WO1995020219A1 - Dispositif de commande de l'emission de paroles - Google Patents

Dispositif de commande de l'emission de paroles Download PDF

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Publication number
WO1995020219A1
WO1995020219A1 PCT/CN1994/000049 CN9400049W WO9520219A1 WO 1995020219 A1 WO1995020219 A1 WO 1995020219A1 CN 9400049 W CN9400049 W CN 9400049W WO 9520219 A1 WO9520219 A1 WO 9520219A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
card
voice
circuit
microcomputer
Prior art date
Application number
PCT/CN1994/000049
Other languages
English (en)
Chinese (zh)
Inventor
Zheng Li
Xuejun Si Tu
Guangning Hu
Liyi Li
Hongyan Huang
Yuenian Zhang
Original Assignee
Zhuhai Sez Zhu Kuan Electronic Industry Co. Ltd.
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 Zhuhai Sez Zhu Kuan Electronic Industry Co. Ltd. filed Critical Zhuhai Sez Zhu Kuan Electronic Industry Co. Ltd.
Priority to AU69932/94A priority Critical patent/AU6993294A/en
Publication of WO1995020219A1 publication Critical patent/WO1995020219A1/fr

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes

Definitions

  • the present invention relates to a control device, in particular to a control device for a four-track logic selective re-listening function card type playback core.
  • the four-track logic selection and replay function cassette type playback core is composed of a motor, two upper electromagnetic coil control levers, a head loading state switch, a tape direction switch, a tape entry and exit state switch, and a mechanical part.
  • the two electromagnetic wires ⁇ are energized or de-energized to attract or release the control lever to control the loading of the magnetic head, the direction of the tape, the normal or fast tape, and the movement of the movement is controlled by the control circuit.
  • a cassette tape capable of recording voice information and data information at the same time, when the voice information and the data information are output, the existing control device cannot control the output of the voice information and the data information as needed, and the control circuit cannot detect the correctness of the output content. It may cause the output content to be inconsistent with the requirements. Disclosure of invention
  • the object of the present invention is to address the above-mentioned shortcomings, and propose a voice output control device that can control the output of voice information and data information as needed, and can detect the correctness of the output content.
  • the invention includes a microcomputer, a four-track logic selection and replay function card type playback movement core, a four-track logic selection and replay function card type playback core control card, and a movement control software stored in a piece of EPR0M on the control card;
  • the movement and the control card are connected through a control line, and the control card and the microcomputer communicate with each other through the microcomputer's I / O bus; it uses the microcomputer to control the movement of the four-track logic selection and replay function card-type playback movement through the movement control card. And the output of voice information and data information in conjunction with voice information.
  • the cassette tape used is a cassette tape which records voice information and data information on different magnetic recording tracks, one of which is used as a voice track to record natural voice information; the other track is used as a data track, which is encoded after
  • the digital signal format records voice-related data information.
  • Data information is data that is controlled and output in conjunction with voice information.
  • Four-track logic selection and re-listening function card-type playback movement control card includes single-chip microcomputer U4, digital signal processing circuit composed of two-stage amplification circuits U8C, U8D, voice signal amplification circuit composed of two-stage amplification circuits U8 U8B, volume control Circuit U11 and includes decoder U2 and register U3, U5]: / O port control circuit;
  • the data track signal of the magnetic tape is sent to the microcontroller U 4 through the amplification circuit U 8 C and USD;
  • the voice track signal is sent to the volume control circuit U11 via the amplification circuit U8A ⁇ U8B;
  • the microcontroller U4 is connected to the volume control circuit through the volume control line, and is connected to the movement through the control line;
  • the register U5 of the I / O port control circuit is connected to the data bus of the microcontroller U4, the register U5 is connected to the register U3 by the data bus, and the decoder U2 is connected to U5.
  • the signal of the data track of the magnetic tape is read out by the U8D op amp in the digital signal processing circuit, and is amplified and formed into a square wave signal to be processed by the single-chip microcomputer. Read it out and send it to the speaker.
  • FIG. 1 is a structural block diagram of the present invention
  • FIG 2-1, Figure 2-2, Figure 2-3, Figure 2-4, Figure 2-5 is the electrical schematic diagram of the control card;
  • Figure 3 is a flowchart of the control software of the present invention. Way of carrying out the invention
  • the present invention is composed of a movement core, a control card, a microcomputer, and control card software.
  • the movement core and the control card are connected through a control line, and the control card and the microcomputer communicate with each other through a microcomputer bus.
  • the data information is transmitted to the microcomputer, and the status information of the movement is also fed back to the microcomputer.
  • Fig. 2 is assembled from Fig. 2-1, Fig. 2-2, Fig. 2-3, Fig. 2-4, and Fig. 2-5.
  • the control card 8031 single-chip microcomputer is the core, including digital signal processing circuit, Voice signal amplifier circuit, volume control circuit and I / O port control circuit.
  • It is a digital signal processing circuit, which is composed of op amp TLO 84 (U8C, U8D) and some additional resistors, capacitors and other components.
  • TLO 84 U8C, U8D
  • the magnetic head read signal passes through the shielded wire, C7, U8C : U8D is sent to pin 8 of 8031, which amplifies and reshapes the signal on the data track of the tape into a square wave signal and sends it to the microcontroller for processing.
  • a speech signal amplifier circuit which is composed of op amps TL0S4 (U8A, U8B), volume control circuit TBA820 (U11), and some additional resistors and capacitors. Among them, 118 U8B and peripheral circuits constitute a two-stage universal amplifier. The weak voice signal on the tape is shielded to C4,
  • U 3 is a single-chip microcomputer subsystem, which is composed of a single-chip microcomputer 8031 (U4), 74LS373 (U1), EPR0M2764 (U6), and a piece of GAL20V8 (U 7 ), Ul is an address latch, which latches the lower eight bits of the single-chip computer U4; U7 For the drive circuit of the playback core, the U7 is used to control the U7 to complete the mechanical actions such as tape transport, fast forward, fast reverse, and stop by the control line.
  • U6 is a 8KX 8 EPROM ⁇ This device reads the signal Fetch program, movement control program, and interface program for communication with microcomputer.
  • I / O port control circuit consisting of GAL20V8 (U2), 74LS374 (U3, U5), IB is a command register, and commands issued by the microcomputer (such as tape transport, fast forward, fast rewind, etc.) are stored first via the data bus In this register 74LS374 (U3), the microcontroller receives commands from this register and executes the corresponding actions; U5 is the data register, and the data read from the tape by the microcontroller is stored in this register for the computer to read; U2 is the address decoder, choose the appropriate microcomputer I / O ports operate on this control card.
  • the voice information recorded on the tape's voice track is read, amplified, and sent to the speaker by a voice signal amplification circuit composed of TL084 (U8A ⁇ U8B), TBA820 (Ull);
  • the data information recorded on the data track of the magnetic tape is read out by a digital signal processing circuit composed of TL084 (U8C. U8D), which is amplified, shaped, and converted into a square wave signal to be sent to the microcontroller.
  • the microcomputer After receiving the data from the control card, the microcomputer sends fast-forward, fast-reverse, pause, tape changeover, fast search for the content to be played and playback to the control card, and can control the amplification of the voice amplifier circuit to adjust. volume.
  • the quick search and playback of the content to be broadcast is based on the principle of the shortest time positioning the magnetic head at the beginning of the content to be broadcast, and the movement enters the playback state.
  • the microcomputer sends a command to the register (such as the playback command).
  • the 8031 reads from this register and controls the movement to generate corresponding actions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

Dispositif de commande de l'émission de paroles, comportant un micro-ordinateur, une unité de lecture à carte fonctionnelle de lecture par sélection logique sur quatre canaux, et une carte de commande raccordée entre le micro-ordinateur et l'unité de lecture. Suivant les informations de commande d'émission comprises dans les informations de commande d'émission enregistrées et mixées conjointement avec les paroles sur une cassette, le dispositif commande l'émission des informations vocales et des informations de traitement. La carte de commande possède, à titre de composant de commande, un microprocesseur. Les communications sont commandées par un logiciel de commande et l'exploitation de l'unité de lecture est gérée par les instructions émises par l'ordinateur.
PCT/CN1994/000049 1994-01-24 1994-06-22 Dispositif de commande de l'emission de paroles WO1995020219A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU69932/94A AU6993294A (en) 1994-01-24 1994-06-22 A device for controlling the outputting of voice

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN94200588U CN2177278Y (zh) 1994-01-24 1994-01-24 一种语音输出控制装置
CN94200588.0 1994-01-24

Publications (1)

Publication Number Publication Date
WO1995020219A1 true WO1995020219A1 (fr) 1995-07-27

Family

ID=5040159

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1994/000049 WO1995020219A1 (fr) 1994-01-24 1994-06-22 Dispositif de commande de l'emission de paroles

Country Status (3)

Country Link
CN (1) CN2177278Y (fr)
AU (1) AU6993294A (fr)
WO (1) WO1995020219A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737867A (en) * 1984-02-03 1988-04-12 Brother Kogyo Kabushiki Kaisha Power saving arrangement in information recording system
US4760566A (en) * 1985-04-08 1988-07-26 Hitachi, Ltd. Method of controlling write operation for rotating type recording medium
WO1993000681A1 (fr) * 1991-06-27 1993-01-07 Binet Co., Ltd. Systeme d'enregistrement opto-magnetique de donnees
EP0565092A1 (fr) * 1992-04-08 1993-10-13 Sony Corporation Lecteur de disque CD-ROM
EP0570191A2 (fr) * 1992-05-14 1993-11-18 Sony Corporation Appareil de restitution audio
US5265075A (en) * 1991-09-11 1993-11-23 Dictaphone Corporation Voice processing system with editable voice files

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737867A (en) * 1984-02-03 1988-04-12 Brother Kogyo Kabushiki Kaisha Power saving arrangement in information recording system
US4760566A (en) * 1985-04-08 1988-07-26 Hitachi, Ltd. Method of controlling write operation for rotating type recording medium
WO1993000681A1 (fr) * 1991-06-27 1993-01-07 Binet Co., Ltd. Systeme d'enregistrement opto-magnetique de donnees
US5265075A (en) * 1991-09-11 1993-11-23 Dictaphone Corporation Voice processing system with editable voice files
EP0565092A1 (fr) * 1992-04-08 1993-10-13 Sony Corporation Lecteur de disque CD-ROM
EP0570191A2 (fr) * 1992-05-14 1993-11-18 Sony Corporation Appareil de restitution audio

Also Published As

Publication number Publication date
CN2177278Y (zh) 1994-09-14
AU6993294A (en) 1995-08-08

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