KR930005079B1 - Voice/music storing and reproducing circuit with micom for vtr - Google Patents

Abstract

an exterior key (100) outputting the signal corresponding to each mode selected by user; a micro computer (200) outputting the control signal for selecting the serial data and memory according to the signal inputted from the exterior key; a controller (400) controlling the storage and playback of voice/music signal by outputting the address signal, the ras signal and the cas signal; a cas selector (300) selecting the memory; a driver (500) for driving the data inputted/outputted to/from the memory and the ras signal, the address signal, the read/write signal; a memory group (600) including a plurality of memories for storing and reproducing the data.

Description

Voice and music recording and playback circuit of VTR with microcomputer

Figure is a system block diagram according to the present invention.

Table 1 is an address designation table for memory selection of the present invention.

* Explanation of symbols for main parts of the drawings

100: foreign key 200: micom

300: Peripheral device 400: Voice / music controller

500: drive 600: memory chip

M1-M28: Memory Chip MIC: Microphone

SPK: Speaker AMP: Amplifier

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a voice / music recording and reproducing circuit of a VTR in which a computer is built so that a user can store a desired voice or music and then play the stored music.

In general, a VTR is a device that plays back video and audio signals on a video tape with a TV, or records a broadcasting program on a video tape, and has a device for processing video and audio signals that stores signals on an external recording medium. If you want to record only the audio signal on the video tape, the video signal can be recorded at the same time or the already recorded video signal can be erased. Because of the complicated operation method of city VTR, it was difficult for general users to make reservation recording operation.

Accordingly, an object of the present invention is to include a program for controlling a voice music controller and peripheral devices to store or play voice / music according to the present invention in a microcomputer in a conventional VTR in consideration of the above general matters. By installing peripherals such as dedicated controller and memory for storing or playing music only, users can select and save or play the desired voice / music without any damage to the video and audio signals already stored in the video tape. In addition, the present invention provides a voice / music recording and reproducing circuit of a VTR incorporating a microcomputer in which an operation method according to a reservation recording operation is stored in a specific memory chip so that a user can service the operation method by voice during a reservation recording operation.

Hereinafter, with reference to the accompanying drawings of the present invention will be described.

Figure is a block diagram of a voice / music storage and playback circuit of the VTR built-in microcomputer according to the present invention, the external key 100 for outputting the corresponding signal according to each mode selected by the user, and the upper external key 100 A microcomputer 200 for outputting serial data (SI, SCK, CS) and a memory chip selection control signal (A0-A4) in accordance with the signal input from the control unit, and the control signal (A0) from the microcomputer 200 -A4) A memory designated by selecting CAS (hereinafter referred to as CAS) signals (CAS1 and CAS2) outputted from the voice music controller by controlling the memory selection control signals A0-A4 in the memory group 600 as inputs. A CAS selector 300 for outputting to the CAS and serial data (SI, SCK, CS) from the microcomputer 200 and outputting CAS signals CAS1 and CAS2 for driving a memory to the CAS selector 300. At the same time, memory driving signals (RAS, ADD) Voice music controller for storing and reproducing voice music signals by outputting RESS, R / W, DATA) and a plurality of memory chips (M1-M28) for storing or reproducing voice music signals. Between the memory group 600, the voice / music dedicated controller 400, the memory group 600 to the drive 500 for driving input and output of control signals (RAS, ADD, ADDRESS, R / W) and data It is composed.

Hereinafter, the operation and effects of the present invention will be described in more detail in three.

First, when the user wants to store the desired voice / music, when the user presses the voice storage key on the external key 100, the microcomputer 200 receives the key and performs an operation for storing the voice / music. That is, the microcomputer 200 outputs information for performing voice / music storage to the voice / music dedicated controller 400 as serial data and simultaneously controls the memory selection control signals A1-A4 to the CAS selector 300. The serial data is information instructing the voice music dedicated controller 400 to store voice music and the memory selection control signals A0-A4 are memory M25-M26 as shown in Table 1 below. The voice music dedicated controller 400, which has been instructed by the microcomputer 200 as a serial command to store the data, outputs the CAS signals CAS1 and CAS2 to the CAS selector 300. The signal is designated as the memory M25-. M26 or M27-M28) is a signal that controls the output. When storing voice / music, two memories (M25-M26 or M27-28) are used.

When the voice / music dedicated controller 400 receives serial data for voice / music storage from the microcomputer 200, voice or music input through a microphone (MIC) or voice music input from an external device. (In detail, the mic jack is plugged into the microphone input, if the microphone jack is not plugged in to output the audio music signal input from an external device) A / D conversion (ANALOG TO DIGITAL) data and memory address (Address), the memory The driving ras signal and the write signal W are output to the drive 500.

Then, the drive 500 outputs the voice / music data input by A / D conversion in the voice / music exclusive controller 400 from the CAS selector 300 under the control of the memory selection control signals A0-A4. Voice / music storage is performed by storing in the selected memory in the memory group 600 selected by the cas (CAS) signals CAS1 and CAS2.

Secondly, when the user wants to play the desired voice / music (for example, when the user wants to listen to the stored voice / music at the time of fast forward (FW) or rewind (REW), the voice / music play key on the external key 100). When pressed, the microcomputer 200 receives the key and performs an operation for playing the voice / music stored in the memory.

That is, the microcomputer 200 outputs serial data for reproducing voice / music from the memory group 600 to the voice / music dedicated controller 400 and simultaneously controls the memory to the cas selector 300. Signals A0-A4 are output, and the serial data is information for instructing the voice / music dedicated controller 400 to reproduce voice / music, and the memory selection control signals A0-A4 are shown in Table 1. As described above, the CAS selector 300 controls to output the CAS signals CAS1 and CAS2 input from the voice / music controller 400 to the memory M25-M26 or M27-M28.

On the other hand, the voice / music-only controller 400 receives the serial data for reproducing voice / music from the microcomputer 200 and the memory in the memory group 600 selected by the cas selector 300 through the drive 500. An address, a memory driving erase signal, and a read command are outputted to the.

Spherically, the drive 500 outputs the voice / music data read by the voice / music controller 400 to the voice / music controller 400 again, and the voice / music controller 400 is D / A conversion of the data and output to the speaker (SPK) through the speaker amplifier (AMP) to perform the voice / music playback function selected by the user. In this case, two memories (M25-M26 and M27-M28) are used as in storage.

Thirdly, when the user presses the reserved recording mode key on the external key 100 to make a reservation recording, the microcomputer 200 receives the signal to provide the user with a reservation recording operation. The stored memory will be read.

That is, the operation is performed in a similar manner as in the case of voice / music reproduction, except that the microcomputer 200 uses only one memory in order to designate the specific memory (M1-M24) in which the reserved recording mode related information is stored in sequence. On the other hand, the voice / music dedicated controller 400 reads the voice data related to the reservation recording in the memory designated in order to the memory selection control signals A0-A4 output from the microcomputer 200, and then performs D / A conversion. By outputting to the speaker SPK, reservation recording mode operation guidance is performed.

As described above, the present invention stores a program for controlling a voice / music dedicated controller and peripheral devices for storing and playing voice / music in a microcomputer in a conventional VTR, and a plurality of voice / music dedicated controllers and The built-in memory chip of M1-M28 enables users to store or play the voice / music they want, as well as the function to guide the user how to operate the complicated scheduled recording mode. When you want to listen to the voice / music already saved at the time or fast forward), you can listen to the voice / music you want, and you can receive complex service by voice during scheduled recording.

Claims (1)

In a VTR incorporating a microcomputer, an external key 100 for outputting a corresponding signal according to each mode selected by a user, and serial data (SI, SCK, CS) according to a signal input from the upper external key 100. And a microcomputer 200 which outputs a memory selection control signal A0-A4, and serial data from the microcomputer 200 as inputs, an address signal, a ras signal RAS, and a read / write signal (R / W). ), The CAS signal (CAS1, CAS2) to output the voice / music dedicated controller 400 and the voice / music dedicated controller 400 to control the storage and playback of the voice / music signal by outputting the cas (CAS 1, CAS2) and the cas selector 300 which selects the memory under the control of the memory selection control signals A0-A4 in the microcomputer 200 and the storage of the voice / music signal under the control of the microcomputer 200. And play the note A drive 500 for driving data input or output to a ras signal, an address signal read / write signal, and a memory outputted to control read / write of data in the memory from the music music controller 400; A voice / music recording and reproducing circuit of a VTR, comprising a microcomputer consisting of a memory group 600 composed of several memories (M1-M28).