KR830001758A - Circuit arrangement for compressing or extending the amplitude fluctuation range of information signals - Google Patents

Circuit arrangement for compressing or extending the amplitude fluctuation range of information signals Download PDF

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Publication number
KR830001758A
KR830001758A KR1019760000729A KR760000729A KR830001758A KR 830001758 A KR830001758 A KR 830001758A KR 1019760000729 A KR1019760000729 A KR 1019760000729A KR 760000729 A KR760000729 A KR 760000729A KR 830001758 A KR830001758 A KR 830001758A
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KR
South Korea
Prior art keywords
circuit
circuit device
signal
compressing
extending
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Application number
KR1019760000729A
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Korean (ko)
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KR840001997B1 (en
Inventor
밀톤 도르비 레이
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밀톤 도르비 레이
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Priority to KR7600729A priority Critical patent/KR840001997B1/en
Publication of KR830001758A publication Critical patent/KR830001758A/en
Application granted granted Critical
Publication of KR840001997B1 publication Critical patent/KR840001997B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Picture Signal Circuits (AREA)

Abstract

내용 없음No content

Description

정보 신호의 진폭 변동 범위를 압축 또는 신장하기 위한 회로 장치Circuit arrangement for compressing or extending the amplitude fluctuation range of information signals

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음This content is subject to disclosure, so the full text is not included.

제1도는 오우디오 신호에 대한 압축기의 계통도. 제2도는 상보적인 신장기의 계통도. 제3도 및 4도는 압축기 및 신장기에서 사용되는 2개의 필터 및 리미터 회로의 회로도. 제5도는 제3도의 변형예를 표시한 도면. 제6도는 칼러 텔레비젼 방식으로 사용되는 변경된 필터 및 리미터회로의 회로도. 제7도는 오우디오 압축기에 대한 필터 및 리미터 회로의 회로도.Fig. 1 is a schematic diagram of a compressor for an audio signal. Figure 2 is a schematic diagram of the complementary kidney phase. 3 and 4 are circuit diagrams of two filter and limiter circuits used in compressors and expanders. FIG. 5 is a diagram showing a modified example of FIG. 3. FIG. 6 is a circuit diagram of a modified filter and limiter circuit used in the color television system. 7 is a circuit diagram of a filter and limiter circuit for an audio compressor.

Claims (6)

정보 신호의 다이나믹 레인지의 압축 또는 신장을 하기위한 회로장치에서, 신호의 전대역폭에 걸쳐 회로장치의 입력신호에 대해서 선형의 다이나믹 레인지를 가진 신호를 발생하는 제1의 회로와, 진폭에 영향을 미치고 또 주파 선택성 필터를 포함한 적어도 1개의 제2의 회로와 이 제2회로의 출력에 의한 압축에 대해서는 전기한 제1의 회로의 출력을 증대하고 신장에 대해서는 전기한 제1의 회로의 출력을 축소하게끔 제1 및 제2의 회로의 출력을 결합하는 결합장치를 구비하고 전기 제2회로의 입력신호는 회로 장치가 압축기록서 동작될 때에는 회로장치의 입력 신호에 대해 선형 다이나믹 레인지를 가지고 회로장치가 신장기로서 동작될 때에는 회로장치의 출력신호에 대해서 선형 다이나믹 레인지를 가지고 전기한 필터는 회로장치내의 신호 레벨에 응답해서 그 통과 대역이 좁도록 자동적으로 가변되고, 고신호레벨에서는 전기 제2의 회로의 출력 신호가 전기한 제1회로의 출력신호보다도 1단수 또는 그 이상 작은 영역에 있는 것처럼 어떤 얕은 레벨의 진폭을 넘는 신호를 억제하게한 것을 특징으로 한 정보 신호의 다이나믹 레인지의 압축 또는 신장을 하기 위한 회로 장치.In a circuit device for compressing or extending the dynamic range of an information signal, the first circuit that generates a signal with a linear dynamic range for the input signal of the circuit device over the entire bandwidth of the signal, and affects the amplitude. In addition, at least one second circuit including a frequency selective filter and compression by the output of this second circuit increase the output of the first circuit and decrease the output of the first circuit when expanding. A coupling device for coupling the outputs of the first and second circuits is provided, and the input signal of the second electric circuit has a linear dynamic range with respect to the input signal of the circuit device when the circuit device is operated as a compressor. When in operation, the filter that has a linear dynamic range with respect to the output signal of the circuit device is automatically varied in response to the signal level in the circuit device so that its pass band is narrow, and at a high signal level, the output signal of the second circuit A circuit device for compressing or extending the dynamic range of an information signal, characterized in that it suppresses a signal exceeding a certain shallow level as if it is in a region that is one stage or more smaller than the output signal of the first circuit . 특허청구 범위의 제1항 기재의 회로 장치에서 전기 필터가 반송 주파수를 제거하기 위해 동조된 공진회로(54, 56, 54A, 56A)를 포함한 것을 특징으로 한다. 정보 신호의 진폭 변동 범위의 압축 또는 신장을 하기 위한 회로장치.The circuit device according to claim 1 is characterized in that the electric filter includes a resonant circuit (54, 56, 54A, 56A) tuned to remove the carrier frequency. A circuit device for compressing or extending the amplitude fluctuation range of an information signal. 특허청구 범위 제1항 기재의 회로 장치에서, 전기한 제2의 채널이 전기한 필터에 후속되는 비선형 리미터를 비치한 것을 특징으로 하는 정보신호의 진폭 변동범위의 압축 또는 신장을 하기 위한 회로장치.A circuit device for compressing or extending an amplitude fluctuation range of an information signal, characterized in that, in the circuit device according to claim 1, the second channel is provided with a nonlinear limiter following the filter. 특허청구의 범위 제1항 기재의 회로장치에서 전기 필터(12)가 그것에 직접 접속된 제한 장치(28)을 가지고 이것에 의해 이 필터의 주파수 응답 특성은 어떤 얕은 레벨의 진폭을 넘는 신호를 억제하게끔, 그 통과 대역을 접게하게 제어되는 것을 특징으로 한다. 정보신호의 진폭 변동범위의 압축 또는 신장을 하기 위한 회로장치.In the circuit arrangement of claim 1, the electric filter (12) has a limiting device (28) directly connected to it, whereby the frequency response characteristic of this filter is such that it suppresses signals exceeding some shallow level amplitude. It is characterized in that it is controlled to fold the passband. A circuit device for compressing or extending the amplitude fluctuation range of an information signal. 특허청구의 범위 제1항 기재의 회로장치에서 제2의 채널의 입력이 전기한 결합 장치의 출력에 접속되어 있는 것을 특징으로 한 정보 신호의 진폭 변동범위의 압축을 하기 위한 회로장치.A circuit device for compressing an amplitude fluctuation range of an information signal, characterized in that the input of the second channel is connected to the output of the coupling device in the circuit device according to claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed according to the contents of the initial application.
KR7600729A 1971-10-16 1976-03-25 The circuit device for signal compression and expansion in variable amplitude KR840001997B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR7600729A KR840001997B1 (en) 1971-10-16 1976-03-25 The circuit device for signal compression and expansion in variable amplitude

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019710001491 1971-10-16
KR7600729A KR840001997B1 (en) 1971-10-16 1976-03-25 The circuit device for signal compression and expansion in variable amplitude

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1019710001491 Division 1971-10-16 1971-10-16

Publications (2)

Publication Number Publication Date
KR830001758A true KR830001758A (en) 1983-05-18
KR840001997B1 KR840001997B1 (en) 1984-10-26

Family

ID=19198623

Family Applications (6)

Application Number Title Priority Date Filing Date
KR7600727A KR840001995B1 (en) 1971-10-16 1976-03-25 The device for signal compression and expansion
KR7600726A KR840001994B1 (en) 1971-10-16 1976-03-25 Noise reduction system
KR7600729A KR840001997B1 (en) 1971-10-16 1976-03-25 The circuit device for signal compression and expansion in variable amplitude
KR7600728A KR840001996B1 (en) 1971-10-16 1976-03-25 Expanders
KR767600730A KR850001907B1 (en) 1971-10-16 1976-03-25 Compressor and expander
KR7600958A KR850001908B1 (en) 1971-10-16 1976-04-19 The system of noise reduction

Family Applications Before (2)

Application Number Title Priority Date Filing Date
KR7600727A KR840001995B1 (en) 1971-10-16 1976-03-25 The device for signal compression and expansion
KR7600726A KR840001994B1 (en) 1971-10-16 1976-03-25 Noise reduction system

Family Applications After (3)

Application Number Title Priority Date Filing Date
KR7600728A KR840001996B1 (en) 1971-10-16 1976-03-25 Expanders
KR767600730A KR850001907B1 (en) 1971-10-16 1976-03-25 Compressor and expander
KR7600958A KR850001908B1 (en) 1971-10-16 1976-04-19 The system of noise reduction

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KR (6) KR840001995B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000014685A (en) * 1998-08-24 2000-03-15 정종순 Light insulating mortar composition having improved curing property and contraction-stability
KR100431797B1 (en) * 2000-11-21 2004-05-17 박응모 Non-sintering cement using blast furnace slag
KR100544062B1 (en) * 2003-07-24 2006-01-23 주식회사 실크로드시앤티 Crack inhibitor for cement mortar
KR102122148B1 (en) 2019-01-21 2020-06-11 소윤섭 Double-structured enclosure that remains sealable

Also Published As

Publication number Publication date
KR830001757A (en) 1983-05-18
KR850001907B1 (en) 1985-12-30
KR830001759A (en) 1983-05-18
KR830001756A (en) 1983-05-18
KR850001908B1 (en) 1985-12-30
KR840001994B1 (en) 1984-10-26
KR830001755A (en) 1983-05-18
KR840001995B1 (en) 1984-10-26
KR830001760A (en) 1983-05-18
KR840001997B1 (en) 1984-10-26
KR840001996B1 (en) 1984-10-26

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