KR20010001248A - method of outputting a screen from videotape in TVCR - Google Patents

Abstract

PURPOSE: A method for outputting a video tape screen is provided to store one frame among video tape contents at regular intervals to digitalize or compress the stored frame through a picture-in-picture(PIP) processor, and to output many screens on one or two indexing(multi-screen) screens, thereby automatically performing a fast forwarding up to a frame selected by a user, to replay the selected part. CONSTITUTION: A recording mode compresses a video frame of a representative index screen among screens for being recorded in a video tape in a picture-in-picture(PIP) processor, to make the compressed video frame configure portions of a multi-screen. The recording mode stores the multi-screen in a video storage with VISS data. A replaying mode displays the stored multi-screen to select a part for being replayed, and performs a fast forwarding for the selected part by using the VISS(video index search system) data, then replays the part. When a recording process is completed, the indexing multi-screen is stored in an index part of the video tape from the video storage. The indexing multi-screen of the index part is displayed.

Description

Method of outputting a screen from videotape in TVCR}

The present invention relates to a method of outputting a video tape using a composite television (TVCR). More particularly, when watching a video tape using a TVCR, the user can easily record or record a desired scene from the stored data. In the case of a tape, the present invention relates to a video tape output method using a composite television to easily find a desired part.

A composite television receiver is a so-called TVCR (Video Cassette Recorder) that receives a broadcast signal from a broadcasting station or a signal from a television, records it on a video tape, or reproduces and outputs a signal recorded on a predetermined video tape to a screen. Is mounted on the upper or lower portion of the television.

In FIG. 1, a conventional composite television includes an antenna 1, a tuner 2, an IF amplifier 3, a P / S separation unit 4, a voice detector 5, a voice processor 6, and an audio amplification. A unit 7, a speaker 8, an image detector 9, an image processor 10, a CRT driver 11, a CRT 12, a remote controller 13, a receiver 14, a controller 15, and The VCR 16 is configured. The broadcast signal of the airwave is received by the antenna 1, and the broadcast signal received by the tuner 2 controlled by the control unit 15 is tuned. The IF amplification part 3 generally constitutes a chroma IC to a main IC, and amplifies an intermediate frequency (IF) signal output from the tuner 2, and the P / S separation part 4 includes a surface acoustic wave filter for the intermediate. The frequency IF is divided into an image intermediate frequency PIF and an audio intermediate frequency SIF. The voice detector 5 detects the voice signal from the voice intermediate frequency (SIF), and the voice processor 6 detects the detected voice signal based on the control signal of the controller 15. And outputs a voice signal by performing a voice process such as a volume, and outputs the voice signal by the voice amplifier 7 to the speaker 8. In addition, the image detector (5) detects the image signal from the image intermediate frequency (PIF), and the image processor 10 detects the detected image signal according to the control signal of the control unit 15. The image is displayed on the CRT 12 via the CRT driver 11 by outputting R (Red), G (Green), B (Blue) and luminance (Y) signals corresponding to the image signal. In addition, the remote controller 13 transmits an infrared signal to the viewer for output volume control, channel switching, or remote control of the whole other device, and receives the received signal from the receiver 14 to convert it into an electrical code signal and outputs the signal. The overall apparatus is controlled by the controller 15 in accordance with the electrical code signal.

On the other hand, the audio recording / reproducing section 17 of the VCR 16 records or reproduces the audio signal from the audio processing section 6 on the video tape 21 according to the control signal of the control section 15, so that the audio processing section 6 The video recording / reproducing section 18 records or reproduces the video signal from the video processing section 10 on the video tape 21 by the control signal of the control section 15 and outputs the video signal to the video processing section 10. . The video tape position detection unit 19 detects the position of the video tape 21 and outputs a detection signal corresponding thereto, and the control unit 15 controls the video tape 21 to drive the video tape 21 according to the detection signal. The video tape 21 is driven through the video tape drive unit 20 by the control signal.

However, in the conventional composite television configured and performed as described above, when watching a videotape using a TVCR, a user needs to find a desired portion while watching the tape at high speed in order to find a desired scene among data stored on the tape. In the case of recording a TV screen or the like, it is configured to find a desired scene by playing a designated part using VIS data, but this is also performed while the user is fast forwarding. If you have to wait and find the scene you want at the end, the problem is that you have to find it almost to the end.

Accordingly, the present invention is to solve this problem, and after storing one frame of the video tape content at regular intervals and digitizing and compressing it through the PIP processing unit, one or two indexing screens ( The purpose of the present invention is to provide a method of outputting a videotape using a composite television that can be played by fast forwarding (fast winding) up to this part when the user selects a desired part using the same. It is done.

1 is a block diagram showing an example of a configuration of a general composite television;

2 is a block diagram showing a schematic configuration of a composite television for implementing a video output method of a videotape using a composite television according to an embodiment of the present invention;

3 is a screen diagram illustrating an example of a configuration of an indexing multi-screen according to an embodiment of the present invention;

4 and 5 are flowcharts illustrating a method of outputting a video tape using a composite television according to an embodiment of the present invention.

<Explanation of symbols for main parts of drawing>

10: image processor 11: CRT driver

12: CRT 13: remote control

14 receiving unit 15 control unit

16: VCR 17: audio recording / playback section

18: video recording / playback section 19: video tape position detection section

20: video tape drive unit 21: video tape

31: PIP processing unit 32: image storage control unit

33: image storage unit 34: video tape index unit

According to an embodiment of the present invention, a video tape output method using a composite television includes a recording mode and a video tape which receive a signal from a television receiver and record a video signal and an audio signal on the video tape. A composite television having an integrated VCR having a playback mode for reproducing a video signal and an audio signal recorded on a screen and outputting the same to a screen and a speaker, comprising: an image frame of a representative index picture in a screen in which the recording mode is to be recorded on a videotape. A index screen storing step of compressing by the PIP processing unit to form a part of the indexing multi-screen and storing the indexed image together with the corresponding data; And a screen indexing / playback step in which the playback mode displays the multiple screens stored in the index screen storage step, selects a recording part to be played back, and fast forwards the selected recording part using the corresponding data, and plays back the recording part. It is characterized by.

In this case, the index screen storing step includes an indexing unit recording step of storing the indexed multiple screens from the image storage unit when the recording is completed, in the index unit of the video tape, and the screen indexing / playing step causes the index unit of the video tape to be displayed. By constructing it is also possible to index from the video tape itself.

Through the above configuration, the recorded portion of the tape is stored by one frame according to a predetermined interval or pattern, or by input of a remote control key, and the screen is digitally processed and then composed of multiple screens such as a PIP screen. When the screen is recorded and reproduced, the multi-screen is output as the index screen on the screen so that the cursor displayed on the screen can be selected using the remote controller to automatically move to the designated part at high speed, so that the desired part can be quickly played.

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

FIG. 2 is a block diagram showing a composite television for implementing a videotape output method using a composite television according to an embodiment of the present invention. The composite television is configured using the composite television of FIG.

In FIG. 2, the composite television according to an exemplary embodiment of the present invention includes a PIP processor 31, an image storage controller 32, and an image storage unit 33. It is also possible to use, but preferably includes an indexing screen key 13 '.

The PIP processing unit 31 digitizes and compresses the video signal from the video processing unit 10, and the video storage control unit 32 stores the compressed video signal so as to configure a predetermined indexing multi-screen. 33) and output from the image storage unit 33.

In addition, the index unit 34 may be provided on the video tape 21 to store the indexed multiple screen stored in the image storage unit 33 on the video tape 21. It is preferable that such an index section 34 is provided before the first vis data so that an indexing multiple screen can be displayed immediately upon playback of the video tape 21.

In the composite television having the above-described configuration, a video tape output method using a composite television according to an embodiment of the present invention is characterized by multi-screen indexing an image frame of a representative index screen among the screens to be recorded on the video tape 21. In the recording mode, an index screen storing step of compressing the PIP processing unit 31 and storing the video data in the image storage unit 33 with the corresponding data is included in the recording mode, and the multiple screens stored in the index screen storing step are included in the recording mode. The playback mode includes a screen indexing / playback step of fast forwarding the selected recording part by using the corresponding data by selecting the recording part to be displayed and played back.

In addition, the index screen storing step may include an indexing unit recording step of storing the indexed multiple screen from the image storage unit 33 in the index unit 34 of the video tape 21 when recording is completed. The screen indexing / playback step is configured to display the index unit 34 of the video tape 21.

A detailed example of the video output method of the video tape including the above configurations will be described with reference to FIGS. 3 to 5.

In FIG. 3, the indexed multi-screen is a single screen, in which a compressed screen corresponding to a portion to be displayed from the first vista data, and a compressed screen corresponding to a portion to be displayed from the ninth vista data are left to right, top to bottom. The screen is divided into nine sections and displayed.

In FIG. 4, the recording mode includes detecting an input of an indexing screen key. This step is performed to select the display method of the videotape of the present invention and the indexing screen to be stored. The step is omitted, and the recording is performed at the time of selecting the recording key, at the time of changing the pattern that changes the pro at regular intervals, or It is also possible to automatically perform a predetermined screen is stored upon detection of a certain pattern, such as the start of a pro.

When the input of the indexing screen key 13 'is detected during recording in the recording mode, the image frame at that time is digitized by the control unit 15 and the PIP processing unit 31 and compressed, and the image of the compressed image frame is thus compressed. The signal is stored by the control unit 15 and the image storage control unit 32 in a predetermined position of the image storage unit 33 to form an indexed multiple screen. At this time, the vis data of the part where the video is recorded is also stored.

Then, if it is determined that the recording is completed and recording, the above steps are repeated, and when the recording is completed, rewind the video tape 21 to the index unit 34, and the indexing multi-screen stored in the image storage unit 33 Is recorded together with the vis data in the index unit 34 through the image processing unit 10 and the image recording / reproducing unit 18. Once the indexing multi-screen has been recorded, it completes the recording mode and returns to standby, waiting for the next step.

The image screen thus aired is indexed and recorded. Then, when the playback mode is selected, the screen indexing / reproducing step configured as shown in FIG. 5 is performed simultaneously with the playback.

That is, it is judged whether or not the indexing screen key 13 'is input while playing in Fig. 5, and it is judged whether or not the video tape 21 is located in the middle by whether or not the data is zero. Rewind at 34 at high speed. Then, if the visdata is zero, the playback step is performed so that the indexed multi-screen is played back as shown in FIG.

While the indexed multi-screen is being played for a predetermined time, when the cursor is moved and one of the indexed multi-screens is selected, the control unit 15 reads the vista data of the selected screen, and the video tape 21 is read. The recording portion is wound at high speed, and then the desired recording portion is reproduced by performing the playback step.

The process after the recording part is reproduced as described above is the same as before, but the above process is repeated when the indexing screen key 13 'is re-entered.

It may also be configured to display the indexing multiple screen directly from the image storage unit 33. In this case, the number of indexing multi-screens is limited according to the amount of memory of the image storing unit 33, and the video tape 21 and data for identifying the indexing multi-screens must be stored separately.

As described above, although the video output method of the videotape according to the preferred embodiment of the present invention is described and illustrated, only the playback mode is used for the videotape 21 recorded with the predetermined indexing type. It includes, and the recording mode may be changed / changed in various ways, such as may be configured as conventional.

According to the configuration and operation of the video output method of the video tape using the composite television according to the embodiment of the present invention described above, the index unit 34 to the image storage unit along with the vis data of the recorded portion of the tape by about one frame It is stored as an indexing multi-screen at (33) and moves automatically and at high speed by selecting a desired recording portion from the index screen during playback, so that the user can play the desired part quickly, and does not need to search for a long time. Has the effect of.

Claims (2)

A recording mode for receiving signals from a television receiver and recording video and audio signals on a video tape 21, and a playback mode for reproducing video and audio signals recorded on a video tape 21 and outputting them to a screen and a speaker. In a composite television integrally comprising a VCR 16 having: PIP processing unit 31 compresses the image frame of the representative index screen among the screens to be recorded on videotape 21 by the PIP processing unit 31 so as to form a part of the multi-screen. An index screen storing step of storing; And a screen indexing / playback step in which the playback mode displays the multiple screens stored in the index screen storage step, selects a recording part to be played back, and fast forwards the selected recording part using the corresponding data, and plays back the recording part. Display method of a video tape using a composite television, characterized in that. The method of claim 1, wherein the storing of the index screen comprises an indexing unit recording step of storing the indexed multiple screen from the image storage unit 33 in the index unit 34 of the video tape 21 when recording is completed. An indexing / playback step of displaying a video tape using a composite television, characterized in that for displaying the indexing multiple screen of the index unit 34 of the video tape (21).