위칭 선택하는 스위칭수단과, 상기 테스트신호 재생수단에서 재생된 테스트 신호를 감지하는 테스트 재생신호 감지수단과, 소정의 스위칭 제어신호를 발생하여 상기 테스트 재생 감지신호와 상기 테스트신호 발생수단에서 발생된 테스트신호의 차를 검출하여 주파수 특성 제어신호를 발생하는 제어수단으로 구성함을 특징으로 하는 장치.An apparatus for correcting frequency characteristics of a reproduced audio signal according to a listening space state in an acoustic device, the apparatus comprising: a variable filter for correcting the frequency characteristic of the reproduced signal by a predetermined frequency characteristic control signal and a test signal for measuring the state of the listening space; Test signal generation means, test signal reproduction means for reproducing the test signal generated by the test signal generation means, switching means for switching and selecting the test signal and the reproduced audio signal by a predetermined switching control signal, and the test signal A test reproduction signal detection means for detecting a test signal reproduced by the reproduction means, and a predetermined switching control signal to detect a difference between the test reproduction detection signal and the test signal generated by the test signal generation means to detect a frequency characteristic control signal. Apparatus comprising a control means for generating a . 제1항에 있어서, 상기 가변필터가 상기 주파수 특성 제어신호에 의해 주파수 특성을 보정하기 위한 주파수 보정량을 설정하는 주파수 보정값 설정부와, 상기 주파수 보정값 설정부외 보정값에 의해 재생 음성신호의 주파수 특성을 보정하는 주파수 특성 보정부로 구성함을 특징으로 하는 장치.A frequency correction value setting unit for setting a frequency correction amount for the variable filter to correct a frequency characteristic by the frequency characteristic control signal, and a frequency of a reproduced audio signal by a correction value other than the frequency correction value setting unit. Apparatus comprising a frequency characteristic correction unit for correcting the characteristic. 음향기기에서 청취공간상태에 따른 재생 음성신호의 주파수 특성 보정방법에 있어서, 음성신호 뮤트 상태에서 소정의 테스트신호를 발생한후 재생하여 청취공간에 확산하는 테스트신호 재생 과정과, 상기 테스트신호 재생 과정에서 청취공간에 확산된 재생 테스트 신호를 감지하고 정취공간에 확산되기 이전의 테스트신호와 비교하여 주파수 특성 제어신호를 발생하는 주파수특성 제어신호 발생과정과, 상기 주파수 특성 제어신호에 의해 재생 음성신호의 주파수 특성을 보정하는 주파수 특성 보정 과정으로 이루어짐을 특징으로 하는 방법.A method of correcting a frequency characteristic of a reproduced voice signal according to a listening space state in an audio device, the method comprising: generating a test signal in a mute state of a voice signal, reproducing it, and reproducing it in a listening space; A frequency characteristic control signal generation process of detecting a reproduction test signal spread in the listening space and generating a frequency characteristic control signal in comparison with a test signal before being spread in the mood space, and the frequency of the reproduction voice signal by the frequency characteristic control signal And a frequency characteristic correction process for correcting the characteristic. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910012633A 1991-07-23 1991-07-23 Frequency characteristics compensation system for sound signal Expired - Fee Related KR930011742B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019910012633A KR930011742B1 (en) 1991-07-23 1991-07-23 Frequency characteristics compensation system for sound signal
JP4183436A JPH05211700A (en) 1991-07-23 1992-07-10 Method and device for correcting listening -space adaptive-frequency characteristic
DE4224338A DE4224338A1 (en) 1991-07-23 1992-07-23 METHOD AND DEVICE FOR COMPENSATING A FREQUENCY GEAR ADAPTED TO A ROOM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910012633A KR930011742B1 (en) 1991-07-23 1991-07-23 Frequency characteristics compensation system for sound signal

Publications (2)

Publication Number Publication Date
KR930003528A true KR930003528A (en) 1993-02-24
KR930011742B1 KR930011742B1 (en) 1993-12-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910012633A Expired - Fee Related KR930011742B1 (en) 1991-07-23 1991-07-23 Frequency characteristics compensation system for sound signal

Country Status (3)

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JP (1) JPH05211700A (en)
KR (1) KR930011742B1 (en)
DE (1) DE4224338A1 (en)

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KR100594227B1 (en) 2003-06-19 2006-07-03 삼성전자주식회사 Low Power Low Noise Comparator with Inverter with Reduced Peak Current
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US9084058B2 (en) 2011-12-29 2015-07-14 Sonos, Inc. Sound field calibration using listener localization
US9706323B2 (en) 2014-09-09 2017-07-11 Sonos, Inc. Playback device calibration
US9690539B2 (en) 2012-06-28 2017-06-27 Sonos, Inc. Speaker calibration user interface
US9219460B2 (en) 2014-03-17 2015-12-22 Sonos, Inc. Audio settings based on environment
US9106192B2 (en) 2012-06-28 2015-08-11 Sonos, Inc. System and method for device playback calibration
EP2830327A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor for orientation-dependent processing
US9264839B2 (en) 2014-03-17 2016-02-16 Sonos, Inc. Playback device configuration based on proximity detection
US10127006B2 (en) 2014-09-09 2018-11-13 Sonos, Inc. Facilitating calibration of an audio playback device
US9910634B2 (en) 2014-09-09 2018-03-06 Sonos, Inc. Microphone calibration
US9891881B2 (en) 2014-09-09 2018-02-13 Sonos, Inc. Audio processing algorithm database
US9952825B2 (en) 2014-09-09 2018-04-24 Sonos, Inc. Audio processing algorithms
WO2016172593A1 (en) 2015-04-24 2016-10-27 Sonos, Inc. Playback device calibration user interfaces
US10664224B2 (en) 2015-04-24 2020-05-26 Sonos, Inc. Speaker calibration user interface
US9538305B2 (en) 2015-07-28 2017-01-03 Sonos, Inc. Calibration error conditions
WO2017049169A1 (en) 2015-09-17 2017-03-23 Sonos, Inc. Facilitating calibration of an audio playback device
US9693165B2 (en) 2015-09-17 2017-06-27 Sonos, Inc. Validation of audio calibration using multi-dimensional motion check
US9743207B1 (en) 2016-01-18 2017-08-22 Sonos, Inc. Calibration using multiple recording devices
US11106423B2 (en) 2016-01-25 2021-08-31 Sonos, Inc. Evaluating calibration of a playback device
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US9794710B1 (en) 2016-07-15 2017-10-17 Sonos, Inc. Spatial audio correction
US10372406B2 (en) 2016-07-22 2019-08-06 Sonos, Inc. Calibration interface
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Publication number Publication date
KR930011742B1 (en) 1993-12-18
JPH05211700A (en) 1993-08-20
DE4224338A1 (en) 1993-01-28

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