KR20000034585A - Method for recording specific genre by recognizing text, and device therefor - Google Patents

Abstract

PURPOSE: A broadcast recording device for receiving and storing a TV broadcasting program from a broadcasting station on a recording medium is provided. CONSTITUTION: A method for recording a specific genre by recognizing a text sets a text for showing a genre which a user wants to automatically record and a recording time, detects a displayed text by processing an image signal of a received broadcasting signal, and records the received broadcasting signal for the previously-set recording time when the detected displayed text includes the previously-set text. When the user selects the text of the specific genre, although he/she does not select the recording operation every time, the image signal having the corresponding text is automatically recorded for a predetermined time, thereby improving the user's convenience.

Description

Recording method of specific style by character cognition and device for the same

The present invention relates to a recording apparatus (e.g., VCR) capable of recording a television broadcast program. In particular, when a user designates desired information, the present invention recognizes it as a family member and automatically determines whether the user wants to broadcast the contents while the television broadcast is received. The present invention relates to a method and apparatus for recording a specific genre by character recognition for automatically recognizing and broadcasting a desired broadcast by a user.

In general, a VCR is a device for recording a video signal and an audio signal on a magnetizable video tape, and reproducing the video signal and a voice signal if necessary to view the video signal through a display means such as a CRT or a TV. As shown in FIG.

Referring to the configuration shown in FIG. 1, the process of recording / reproducing the received color video signal will be briefly described as follows.

First, in the case of recording, the color image signal input through the low pass filter LPF and the high pass filter HPF is separated into a luminance signal and a carrier color signal, and the separated luminance signal is FM-modulated and amplified. In addition, the separated carrier color signal has a frequency characteristic of 3.58 MHz, which is converted to a low frequency band of 767 kHz (exactly 767.0473 kHz) and amplified to a predetermined size. Thereafter, the luminance signal modulated by the FM in the mixing circuit is superimposed on a low level signal state and recorded on the tape through the video head.

On the other hand, during playback, the information recorded on the tape is accessed through the video head, and the weak signal is amplified to a predetermined size through the amplifier. The amplified signal is separated into an FM modulated luminance signal and a carrier color signal converted into a low frequency band through a low pass filter (LPF) and a high pass filter (HPF). Thereafter, the FM modulated luminance signal is restored to the original luminance signal through the FM demodulation circuit, and the carrier color signal converted to the low frequency band is inversely converted from the low frequency band of 767 kHz to the original frequency band of 3.58 MHz. At the same time, time-base fluctuations (i.e., jitter components) of the signal generated during reproduction are eliminated. Thereafter, the luminance signal and the carrier color signal are mixed through the mixing circuit to be restored to the original video signal.

Since the reproducing process of the above-described process is the reverse process of the recording process, referring to FIG.

FIG. 2 illustrates a video signal change process of recording a video signal in the accompanying FIG. 1 in the case of an NTSC video signal.

The overall configuration of the conventional image recording / reproducing apparatus to which the recording / reproducing technique of the video signal is applied is as shown in FIG.

The conventional image recording / reproducing apparatus (hereinafter referred to as VCR) shown in FIG. 3 includes a microcomputer 600 for controlling overall operation of the VCR by manipulation of the keypad 900C or the remote controller 900B, and the microcomputer 600. Memory 500 for storing data to be processed in the tuner, a tuner 100 for receiving a broadcast signal of a channel selected by the preset voltage output from the microcomputer 600 from the antenna ANT, and the tuner ( The IF detector 200 detects the intermediate frequency from the broadcast signal received at 100, and the video tape (cassette) mounted on the video technology is operated according to the operation control signal output from the microcomputer 600. A recording unit 300 for recording a signal output from the IF detector 200 through H) and an operation according to an operation control signal output from the microcomputer 600 (generally recoil with respect to the recording unit 300). And are seated on the video The reproduction unit 400 accesses and outputs a signal recorded on a video tape (cassette) through the head H, and receives the character information output from the microcomputer 600 so as to receive and output the image information. OSD processing unit 700 for outputting a character image, and a signal processing unit for processing the signal output from the playback unit 400 and the jitter output from the OSD generation unit 700 to deliver to the TV or CRT side ( 800).

In this case, detailed configurations of the recording unit 300 and the reproducing unit 400 are as shown in FIG. 1, and since the overall operation is a general operation, detailed description thereof will be omitted.

Referring to the process of recording a television broadcast in the conventional VCR configured as described above are as follows.

When the user wants to record a specific television broadcast program, the user should be aware of the channel that can receive the broadcast program that he / she wishes to record, and the start time and end time of the program.

Thereafter, the user stores the stored information in the memory 500 through the manipulation of the keypad 900C or the remote controller 900A, and the microcomputer 600 starts the corresponding program based on the information stored in the memory 500. It is determined whether the time has passed through timer counting, and when the start time of the corresponding program is reached, the tuner 100 and the recording unit 300 are operated so that the broadcast received through the antenna is placed on the video tape (cassette). Will be recorded.

In addition, when it is determined that the end time of the program is reached by counting the end time, the microcomputer 600 stops the operation of the tuner 100 and the recording unit 300.

However, the above-described operation is usually a method in which a user watches a regular broadcast program and reserves a recording, and when a user watches a television broadcast and the broadcast program is his or her favorite broadcast program, a recording request must be made. If you concentrate on video recording, you can't record much.

Therefore, the user has been presented with the inconvenience of having to request a recording request from time to time while watching a broadcast program.

An object of the present invention for solving the above problems is that if the user designates the desired information, it is recognized as a kind and automatically recognizes whether the user wants to broadcast the content while receiving the television broadcast, and automatically broadcasts it if the user wants. The present invention provides a method and apparatus for recording a specific genre by character recognition for recording for a predetermined time.

1 is a partial configuration example of a general VCR for explaining a process of recording and reproducing a video signal

FIG. 2 is an exemplary diagram for describing a video signal recording method when a video signal is stored in a video tape using the configuration of FIG. 1. FIG.

3 is a schematic overall block diagram of a conventional VCR

4 is a schematic overall block diagram of a VCR according to the present invention;

5 is a flowchart illustrating a specific genre recording process by character recognition according to the present invention.

<Description of the symbols for the main parts of the drawings>

ANT: Antenna 900C: Keypad

900B: Remote Controller 600: Micom

500: memory 100: tuner

200: IF detector H: head

300: recording unit 400: playback unit

700: OSD generator 800: signal processor

1000: image memory 1100: comparison unit

1200: document storage unit 1300: document recognition unit

A feature of the present invention for achieving the above object is a method of operating in a broadcast recording apparatus for receiving a television broadcast program transmitted from a broadcasting station and storing it in a magnetizable recording medium, the genre of which a user desires automatic recording. A first step of setting a character and a corresponding recording time, a second step of searching for a displayed character by processing an image signal of a received broadcast signal, and the first step of display characters retrieved through the second step Recording the broadcast signal received during the recording time set in the first step if it is determined that there is a set character among the characters displayed through the third step; It includes the fourth step.

Another feature of the present invention for achieving the above object is an IF detector for detecting an intermediate frequency in the received broadcast signal, a recording unit for recording the signal output from the IF detector in any storage means and the storage means A recording apparatus including a reproducing section for accessing and outputting a recorded signal, comprising: a character storage section for storing a specific character input according to a user's operation, and a video signal transmitted from the IF detection section to the recording section; FIFO-type image memory for receiving and storing, a character recognition unit for detecting and recognizing a character in the image signal stored in the image memory, and the data output from the character recognition unit are compared with the characters stored in the and character storage units. A comparison unit for determining whether the same character and the comparison value generated by the comparison unit In this case, the recording unit includes a microcomputer for receiving and recording contents stored in the image memory.

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

4 is a schematic overall block diagram of a VCR according to the present invention. In the microcomputer 600 and the microcomputer 600 which control the overall operation of the VCR by manipulation of the keypad 900C or the remote controller 900A. A memory 500 for storing data to be processed, a tuner 100 for receiving a broadcast signal of a channel selected by a preset voltage output from the microcomputer 600 from an antenna ANT, and the tuner 100. The IF detector 200 detects the intermediate frequency from the broadcast signal received at the head, and the head H is connected to the video tape (cassette) mounted on the video technology, operating according to the operation control signal output from the microcomputer 600. The recording unit 300 for recording the signal output from the IF detector 200 and the operation according to the operation control signal output from the microcomputer 600 (usually recoil with respect to the recording unit 300) and the Settled in video tech A playback unit 400 for accessing and outputting a signal recorded on a video tape (cassette) through the head H, and receiving character information output from the microcomputer 600 and outputting the image information. The OSD generator 700 for outputting a text image, the signal output from the playback unit 400, and the signal processor 800 for processing the signal output from the OSD generator 700 and transmitted to the TV or CRT side. ), A character storage unit 120 for storing a specific character input according to a user's operation under the control of the microcomputer 600, and an image signal transmitted from the IF detector 200 to the recording unit 300. The FIFO-type image memory 1000 for receiving and storing an image, a character recognition unit 1300 for detecting a character from a video signal stored in the image memory 1000, and data output from the character recognition unit 1300. The and character storage unit (1 Compared with the characters stored in the character 200, it is determined whether the same character exists, and if it is determined that the same character exists, the recording unit 300 stores the contents stored in the image memory 1000 by inputting the corresponding signal to the microcomputer 600. Comparing unit 1100 to receive and record the input is large.

In this case, detailed configurations of the recording unit 300 and the reproducing unit 400 are as shown in FIG. 1, and since the overall operation is a general operation, detailed description thereof will be omitted.

Referring to Figure 5 attached to the preferred operation example according to the reservation recording process of the VCR according to the present invention configured as described above are as follows.

In step S101, the user sets a character representing his / her favorite genre for which automatic recording is desired by operating the keypad 900C or the remote controller 900A, and sets the recording time accordingly. For example, set the character "Go" and set the recording time of "50 minutes". At this time, the set character "Go" is stored in the character storage unit 1200.

Thereafter, the microcomputer 600 determines whether the television or the TVCR is currently receiving the broadcast through the process of step S102. If it is determined that the broadcast reception operation is being performed, the microcomputer 600 proceeds to step S103 and the IF detector 200 Is detected by the FIFO type image memory 1000 storing the image signal transmitted to the recording unit 300 and the character recognition unit 1300 which detects and recognizes a character in the image signal stored in the image memory 1000. Characters appearing in the received video signal are recognized and the data recognized in the step S103 is compared with the characters stored in the character storage unit 1200 through the process of step S104 to determine whether they are the same.

If it is determined in step S104 that it is the same, in step S105 it is determined whether the threshold time of the recording time set by the user in the step S101 has elapsed through the process of step S106 while recording the received broadcast program. Recording is performed until

By providing a method and apparatus for recording a specific genre by character recognition according to the present invention operating as described above, even if the user does not select recording every moment, if the user selects a character of a specific genre desired for recording, the corresponding character is added to the video signal. If there is, it will be automatically recorded for a certain time for user convenience.

While the invention has been shown and described with respect to particular embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention as set forth in the claims. Anyone can see it easily.

Claims (2)

A method of operating in a broadcast recording apparatus for receiving a television broadcast program transmitted from a broadcasting station and storing the same on a magnetizable recording medium, A first step of setting a character representing a genre for which the user desires automatic recording and a recording time according thereto; A second step of processing a video signal of a received broadcast signal and searching for a displayed character; A third step of determining whether there is a character set in the first step among the display characters searched through the second step; And And a fourth step of recording a broadcast signal received during the recording time set in the first step, if it is determined that there is a set character among the characters displayed through the third step. Genre recording method. IF detector 200 for detecting the intermediate frequency from the received broadcast signal, recording unit 300 for recording the signal output from the IF detector 200 in any storage means and the signal recorded in the storage means In the recording apparatus having a playback unit 400 for accessing and outputting A character storage unit 120 for storing a specific character input according to a user's operation; A FIFO type image memory (1000) for receiving and storing an image signal transmitted from the IF detector (200) to the recording unit (300); A character recognition unit 1300 which detects and recognizes a character in an image signal stored in the image memory 1000; A comparison unit (1100) for comparing the data output from the character recognition unit (1300) with the characters stored in the character storage unit (1200) and determining whether they are the same; And If it is determined that the same character exists by receiving a comparison value generated by the comparison unit 1100, the recording unit 300 includes a microcomputer 600 for receiving and recording contents stored in the image memory 1000. A specific genre recording apparatus by character recognition, characterized in that.