KR19990035045A - VR with audio data storage function and its control method - Google Patents

Abstract

The present invention relates to a V-Cal having an audio data storage function and a control method thereof, and when there is an audio data storage key input in a state in which video playback or television broadcasting is output, the presently stored audio data is stored and the data is assigned a number. Audio data playback process, if there is an audio data playback key input after performing this audio data storage process, requesting input of the number of stored audio data and outputting the stored audio data corresponding to the input number through the speaker And an audio dubbing process for requesting input of a number of stored audio data after recording of the stored audio data and performing recording of the stored audio data corresponding to the input number on an audio track of a videotape. In addition, the user can store the audio data currently output through the speaker during video or television viewing, and can reproduce the stored audio data or dub the audio track of the video tape, thereby improving the functionality of the system.

Description

VR with audio data storage function and its control method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a V-Cal having an audio data storage function and a control method thereof. In particular, a user may store audio data output through a current speaker while watching a video or a television, and play the stored audio data when necessary, The present invention relates to a V-Cal having an audio data storage function capable of being dubbed to an audio track of a tape and a control method thereof.

In general, a BC-AL system refers to a device capable of recording video and audio signals on a magnetic tape wound on a reel of a video cassette, and playing back the recorded video and audio signals to restore the image and audio. In addition, such a VR system is in principle the same as a tape recorder, but since the frequency band of the video signal recorded on the magnetic tape is wider than that of the audio signal, it is necessary to increase the relative speed of the head for recording and playing the video signal. Thus, the head drum provided with two, four or six heads is rotated at a rate of several tens of seconds per second inclined with the tape running direction to record or reproduce the video signal.

As shown in FIG. 1, the conventional VSR has a plurality of video heads 71 for reproducing a video signal recorded in a magnetic field on a video tape 70 or recording a video signal input from the outside. The head drum 72 provided, the audio erasing head 73 for erasing the audio signal recorded on the audio track of the video tape 70, and the audio erasing head 73 are integrally or separately provided with the video tape ( The audio head 74 for recording an audio signal on the audio track of 70) or reproducing the recorded audio signal, and processing the video signal reproduced on the video head 71 and outputting the video signal on the screen of the display 75; A video signal processor 76 for processing a video signal into a video tape 70 through the video head 71 and recording the audio signal reproduced by the audio head 74. An audio signal processor 78 for processing an audio signal and outputting it through a speaker 77 or for processing an audio signal and recording the audio signal on an audio track of the video tape 70 through an audio head 74; A microcomputer 79 for controlling overall functions of the system, including an audio signal processing unit 78, and an audio signal processing unit for receiving an audio signal and a video signal received, demodulated, and amplified according to the control of the microcomputer 79, respectively. And a tuner unit 80 for inputting to the video signal processing unit 76, a key input unit 81 for inputting a function setting signal of the user to the microcomputer 79, and a video signal recorded on the video tape 70. And a full width erasing head 82 for canceling the audio signal and the control signal, and a capstan motor 85 for driving the supply reel 83 and the reel 84 according to the control of the microcomputer 79.

In the conventional recording operation of V-Cal having such a configuration, first, the tuner unit 80 performs audio / video signal processing unit 78 and video signal processing unit, respectively, for demodulating and amplifying a received television broadcast wave. 76). Then, the video signal processing unit 76 processes the input video signal into a video signal and outputs an image on the screen of the display 75. The audio signal processing unit 78 processes the input audio signal as an audio signal to operate the speaker 77. Voice output through.

At this time, when the user inputs the recording mode key to the microcomputer 79 through the key input unit 81, the microcomputer 79 outputs a control signal to the capstan motor 85 to drive the reel 84. Then, the video tape 70 is unwound from the supply reel 83, passes through the full width erasing head 82, and erases the recorded signal, and proceeds to the video head 71. At this time, the video signal output from the tuner 80 and processed by the video signal processor 76 is recorded on the video tape 70 through the video head 71. At the same time, the audio signal output from the tuner unit 80 and the audio signal processed by the audio signal processing unit 78 is recorded on the audio track of the video tape 70 through the audio head 74.

However, the conventional VRC is limited to a function of simply recording a television broadcast. Therefore, when recording such a television broadcast, the video and audio of the television broadcast are recorded as it is, so that the user can store audio data that the user wants to store while watching television or watching video. There is a problem that the stored audio data cannot be dubbed to audio tracks of other video tapes when necessary.

The present invention has been invented to solve the above problems, and allows the user to store the audio data currently output through the speaker during video or television viewing, to play the stored audio data or to dub the audio tracks of the video tape. It is an object of the present invention to provide a V-Cal having a function of storing audio data and a control method thereof.

According to an aspect of the present invention, there is provided a VRC including an audio signal processor for receiving an audio signal or a television broadcast audio signal read from an audio head, processing an audio signal, and outputting the audio signal to the outside through a speaker. An A / D converter for converting the audio signal processed by the audio signal processing unit into a digital audio data format, an audio RAM for storing audio data converted into a digital format from the A / D converter, and audio in the audio RAM. A microcomputer that controls the entire system, including control of storing data, playing back and dubbing the stored audio data, and converting digital audio data stored in the audio RAM into an analog audio signal and inputting the same to the audio signal processor. With A converter It is characterized by.

The control method of the present invention for achieving the above object is, if there is an audio data storage key input in the state that video playback or television broadcasting is output, audio data storage for storing the currently output audio data and assigning a number to the data. And a storage audio data playback process for requesting input of a number of stored audio data and outputting stored audio data corresponding to the input number through a speaker if there is an audio data playback key input after performing this audio data storage process. When the audio dubbing key is input after performing the audio data reproducing process, an audio dubbing process is required, which requires input of a number of stored audio data and records stored audio data corresponding to the input number in an audio track of a video tape.

1 is a block diagram of a conventional V-Cal.

2 is a block diagram of a V-Cal having an audio data storage function of the present invention.

3A and 3B are flowcharts of the present invention.

<Explanation of symbols for main parts of drawing>

1: video tape 2: video head

3: head drum 4: audio muting head

5: audio head 6: display

7: video signal processor 8: speaker

9: audio signal processor 10: A / D converter

11: audio ram 12: micom

13: D / A converter 14: OSD

15: Tuner section 16: Key input section

17: full width clearing head 18: supply reel

19: reel 20: capstan motor

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

As the VR having the present invention has an audio data storage function, as shown in FIG. 2, a plurality of video heads 2 are provided which play a video signal recorded on a video tape 1 or record a video signal input from the outside. The head drum 3, an audio erasing head 4 for erasing audio signals recorded on an audio track of the video tape 1, and an audio erasing head 4 integrally or separately provided with the video tape 1 Record an audio signal on an audio track, or process an audio head 5 for reproducing the recorded audio signal and a video signal reproduced on the video head 2 and output the video signal on the screen of the display 6; Video signal processing unit 7 for recording video signal processed video signal to video tape 1 via video head 2, and audio signal read from audio head 5; An audio signal processor 9 that receives a television broadcast audio signal, processes an audio signal, and outputs the audio signal to the outside through the speaker 8, and converts the analog audio signal processed by the audio signal processor 9 into digital audio data. An A / D converter 10 for converting, an audio RAM 11 for storing audio data digitally converted in the A / D converter 10, and storing and storing the audio data in the audio RAM 11; The microcomputer 12 controls the entire system including the reproduction of the audio data and the control of the function of recording the audio data on the audio track of the video tape, and the audio data output control signal of the microcomputer 12 controls the audio RAM ( 11/13 converts the digital audio data stored in the 11) into an analog audio signal and outputs the analog audio signal to the audio signal processor 9; The OSD unit 14 generates and outputs the OSD character to the display 6 according to the OSD character generation control signal of (12), and receives and demodulates and amplifies television broadcast waves under the control of the microcomputer 12. A tuner unit 15 for inputting the signal-processed audio signal and a video signal to the audio signal processor 9 and the video signal processor 7, and a key input unit 16 for inputting the user's function setting signal to the microcomputer 12; ), The full width erasing head 17 for canceling the video signal, the audio signal, and the control signal recorded on the video tape 1, and the supply reel 18 and the reel 19 according to the control of the microcomputer 12. It consists of the capstan motor 20 which drives.

In the control method of the present invention applied to the apparatus of the present invention configured as described above, first, as shown in FIGS. 3A and 3B, the audio data storage key input determination step (S1) is performed in the initial state (S1) in which a video or a television broadcast is output. Proceed to S2) to determine whether there is an audio data storage key input. If it is determined in the audio data storage key input determination step S2 that there is an audio data storage key input, the flow proceeds to the audio data storage step S3 to temporarily store audio data currently being reproduced or output.

Then, the audio data storage end key input determination step S4 is performed during the audio data storage step S3 to determine whether there is an audio data storage end key input. If it is determined in the audio data storage end key input determination step S4 that there is no input of the audio data storage end key, the process returns to the audio data storage step S3 to continue storing the audio data currently being played or output, but the audio data storage end key If it is determined that there is an input, the control proceeds to the audio data storage stop step (S5) to stop the audio data storage. After the audio data storage stop step S5 is performed, the process proceeds to the number designation request message output step S6, where the user outputs a message for assigning a number to the audio data temporarily stored in the audio data storage step S3.

If the user designates a number during the numbering request message output step S6 and the user designates a number, the audio data temporarily stored in the audio data storage step S3 is stored in the storage location of the designated number. Stored.

That is, if a video is being played and the video cassette is loaded and the user inputs the playback mode key through the key input unit 16, the microcomputer 12 outputs a motor driving control signal to the capstan motor 20 and the capstan motor 20. Drives the reel 19. Then, the video tape 1 is released from the supply reel 18 and proceeds along the head drum 3, and the video signal recorded on the video tape 1 is reproduced in the video head 2 and input to the video signal processing unit 7. do. At the same time, the audio signal reproduced by the audio head 5 is input to the audio signal processing section 9.

On the other hand, if a television broadcast is being watched, the tuner unit 15 inputs the audio signal and the video signal obtained by demodulating and amplifying the received television broadcast radio wave to the audio signal processor 9 and the video signal processor 7, respectively.

In this way, the video signal input to the video signal processor 7 during video playback or television viewing is processed as a video signal and output through the display 6, and the audio signal input to the audio signal processor 9 is an audio signal processor. Is output through the speaker (8).

At this time, if the user inputs the audio data storage key to the microcomputer 12 through the key input unit 16, the microcomputer 12 outputs the audio storage control signal to the audio signal processing unit 9 to display the audio signal processed audio signal. The A / D converter 10 converts the input audio signal into digital audio data and inputs it to the audio RAM 11. While the audio data is input to the audio RAM 11, the microcomputer 12 determines whether the audio data end key is input through the key input unit 16, and if it is determined that the audio data end key is not input, the audio RAM 11 is input. Will continue to store the incoming audio data. However, when it is determined that the audio data end key is input, the microcomputer 12 outputs the audio storage stop control signal to the audio signal processor 9 to stop the output of the audio signal to the A / D converter 10.

Then, the microcomputer 12 outputs the OSD character generation control signal to the OSD unit 14 to generate the OSD character for instructing the user to number the audio data temporarily stored in the audio RAM 11. The characters generated in the OS unit 14 are output to the display 6. When the user inputs a designated number to the microcomputer 12 through the key input unit 16 according to the message output on the display 6, the microcomputer 12 stores the audio data temporarily stored in the audio RAM 11. Save to the input number of the corresponding location.

On the other hand, after performing the number specifying step (S7) or, if it is determined that there is no audio data storage key input in the audio data storage key input determination step (S2), proceeds to the audio data playback key input determination step (S8) and the audio data playback key is Determine whether it is input. If it is determined in the audio data reproduction key input determination step (S8) that there is an audio data reproduction key input, the flow proceeds to the number input request message output step (S9) and outputs a message for the user to input the number of audio data to be reproduced. do.

After the number input request message output step S9 is performed, the process proceeds to the audio data reproducing step S10. The audio data corresponding to the number input by the user is reproduced and output through the speaker.

That is, the microcomputer 12 determines whether there is an audio data reproduction key input through the key input unit 16, and if it is determined that there is audio data reproduction key input, the microcomputer 12 outputs an OSD character generation control signal to the OSD unit 14 to allow the user to input the audio data reproduction key. An OSD character is generated that prompts the user to input an audio data number to be reproduced with the audio data, and the character generated in the OSD 14 is output to the display 6.

When the user inputs the number of audio data to be reproduced in accordance with the message output on the display 6 to the microcomputer 12 through the key input unit 16, the microcomputer 12 inputs the number of the audio data to the audio RAM 11 with the number of the audio data. An output control signal is sent to output corresponding audio data to the D / A converter 13.

In addition, the microcomputer 12 outputs a control signal to the audio signal processor 9 to output the audio signal converted from the D / A converter 13 into an analog audio signal to the outside through the speaker 8.

On the other hand, if after performing the audio data reproduction step (S10) or if it is determined that there is no audio data reproduction key input in the audio data reproduction key input determination step (S8), the audio dubbing key input determination step (S11) proceeds to the audio dubbing key input Determine if there is. If it is determined that there is no audio dubbing key input in this audio dubbing key input determination step (S11), if it is determined that there is an audio dubbing key input, it proceeds to the number input request message output step (S12) and the audio to be played by the user. Print a message to enter the number of the data.

The audio dubbing step S13 then proceeds to record audio data corresponding to the number input by the user in the audio track of the video tape. During the audio dubbing step S13, the process proceeds to the audio dubbing end key input determination step S14 to determine whether there is an audio dubbing end key input. If it is judged that there is no audio dubbing end key input in this audio dubbing end key input determination step (S14), the process returns to audio dubbing step S13 to continue recording audio data on the audio track of the videotape, but audio dubbing end key input determination step If it is determined in S14 that the audio dubbing end key is input, the process proceeds to the audio dubbing stop step S15 to stop the audio dubbing and ends.

That is, the microcomputer 12 determines whether there is an audio dubbing key input through the key input unit 16, and if it is determined that there is an audio dubbing key input, the microcomputer 12 outputs an OSD character generation control signal to the OSD unit 14 to allow the user to perform the operation. An OSD character is generated to input the number of the audio data to be dubbed, and the character generated in the OSD 14 is output to the display 6.

When the user inputs the number of the audio data to be dubbed to the microcomputer 12 through the key input unit 16 according to the message output on the display 6, the microcomputer 12 inputs the number of the audio data to the audio RAM 11. An output control signal is sent to output corresponding audio data to the D / A converter 13.

The microcomputer 12 outputs a control signal to the audio signal processor 9 to process the audio signal converted into an analog audio signal by the D / A converter 13 and outputs the audio signal to the audio head 5. At this time, when the microcomputer 12 outputs a control signal to the capstan motor 20 to drive the winding reel 19, the video tape 1 is released from the supply reel 18 to proceed to the audio head 5. Immediately before the tape 1 reaches the audio head 5, the audio signal recorded in the audio track of the video tape 1 is erased while passing through the audio erasing head 4.

The audio signal output from the audio signal processor 9 while passing through the audio head 5 is recorded in the audio track. The audio signal recorded on the audio track and output from the audio signal processor 9 is also output through the speaker 8.

On the other hand, while the audio signal is being recorded on the audio track of the video tape 1, the microcomputer 12 determines whether the audio dubbing end key has been input through the key input unit 16, and determines that the audio dubbing end key has not been input. The audio signal output from the audio signal processing section 9 is continuously recorded in the audio track and simultaneously output through the speaker 8.

However, when it is determined that the audio dubbing end key is input, the microcomputer 12 outputs a control signal to the audio RAM 11 to stop the output of the audio data. The microcomputer 12 also outputs a control signal to the audio signal processor 9 to stop audio dubbing, and also stops the output of the speaker 8.

The present invention improves the functionality of the system as the user can store the audio data currently output through the speaker and play the stored audio data or dub the audio tracks of the videotape while watching video or television as described above. It works.

Claims (5)

In the VR which is provided with the audio signal processing part 9 which receives the audio signal read from the audio head 5 or the television broadcasting audio signal, and processes an audio signal and outputs it through the speaker 8, The A / D converter 10 converts the audio signal processed by the audio signal processing unit 9 into digital audio data form, and stores the audio data converted into digital form by the A / D converter 10. An audio RAM 11, a microcomputer 12 for controlling the entire system including control of a function of storing audio data in the audio RAM 11 and playing and dubbing the stored audio data; and the audio RAM 11 V / D converter 13 for converting the digital audio data stored in the digital audio data into an analog audio signal to the audio signal processor (9) is provided. If there is an audio data storage key input while a video playback or a television broadcast is output, an audio data storage process (P1) for storing the currently output audio data and assigning a number to the data is performed, and this audio data storage process (P1) is performed. If there is an audio data play key input later, a stored audio data reproducing process (P2) for requesting the input of the number of stored audio data and outputting the stored audio data corresponding to the input number through the speaker (P1), and this stored audio data reproducing process (P1) Audio data, characterized in that an audio dubbing process (P3) is performed to request input of a number of stored audio data and to record stored audio data corresponding to the input number to an audio track of a videotape after performing audio dubbing key input. Control of VRC with save function Law. The audio data storage key input determination step (S2) according to claim 2, wherein the audio data storage process (P1) determines whether there is an audio data storage key input in an initial state (S1) where a video broadcast or a television broadcast is output. ), An audio data storage step (S3) for temporarily storing audio data currently being played or output if it is determined in the audio data storage key input determination step (S2), and the audio data storage step (S3) The audio data storage end key input determination step (S4) for determining whether there is an audio data storage end key input during the operation, and the audio data storage end key input determination step (S4) determine that there is an audio data storage end key input. Stops storing the audio data, and stops storing the audio data (S5). A numbering request message outputting step S6 for outputting a message for the user to assign a number to the audio data temporarily stored in the audio data storing step S3 after performing the data storing stopping step S5; If the user designates a number during the message output step (S6), the audio data storage step (S3), characterized in that the numbering step (S7) for storing the audio data temporarily stored in the storage location of the specified number A control method of VRC having a data storage function. 3. The audio data reproducing key input determination step (S8) according to claim 2, wherein the stored audio data reproducing step (P2) determines whether or not an audio data reproducing key is input after performing the number specifying step (S7). A number input request message output step S9 for outputting a message for the user to input the number of audio data to be played back if it is determined in the playback key input determination step S8 that the audio data playback key input is made; After the request message output step S9 is performed, audio data reproducing step S10 of reproducing audio data corresponding to the number input by the user and outputting through the speaker is performed. Way. The audio dubbing key input determination step (S11) according to claim 2, wherein the audio dubbing step (P3) determines whether there is an audio dubbing key input after performing the audio data reproducing step (S10), and the audio dubbing key input determination step. If it is determined in S11 that there is an audio dubbing key input, a number input request message output step S12 for outputting a message for the user to input the number of audio data to be reproduced, and this number input request message output step S12. Audio dubbing step (S13) of recording audio data corresponding to the number input by the user after the recording) to the audio track of the videotape; and audio dubbing to determine whether there is an audio dubbing end key input during this audio dubbing step (S13). End audio input dubbing in the end key input determination step (S14) and the audio dubbing end key input determination step (S14). And an audio dubbing stop step (S15) of stopping and dubbing the audio dubbing when it is determined that there is a key input.