KR940019175A - Stereo / Dual Voice Recognition System - Google Patents

Stereo / Dual Voice Recognition System Download PDF

Info

Publication number
KR940019175A
KR940019175A KR1019930000589A KR930000589A KR940019175A KR 940019175 A KR940019175 A KR 940019175A KR 1019930000589 A KR1019930000589 A KR 1019930000589A KR 930000589 A KR930000589 A KR 930000589A KR 940019175 A KR940019175 A KR 940019175A
Authority
KR
South Korea
Prior art keywords
stereo
intermediate frequency
dual
amplifying
voltage controlled
Prior art date
Application number
KR1019930000589A
Other languages
Korean (ko)
Other versions
KR960007408B1 (en
Inventor
구승엽
Original Assignee
김광호
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.)
Filing date
Publication date
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019930000589A priority Critical patent/KR960007408B1/en
Priority to JP6004117A priority patent/JPH06268617A/en
Publication of KR940019175A publication Critical patent/KR940019175A/en
Application granted granted Critical
Publication of KR960007408B1 publication Critical patent/KR960007408B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Television Receiver Circuits (AREA)
  • Amplifiers (AREA)

Abstract

본 발명은 스테레오와 듀얼 음성 신호를 인식하기 위한 스테레오와 듀얼 음성 인식 시스템을 공개한다. 그 시스템은 제1중간 주파수를 증폭하기 위한 제1중간 주파수 증폭수단, 제2중간 주파수를 증폭하기 위한 제2중간 주파수 증폭수단, 상기 제2중간 주파수 증폭수단을 통과한 신호를 대역 통과 필터링하기 위한 대역 통과 필터, 상기 대역 통과 필터를 통과한 신호의 크기를 검출하기 위한 크기 검출 수단, 스테레오와 듀얼 음성에 해당하는 주파수를 발생할 수 있는 전압 제어 발진기, 상기 전압 제어 발진기의 출력신호를 입력하여 저역 통과 필터링을 수행하기 위한 전역 통과 필터, 상기 전압 제어 발진기의 상기 스테레오와 듀얼 음성주파수에 해당하는 기간동안 기준신호 주파수를 계수하여 기준신호 주파수가 특정수로 계수되면 출력신호를 발생하기 위한 계수수단, 상기 계수수단의 출력신호를 입력하여 스테레오와 듀얼 모드를 선택하기 위한 모드 선택수단으로 구성되어 있다. 따라서, 회로를 간략화하여 집적화시에 칩면적을 줄일 수 있으며 동작시에 신뢰성을 향상시킬 수 있다.The present invention discloses a stereo and dual speech recognition system for recognizing stereo and dual speech signals. The system comprises a first intermediate frequency amplifying means for amplifying a first intermediate frequency, a second intermediate frequency amplifying means for amplifying a second intermediate frequency, and for band pass filtering the signal passing through the second intermediate frequency amplifying means. A band pass filter, a magnitude detection means for detecting the magnitude of the signal passing through the band pass filter, a voltage controlled oscillator capable of generating frequencies corresponding to stereo and dual voice, and a low pass by inputting an output signal of the voltage controlled oscillator An all-pass filter for performing filtering, counting means for generating an output signal when the reference signal frequency is counted by a specific number for a period corresponding to the stereo and dual voice frequencies of the voltage controlled oscillator; Mode for selecting stereo and dual mode by inputting output signal of counting means It consists of a selection means. Therefore, the circuit area can be simplified to reduce the chip area at the time of integration and to improve the reliability at the time of operation.

Description

스테레오/듀얼 음성인식 시스템Stereo / Dual Voice Recognition System

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

제2도는 본 발명의 스테레오/듀얼 음성 인식시스템의 블럭도를 나타내는 것이다. 제3도는 본 발명의 일실시예의 스테레오/듀얼 음성 인식 회로를 나타내는 것이다. 제4도는 제3도에 나타낸 회로의 각부의 출력을 시뮬레이션 한 결과를 나타내는 것이다.2 shows a block diagram of a stereo / dual speech recognition system of the present invention. 3 shows a stereo / dual speech recognition circuit of an embodiment of the present invention. 4 shows the results of simulating the output of each part of the circuit shown in FIG.

Claims (1)

제1중간 주파수를 중복하기 위한 제1중간 주파수 증폭 수단; 제2중간 주파수를 증폭하기 위한 제2중간 주파수 증폭수단; 상기 제2중간 주파수 증폭수단을 통과한 신호를 대역 통과 필터링하기 위한 대역 통과 필터; 상기 대역 통과 필터를 통과한 신호의 크기를 증폭하기 위한 크기 검출 수단; 스테레오와 듀얼 음성에 해당하는 주파수를 발생할 수 있는 전압 제어 발전기; 상기 전압 제어 발진기의 출력신호를 입력하여 저역 통과 필터링을 수행하기 위한 저역 통과 필터; 상기 전압 제어 발진기의 상기 스테레오와 듀얼 음성주파수에 해당하는 기간동안 기준신호 주파수를 계수하여 기준신호 주파수가 특정수로 계수되면 출력신호를 발생하기 위한 계수수단; 상기 계수수단의 출력신호를 입력하여 스테레오와 듀얼 모드를 선택하기 위한 모드 선택수단을 구비한 것을 특징으로 하는 오디오 시스템.First intermediate frequency amplifying means for overlapping the first intermediate frequency; Second intermediate frequency amplifying means for amplifying the second intermediate frequency; A band pass filter for band pass filtering the signal passing through the second intermediate frequency amplifying means; Magnitude detecting means for amplifying the magnitude of the signal passing through the band pass filter; A voltage controlled generator capable of generating frequencies corresponding to stereo and dual voice; A low pass filter for inputting an output signal of the voltage controlled oscillator to perform low pass filtering; Counting means for counting a reference signal frequency for a period corresponding to the stereo and dual voice frequencies of the voltage controlled oscillator and generating an output signal if the reference signal frequency is counted by a specific number; And a mode selecting means for inputting an output signal of the counting means to select stereo and dual modes. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930000589A 1993-01-19 1993-01-19 Stereo/dual voice checking system KR960007408B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019930000589A KR960007408B1 (en) 1993-01-19 1993-01-19 Stereo/dual voice checking system
JP6004117A JPH06268617A (en) 1993-01-19 1994-01-19 Stereo/dual voice signal recognition system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930000589A KR960007408B1 (en) 1993-01-19 1993-01-19 Stereo/dual voice checking system

Publications (2)

Publication Number Publication Date
KR940019175A true KR940019175A (en) 1994-08-19
KR960007408B1 KR960007408B1 (en) 1996-05-31

Family

ID=19349751

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930000589A KR960007408B1 (en) 1993-01-19 1993-01-19 Stereo/dual voice checking system

Country Status (2)

Country Link
JP (1) JPH06268617A (en)
KR (1) KR960007408B1 (en)

Also Published As

Publication number Publication date
KR960007408B1 (en) 1996-05-31
JPH06268617A (en) 1994-09-22

Similar Documents

Publication Publication Date Title
CA1156762A (en) Apparatus for the detection of voice signals
WO1992002913A1 (en) Sound detection system
CA1090919A (en) Arrangement for discriminating speech signals
EP0414392A3 (en) Phase detector
GB981383A (en) Sound analyzing system
KR910021177A (en) Acoustic additional circuit
US3573612A (en) Apparatus for analyzing complex waveforms containing pitch synchronous information
KR940019175A (en) Stereo / Dual Voice Recognition System
DE69531348D1 (en) PHASE NOISE DETECTOR
US3400216A (en) Speech recognition apparatus
KR830007009A (en) Stereo identification signal detection circuit
KR940001585A (en) Sample Data Receiver Squelch Device and Squelch Method
KR900004179A (en) Noise Reduction Circuit
KR940023311A (en) Stereo and Dual Voice Recognition System
KR930008444A (en) Knocking circuit
SU591908A1 (en) Speech signal segmenting device
NL146672B (en) SYNTHETIC SPEECH TRANSMISSION SYSTEM.
SU1176374A1 (en) Spectrum transformer for electric guitar
SU610157A1 (en) Arrangement for discriminating speech signal fundamental tone
KR970014034A (en) Ring signal generator for telephone
SU1614130A2 (en) Device for receiving multiple-frequency signals
KR910015191A (en) Sound effect device
KR0114977Y1 (en) Alarm device for adjusting current in hi-fi vcr
JPS56135822A (en) Input device in photoelectric scanning recorder
SU580658A1 (en) Voice-frequency telegraphy signal receiver

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080502

Year of fee payment: 13

LAPS Lapse due to unpaid annual fee