KR19990016724A - Aspect ratio type recording device when recording a wide vision program - Google Patents

Abstract

According to the present invention, when receiving and recording a heterogeneous broadcast program, an external vision broadcast that records the currently recorded broadcast program using the CTL pulse on the recorded video tape to automatically switch to the wide vision state during playback. A method and apparatus for recording aspect ratio type during program recording, comprising: a first process of determining whether a screen type of a broadcast program of a currently received channel is a wide vision in performing a recording function of a broadcast program; and the first process The second process of generating CTL pulses of different logic states according to the wide vision or not, and storing the currently received broadcast program in an audio track and a video track of a video tape, and generating the CTL pulses in the second process. A third to store pulses on the control track of the videotape The present invention relates to a time recording method and apparatus according to the recording of a broadcast program comprising a process.

Description

Aspect ratio type recording device when recording a wide vision program

The present invention relates to a TVCR that integrates a television receiver (hereinafter referred to as a TV) and a video cassette recorder (hereinafter referred to as a VCR). Particularly, when receiving and recording heterogeneous broadcast programs, the recorded video shows that the currently recorded broadcast program is a wide vision. The present invention relates to an aspect ratio type recording apparatus for recording an external vision broadcast program that uses a CTL pulse on a tape to automatically switch to a wide vision state during playback.

In general, an image recording / reproducing apparatus (hereinafter referred to as a VCR) is a device for recording a video signal and an audio signal on a magnetizable video tape and reproducing it when necessary to view it through a display means such as a CRT or a TV. The phosphorus configuration is as shown in FIG.

The conventional VCR shown in FIG. 1 includes a microcomputer 600 which generally controls the operation of the VCR by manipulation of the keypad 900C or the remote controller 900B, and stores data to be processed by the microcomputer 600. The tuner 100 receives a broadcast signal of a channel selected by the tuner voltage output from the microcomputer 600, the tuner 100 from the antenna ANT, and the broadcast signal received from the tuner 100. IF detector 200 for detecting a frequency, and a video tape (cassette) that is operated in accordance with the operation control signal output from the microcomputer 600, the video detector (cassette) seated in the video technology through the head (H) A recording unit 300 for recording a signal output from the 200 and an operation control signal output from the microcomputer 600 (generally recoil with respect to the recording unit 300), and the video mounted on the video tech Tape (cassette) OSD for outputting a corresponding character image to receive the output information through the playback unit 400 to access the recorded signal through the head (H) and output the character information output from the microcomputer 600 It is largely composed of a generator 700, a signal processor 800 for processing the signal output from the playback unit 400 and the jitter output from the OSD generator 700 to pass to the TV or CRT side. .

That is, the VCR configured as described above, when the viewer operates the key input unit 220 and selects a broadcasting channel of the TV to be watched in the state where power is applied, the microcomputer 200 recognizes the selected channel voltage corresponding thereto. It generates and applies to the tuner 100. Accordingly, the tuner 100 receives the broadcast signal of the broadcast channel selected by the tuning voltage generated by the microcomputer 200 from the free space through the antenna ANT to the image processor 300 and the audio processor (not shown). Input the broadcast signal.

Thus, the image processor 300 inputs the processed image signal to the image amplifier 320 by processing only the image signal from the broadcast signal input from the tuner 100 by the control signal of the microcomputer 200. That is, the image amplification unit 320 amplifies the video signal to a level that can be displayed on the screen of the CRT 400 and supplies the image signal to the CRT 400 so that the video signal transmitted from the broadcasting station to the free space is displayed on the screen. Make sure you can watch the signal.

In this case, the vertical / horizontal synchronization processor 340 deflects the image signal displayed on the screen of the CRT 400 in the vertical direction and the horizontal direction based on the vertical synchronization signal and the horizontal synchronization signal processed by the image processor 300. In addition, when the viewer operates the key input unit 220 to select the VCR mode to watch the VCR with the TVCR, the viewer receives the deck from the recording medium through the deck 600 by a control signal processed by the system controller 500 associated with the microcomputer 200. The video signal reproduced by reproducing the video / audio signal is processed by the video processor 300.

Accordingly, the image processor 300 processes the image signal reproduced and input from the deck 600 by the control signal of the microcomputer 200, amplifies the image signal to a predetermined level through the image amplifier 320, and displays the image on the CRT 400 screen. The reproduced video signal is displayed.

Since the TVCR operating as described above simply records the broadcast program received through the corresponding channel on the date selected by the user, the heterogeneous aspect ratio, that is, in the case of the wide vision, is recorded as it is not recognized correctly, so There is a problem that the user must match the new aspect ratio because the aspect ratio is not correct.

An object of the present invention for solving the above problems is that when receiving and recording a heterogeneous broadcast program, a wide vision is automatically recorded and reproduced using CTL pulse on a recorded video tape when the currently recorded broadcast program is a wide vision. It is to provide an aspect ratio recording apparatus for recording an external vision broadcast program to be switched to the state of.

1 is a block diagram schematically showing the configuration of a typical TVCR

2 is a simplified configuration example of a TVCR to which the aspect ratio recording method is applied when recording a broadcast program according to the present invention.

3 is an exemplary diagram of information storage track of a general video tape;

4 is an exemplary diagram of a CTL pulse for recording information on a control track;

5 is an operation flowchart of aspect ratio type recording according to the present invention.

* Explanation of symbols for the main parts of the drawings

10: tuner 20: micom

30: IF detector 40: Chroma

50: CRT drive unit 60: amplification unit

70: CTL processing unit 80: Y / C processing unit

90: sound processing unit 600: deck unit

SP: Speaker ANT: Antenna

20A: WSS detector

A feature of the present invention for achieving the above object is that the Y / C processing unit 80 and the sound processing unit 90 are placed on the audio track and the video track of the video tape which are mounted on the deck. A broadcast program recording apparatus, comprising: an aspect ratio detecting means for detecting whether a video of a broadcast program currently received according to a control signal is a wide vision, and a CTL processing unit (70) for converting and supplying supplied information into information of a CTL pulse; And the data output from the Y / C processing unit 80 and the sound processing unit 90 to the audio track and the video track of the video tape, and the CTL pulse output from the CTL processing unit 70 to the control track. The video deck unit and the detection information output from the aspect ratio detection unit are received and read, and then the CTL processing unit 70 is controlled to control the wide ratio. It is used to include a microcomputer 20 that outputs a CTL pulse which corresponds to a particular logic with and without.

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

FIG. 2 is a diagram illustrating a simplified TV configuration to which a time recording method is applied when recording a broadcast program according to the present invention. The microcomputer 20 generally controls the operation of the TV system and the preset voltage output from the microcomputer 20. A tuner 10 for receiving the broadcast signal of the channel selected by the antenna ANT, and an IF detector for detecting an intermediate frequency from the broadcast signal received by the tuner 10 and outputting a composite video signal CVBS ( 30) a chroma IC 40 that receives the composite video signal output from the IF detector 30, processes the video and audio signals separately, and outputs the separated video and audio signals, and the chroma IC 40. An amplification unit 60 for receiving and amplifying the audio signal output from the amplification unit and providing the amplified audio signal to the speaker SP, and a CRT driving unit 50 for receiving a video signal processed and output from the chroma IC 40 and displaying the same on a CRT Wow, of the microcomputer 20 And a deck unit 600 for recording and storing the information inputted on the video tape seated thereon, and the luminance and color signals so that the video signal output from the chroma IC 40 can be received and recorded on the video tape. A Y / C processing unit 80 for processing, an audio processing unit 90 for receiving a voice signal output from the chroma IC 40, and processing the signal to be recorded on a video tape; 30) under the control of the WSS detection unit 20A and the microcomputer 20 to detect whether the broadcast currently being received is a wide vision by receiving the composite video signal output from the 30) It is composed of a CTL processing unit 70 for changing the information on the CTL pulse and transmits to the deck unit 600.

Referring to Figure 3 attached to the preferred operation of the TV according to the present invention configured as described above are as follows.

First, in the VHS VCR, the head is configured to be inclined at a predetermined angle. As shown in FIG. 3, one field of video is recorded on one video track while rotating along the inclination angle of the inclined head. The data is saved.

In this case, various control information is stored in a control track in the form of a CTL pulse. In this case, the shape of the CTL pulse is the same as shown in FIG. To distinguish between rows. 4 illustrates a case in which logic high and low are classified according to whether the ratio of the duration of the low state to the duration of the high state is 1: 2 or 2: 1. .

5 is a flowchart illustrating an operation of time recording during broadcast recording of a time correction channel according to the present invention.

In step S101, the microcomputer 20 determines whether to perform a control operation according to recording. If it is determined that the recording operation should be performed, the microcomputer 20 proceeds to step S102.

In step S102, the microcomputer 20 receives a signal output through the WSS detection unit 20A and determines whether the broadcast program currently received is a wide vision. In this case, when the microcomputer 20 determines that the signal output through the WSS detection unit 20A is not wide vision, the microcomputer 20 proceeds to step S104 and the CTL pulses output from the CTL processing unit 70 can be output as logic 1. To control.

On the other hand, if the microcomputer 20 determines that the signal output through the WSS detection unit 20A is a wide vision and proceeds to step S103, the CTL pulse output from the CTL processing unit 70 may be output as logic 0. To control.

Thereafter, in step S105, the Y / C processing unit 80 and the sound processing unit 90 are operated so that the video and audio signals output from the chroma IC 40 can be stored in the video tape seated on the deck unit 600. FIG. The data input by the control of the microcomputer 20 is recorded in the respective tracks.

Therefore, when the CTL signal stored in the control track is read later and read as being in a logic 0 state, the basis for performing the automatic aspect ratio matching operation is made.

Providing an aspect ratio type recording apparatus when recording an external vision broadcast program according to the present invention operating as described above enables the user to make a basis for automatically matching the aspect ratio of a playback screen without an aspect ratio matching operation.

Claims (1)

In the broadcast program recording apparatus for storing the broadcast program received through the tuned broadcast channel in the audio track and the video track of the video tape on the Y / C processing unit 80 and the sound processing unit 90 is mounted on the deck, Image ratio detecting means for detecting whether a video of a broadcast program currently received according to a control signal is a wide vision; A CTL processing unit 70 for converting the supplied information into information of a CTL pulse and outputting the converted information; A video deck for storing data output from the Y / C processing unit 80 and the sound processing unit 90 in an audio track and a video track of a video tape, and simultaneously storing CTL pulses output from the CTL processing unit 70 in a control track. part; And And a microcomputer 20 for receiving and reading detection information output from the aspect ratio detecting means and controlling the CTL processing unit 70 to output a CTL pulse corresponding to a specific logic according to whether wide vision is present. The aspect ratio recording device when recording a broadcast program.