JP2003179855A - Video recording controller, video recording control method used for the same, and program thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video recording controller capable of suppressing unnecessary recording of a video image such as a CM before start of a program. <P>SOLUTION: A synchronization detection section 11 detects whether or not a video signal from a video receiver 2 includes a synchronizing signal. A video level detection section 14 detects whether or not a signal level of the video signal from the video receiver 2 has a prescribed level or more. A clock 13 outputs time data in the unit of seconds. A video recording section 15 is a VTR or a hard disk recorder or the like for recording video images. A control section 12 controls start of video recording in the video recording section 15 according to a result of detection of the synchronizing signal in the synchronization detection section 11, a result of detection of the video signal in the video level detection section 14, and the time data outputted from the clock 13. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video recording control device and a video recording control method used for the same, and in particular to a BS (B
roadcasting Satellite) ・ CS
(Communication Satellite)
For example, the present invention relates to a method of recording an image of a TV (TV) program by satellite broadcasting such as.

[0002]

2. Description of the Related Art Conventionally, many TV programs are broadcast by satellite broadcasting such as BS / CS. When receiving this type of TV broadcasting, a dedicated set top box (S
A tuner unit called "etTop Box" is required.

In order to record the video signal from the set top box, a TV program is recorded by inputting the video output from the set top box into a video recording device such as a VTR (video tape recorder). . Further, in this set-top box, the power is turned on at the start time of the TV program determined by making a reservation by the electronic program guide.

FIG. 3 shows the configuration of a video recording control device for controlling the video recording as described above. In FIG. 3, a video recording control device 3 is connected to a video receiving device 2 for satellite broadcasting such as terrestrial broadcasting or BS / CS, and the video receiving device 2 receives TV broadcasting and outputs a video signal.

Further, the video recording control device 3 includes a sync detector 31 for detecting whether or not the video signal from the video receiving device 2 includes a sync signal, and a video recording device such as a VTR or a hard disk recorder for recording the video. It comprises a unit 33 and a control unit 32 which starts video recording according to the detection result of the synchronization signal in the synchronization detection unit 31.

In this case, since the video receiving device 2 connected to the external input is turned on according to the preset reservation, the control unit 32 in the video recording control device 3 is used.
The video is recorded in the video recording unit 33 under the control of.

[0007]

However, in the above-mentioned conventional video recording control apparatus, there is a delay from the power-on of the set-top box or the like connected to the external input to the actual start of recording. Therefore, the set top box, etc., is turned on 20 to 30 seconds before the reservation start time, and the target program (reserved program)
However, there is a problem that unnecessary commercial images such as commercial images are recorded before the recording.

Therefore, an object of the present invention is to solve the above problems, and to provide a video recording control device and a video recording control method used therefor, which can prevent the recording of unnecessary video images such as commercials before the start of a program. Especially.

[0009]

A video recording control device according to the present invention is a video recording control device for controlling the start of recording in a video recording device in synchronization with the input of a video signal from an external video receiving device. Control means is provided for suppressing video recording before the start of the program in consideration of time data as a condition for starting the recording.

A video recording control method according to the present invention is a video recording control method for controlling the start of recording to a video recording device in synchronization with the input of a video signal from an external video receiving device, wherein the recording start condition is satisfied. In consideration of the time data, the step of suppressing video recording before the start of the program is provided.

A program for a video recording control method according to the present invention is a program for a video recording control method for controlling the start of recording to a video recording device in synchronization with the input of a video signal from an external video receiving device, In addition, the process of suppressing the video recording before the start of the program is executed in consideration of the time data as the condition for starting the recording.

That is, the video recording control device of the present invention is
It is characterized in that it is controlled so as not to record an unnecessary image of CM or the like before the start of the program in synchronization with an image signal input from an image receiving device such as a set top box connected to an external input.

More specifically, the video recording control apparatus of the present invention includes a sync detection unit for outputting a detection result as to whether or not a video signal input from the video receiving apparatus includes a sync signal, and A video level detection unit that determines the presence or absence of a video signal depending on how much the signal level exceeds the all-black video signal, and an image according to the time indicated by the clock when the sync signal is detected and there is a video signal. And a control unit for controlling to start the recording of.

The video recording control device of the present invention is configured as described above, and adds a process for synchronizing the start of recording a video signal to the process of determining whether the synchronizing signal or the video signal is input from the outside to the time of the clock. By this, the video receiver is a TV
Even if the power is turned on before the program start time, it becomes possible to accurately record the video from the program start time.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a video recording control device according to an embodiment of the present invention. Figure 1
In, the video recording control device 1 is connected to a video receiving device 2 for satellite broadcasting such as terrestrial broadcasting or BS / CS, and the video receiving device 2 receives TV broadcasting and outputs a video signal.

Further, the video recording control device 1 includes a synchronization detecting section 1
1, a control unit 12, a clock 13, and a video level detection unit 1
4, a video recording unit 15, and a recording medium 16 storing a program executed by the control unit 12.

The synchronization detector 11 detects whether or not the video signal from the video receiver 2 contains a sync signal. The video level detector 14 detects whether or not the signal level of the video signal from the video receiving device 2 is equal to or higher than a predetermined level. The clock 13 outputs time data in units of seconds.

The video recording unit 15 is a VTR or a hard disk recorder for recording video. The control unit 12 controls to start video recording in the video recording unit 15 according to the detection result of the synchronization signal in the synchronization detection unit 11, the detection result of the video signal in the video level detection unit 14, and the time data output from the clock 13. . The control unit 12 is composed of a computer and executes the program stored in the recording medium 16 to perform the above control.

FIG. 2 is a flow chart showing the operation of the video recording control device 1 of FIG. The operation of the video recording control apparatus 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 and 2. The processing shown in FIG. 2 is realized by the computer executing the program stored in the recording medium 16.

If the video signal is not input from the video receiving device 2, the sync detector 11 does not determine that the sync signal is present (step S1 in FIG. 2) or the video level detector 14 detects the video signal. Since it is not determined (step S2 in FIG. 2), recording is not started. In this case, if the video recording unit 15 is currently recording (step S in FIG. 2).
5), the control unit 12 stops the recording (step S6 in FIG. 2).

On the other hand, when the video receiver 2 is turned on according to the program reservation and the video signal is input from the video receiver 2, the sync detector 11 determines that the sync signal is present (step S1 in FIG. 2). When the video level detection unit 14 determines that a video signal is present (step S in FIG. 2).
2), the control unit 12 enters a standby state for recording the video signal.

The control unit 12 waits until the second of the time data from the clock 13 becomes 0 (step S4 in FIG. 2) and then controls the recording of the video signal in the video recording unit 15 (FIG. 2). 2 step S5). That is, the control unit 12
Is the detection result of the synchronization signal in the synchronization detection unit 11, the detection result of the video signal in the video level detection unit 14, and the clock 13
By controlling to start the video recording in the video recording unit 15 in accordance with the time data output by, the control is performed to suppress the recording of the video signal such as the CM before the start of the TV program.

As described above, the start time of a TV program to be broadcast is often basically organized as "00: 00: 0", and the start of recording is linked with the time data. Therefore, it is possible not to record the video signal before the start of the TV program.

[0024]

As described above, the present invention provides a video recording control device for controlling the start of recording in a video recording device in synchronization with the input of a video signal from an external video receiving device,
By controlling the video recording before the start of the program in consideration of the time data as the recording start condition, it is possible to suppress the recording of unnecessary video such as CM before the start of the program.

[Brief description of drawings]

FIG. 1 is a flowchart showing an operation of a video recording control device 1 of FIG.

FIG. 2 is a block diagram showing a configuration of a video recording control device according to an embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of a video recording control device according to a conventional example.

[Explanation of symbols]

1 Video recording control device 2 Video receiver 11 Sync detector 12 Control unit 13 clock 14 Video level detector 15 Video recording section 16 recording media

Claims (7)

[Claims] 1. A video recording control device for controlling the start of recording to a video recording device in synchronization with the input of a video signal from an external video receiving device, wherein time data is taken into consideration as the condition for starting the recording. A video recording control device comprising control means for suppressing video recording before the start of a program. 2. A synchronization detection means for detecting whether or not the video signal includes a synchronization signal, and a video level detection means for detecting whether or not the signal level of the video signal is equal to or higher than a predetermined level. The control means controls the start of recording to the video recording device based on the detection result of the synchronization detection means, the detection result of the video level detection means, and the time data. The video recording control device according to claim 1. 3. The video recording control device according to claim 1, wherein the video receiving device is a device that receives a video signal of a terrestrial wave or a satellite broadcast. 4. A video recording control method for controlling the start of recording to a video recording device in synchronization with the input of a video signal from an external video receiving device, wherein time data is taken into consideration as the condition for starting the recording. A video recording control method comprising the step of suppressing video recording before the start of a program. 5. A step of detecting whether or not the video signal includes a synchronization signal, and a step of detecting whether or not the signal level of the video signal is equal to or higher than a predetermined level, and detecting these. 5. The video recording control method according to claim 4, wherein the start of recording on the video recording device is controlled based on the result and the time data. 6. The video recording control method according to claim 4, wherein the video receiving device is a device that receives a video signal of a terrestrial wave or a satellite broadcast. 7. A program for a video recording control method for controlling the start of recording on a video recording device in synchronization with the input of a video signal from an external video receiving device, the program comprising:
A program for executing a process of suppressing video recording before the start of a program in consideration of time data as a condition for starting the recording.