KR101235417B1 - Method for restoring deleted broadcasting program material - Google Patents

Abstract

The present invention relates to a method for restoring a deleted broadcast program recording.

According to the present invention, the broadcast receiver deletes a corresponding broadcast program recording recorded in a personal video recorder (PVR) according to a user's recording deletion command, and generates and stores recording deletion information on the deleted recording. When the user commands the restoration of the deleted recording, the broadcast program providing server is requested to restore the recording as the recording deletion information of the recording. The broadcast receiver receives a video / audio stream provided by the broadcast program providing server according to the request through a network and restores the corresponding recording.

Broadcast Receiver, PVR, Recordings, Restoration

Description

Method for restoring deleted broadcasting program material}

1 is a diagram illustrating a broadcast system to which the present invention is applied;

FIG. 2 is a block diagram showing a detailed configuration of the broadcast receiver shown in FIG. 1;

3 is a diagram showing the configuration of recording deletion information according to the present invention;

4 is a diagram showing the configuration of recording object restoration request information according to the present invention;

5 is a flowchart illustrating a method for recovering broadcast program recordings according to the present invention;

6 is a flowchart illustrating a method of managing recording deletion information in the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

100: broadcast station 102,200: broadcast receiver

104,230: Network 106,240: Broadcasting program providing server

The present invention relates to a method for restoring a deleted broadcast program recording.

Recently, broadcast receivers can provide the user with information of a broadcast program to be broadcast in each channel in advance by using EPG (Electronic Program Guide) information provided by a broadcasting station.

Users can check the program information provided by the broadcast receiver and set a scheduled recording for a predetermined broadcast program in the broadcast receiver, and the broadcast receiver has a broadcast program to record using the broadcast program reserved recording information set by the user. Receives a video / audio stream of a corresponding broadcast program at a broadcast time and records the program.

Broadcast receivers tend to embed a personal video recorder (PVR) using a hard disk as a storage means for recording a broadcast program.

Accordingly, the broadcast receivers receive the video / audio stream of the broadcast program to be recorded and record the received video / audio stream in the PVR. In addition, the user can watch the broadcast program by outputting the video / audio stream of the broadcast program recording recorded on the PVR at a desired time as the video / audio signal.

However, in some cases, after a user has recorded a predetermined broadcast program on a PVR provided in the broadcast receiver, the user may delete the broadcast program recordings that he or she did not want to delete by performing collective deletion by an operation mistake.

In addition, in very rare cases, a bad sector may occur on the hard disk, which may cause a recording of a broadcast program stored in the corresponding area to be damaged, thereby causing a situation in which the user does not want to delete it.

Therefore, a method of restoring broadcast program recordings deleted by a user's mistake or a physical error of a storage device needs to be proposed as an additional service in order to provide a user with an improved PVR usage environment.

Accordingly, an object of the present invention is to provide a broadcast program recording method for recovering a broadcast program recording deleted by a broadcast receiver.

In order to achieve the above object, the broadcast program recording method restoration method according to the present invention comprises the steps of generating and storing recording deletion information for the recording when the broadcast program recording recorded by the broadcast receiver; Generating, by the broadcast receiver, recording reconstruction request information from the deleted recording information of the stored recordings, when a restoration command for the recordings is input among the deleted recordings; Transmitting the generated recording restoration request information to a broadcast program providing server previously designated on a network; And receiving the video / audio stream provided by the broadcast program providing server according to the transmitted recording restoration request information, and recording the received video / audio stream to restore the corresponding recording.

The recording deletion information may include at least one of identification information, broadcast channel information, and recording section information of a broadcast program recorded in the recording.

The recording deletion information may further include recording deletion time information. In such a case, the broadcast receiver determines the elapsed time after deleting the corresponding recording as the recording deletion time information in the recording deletion information. The method may further include deleting the corresponding recording deletion information when the elapsed time is more than a predetermined time.

The recording reconstruction request information may include any one or more of identification information, broadcast channel information, and recording section information of a broadcast program recorded in the recording.

Preferably, the present invention restores the recording, and when the restoration of the recording is completed, the broadcast receiver deletes the recording deletion information for the stored recording; characterized in that it further comprises.

And requesting to stop data transmission to the broadcast program providing server when a restoration stop command for the recording is input before the restoration of recording is completed. And updating the recording deletion information of the recording of which the restoration is stopped, to the recording deletion information of the partially restored recording.

Here, the updating of the partially reconstructed recordings with the recording deletion information further includes information indicating that the broadcast receiver is partially reconstructed in the recording deletion information of the recording in which the restoration is stopped, and is included in the recording deletion information. The recording start time of the broadcast program recording section information is characterized in that to change to the time when the restoration of the recording.

Hereinafter, with reference to the accompanying drawings will be described the present invention in more detail. However, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1 is a diagram illustrating a broadcast system to which the present invention is applied, and the broadcast receiver 102 receives a broadcast signal transmitted from the broadcast station 100 and broadcasts a program broadcast according to a user's command to the broadcast receiver 102 itself. Record on the equipped PVR. In addition, the broadcast receiver 102 separately stores information on the corresponding recordings for restoring the recordings of the recordings deleted due to a user's request or device error among the broadcast program recordings recorded in the PVR.

The broadcast receiver 102 uses the information on the deleted recordings, and when a user's restoration command is input to any one of the deleted recordings, the broadcast program providing server 106 on the predetermined network 104 is input. Request to restore the recording.

The broadcast program providing server 106 transmits the video / audio stream of the broadcast program recorded in the recording through the network 104 in response to a request for restoring the recording of the recording receiver 102 transmitted through the network 104. ), And the broadcast receiver 102 restores the recording by recording the video / audio stream provided from the broadcast program providing server 106 to the PVR.

As such, the broadcast program providing server 106 receives and stores the video / audio streams of the broadcast programs transmitted by the broadcast stations 100 from the corresponding broadcast stations 100 and then stores the network 104 in the broadcast receiver 102. In the case of requesting restoration of a predetermined recording through, determining the broadcast program recorded in the recording and providing a video / audio stream of the determined broadcast program directly to the broadcast receiver 102 through the network 104. To perform.

Accordingly, the broadcast receiver 102 receives and deletes a video / audio stream transmitted by the broadcast program providing server 106 through the network 104 in an out-of-band transmission manner. Restore

In addition, the present invention is to preset the video / audio stream of the broadcast program recording requested to restore to each broadcast station 100 in the broadcast program providing server 106 to restore the broadcast program recording deleted by the broadcast receiver 102 You can also request to transmit on the channel. In this case, the broadcast receiver 102 may receive the video / audio stream transmitted in-band and restore the broadcast program recording.

The broadcast program providing server may exist for each broadcasting station or may exist as an integrated server of a plurality of broadcasting stations.

FIG. 2 is a block diagram illustrating a detailed configuration of the broadcast receiver shown in FIG. 1.

As shown in the figure, the broadcast receiver 200 according to the present invention receives a broadcast signal through the tuner unit 202, and the demultiplexer 204 separates the received broadcast signal into a video / audio stream and an EPG. Let's do it.

The separated video / audio stream is input to the video / audio processor 206, the separated EPG is stored in the memory 212, and the video / audio processor 206 decodes and processes the received video / audio stream. The video / audio signal is output to the video / audio output unit 208.

The control unit 214 transmits the EPG stored in the memory 212 to the graphic unit 216 to be displayed on the screen through the video / audio processing unit 206 and the user to the specific broadcast program through the user interface 218. If a recording command is input, the recording for the broadcast program is set so that the PVR 210 records the recording.

The controller 214 records a predetermined broadcast program in the PVR 210 according to a user's command, and stores information about the broadcast program recorded in the recording and broadcast program recording information together with the recording of the broadcast program. Create and save using the EPG information stored in.

The control unit 214 deletes the recording commanded by the user in the PVR 210 when the broadcast program recording deletion command is input through the user interface 218, and stores the recorded material with the deleted recording. Recording information deletion information for the corresponding recording is generated using the information on the broadcast program recorded in the and the broadcast program recording information.

The controller 214 stores the generated recording deletion information in the deletion information storage unit 220.

The recording deletion information generated by the controller 214 may include information as shown in FIG. 3.

As shown, the recording deletion information includes identification information of a broadcast program recorded in the deleted recording, broadcasting channel information, recording section information, and recording deletion time information.

Here, the identification information of the broadcast program means information for identifying each broadcast program by being composed of the name of the corresponding broadcast program and PID (Program ID) information carried in the EPG information.

The broadcast channel information of a broadcast program is information consisting of a broadcast channel number and a broadcast station identification code on which the broadcast program is broadcast.

In addition, the recording section information of the broadcast program is composed of information about the start time and the end time of recording the broadcast program, and informs the recorded broadcast program section.

The deletion time information is time information when the recording is deleted.

The control unit 214 lists the broadcasting program names of the recordings deleted by the user and the broadcasting channel information of the corresponding broadcasting programs, and the like, through the recording deletion information stored in the deletion information storage unit 220 as described above. Follow the instruction to display on the screen.

The controller 214 generates reconstruction request information for a corresponding recording by using the recording deletion information of the recording which the user has commanded to restore when a user's restoration command is input from among the deleted recordings. .

The control unit 214 transmits the generated recording restoration request information through the network interface 222 to the IP address of the broadcast program providing server 240 previously stored.

The recording restoration request information transmitted from the control unit 214 to the broadcast program providing server 240 through the network interface 222 may include information as shown in FIG. 4.

As shown, the recording restoration request information includes identification information, broadcast channel information, and recording section information of a broadcast program recorded in the recording.

The network interface 222 transmits the recording restoration request information to the designated broadcast program providing server 240 under the control of the controller 214, and is transmitted from the broadcast program providing server 240 by the transmitted recording restoration request information. The video / audio stream is received and transmitted to the controller 214.

The broadcast program providing server 240 receives the recording restoration request information of the broadcast receiver 200 transmitted through the network 230, confirms the broadcast program identification information and the broadcast channel information of the recording requesting the restoration, and confirms the confirmation. The broadcast receiver 200 determines the broadcast program recorded in the recording requesting the restoration.

The broadcast program providing server 240 checks the broadcast program recording section information included in the recording restoration request information, and provides the video / audio stream of the determined broadcast program to the broadcast receiver to record the recorded video recording section. Provides only video / audio streams corresponding to

The controller 214 receives the video / audio stream transmitted by the broadcast program providing server 240 through the network interface 222 and records the received video / audio stream in the PVR 210 to record the user's request for restoration. Restore Then, the recording information deleting information for the restored recording stored in the deletion information storage unit 220 is deleted.

However, the control unit 214 receives a video / audio stream from the broadcast program providing server 240 as described above and receives a command for restoring the recording of the user through the user interface 218 while recording on the PVR (210) The broadcast program providing server 240 requests a data transmission stop. The video / audio stream of the recording recorded on the PVR 210 is left as it is until the recording restoration stop command is input, and the recording is partially restored.

In addition, the controller 214 further includes information indicating that the data is partially restored in the recording deletion information of the recording stored in the deletion information storage unit 220, and the recording start time point in the broadcasting program recording section information included in the recording deletion information. Change to the time when the stop command is input to stop the restoration of the recording.

Accordingly, when the user requests to restore the recorded recording which has been stopped, the video / audio stream of the corresponding broadcast program may be received from the broadcast program providing server 240 and restored from the point of time when the restoration is stopped. Make sure

The control unit 214 according to the present invention checks the deletion time information among the recording information deletion information of the deleted recordings stored in the deletion information storage unit 220. After the deletion, the user determines that the user has no intention of restoring the recording, and deletes the recording information of the recording from the deletion information storage unit 220.

This is to set a valid period that can be restored for the deleted recordings, the control unit 214 deletes the deletion information for the recordings if the time set by the user or a predetermined time elapsed after the recording is deleted The information storage unit 220 is characterized in that the deletion.

5 is a flowchart illustrating a method for recovering broadcast recordings according to the present invention.

The broadcast receiver 200 records a corresponding broadcast program in the PVR 210 according to a user's broadcast program recording command. The broadcast receiver 200 transmits EPG information and broadcast program recording information about the broadcast program recorded in the recording together with the recording of the broadcast program. Create and store through the information (S500, S502).

When the user deletes a recording command, the broadcast receiver 200 deletes the corresponding broadcast program recording recorded in the PVR 210, and broadcasts the recorded video recorded with the deleted recording. Through the information on the program and the recording information of the broadcast program, the recording deletion information of the corresponding recording is generated and stored (S506).

Here, the recording deletion information is as shown in FIG. 3.

When the user's recording restoration request is input (S508), the broadcast receiver 200 checks recording deletion information of the recording request for restoration (S510), and generates restoration request information for the corresponding recording (S510). S512).

In addition, the broadcast receiver 200 transmits the generated restoration request information to the broadcast program providing server 240 on the network 230 that has been designated in advance (S514).

The broadcast receiver 200 receives the video / audio stream of the broadcast program recorded in the corresponding recording transmitted from the broadcast program providing server 240 as the broadcast request providing server 240 restores the request information for the recording. Recording to the PVR 210 and restores the recording (S516).

However, the broadcast receiver 200 receives a video / audio stream transmitted from the broadcast program providing server 240 and receives a recording restoration stop command of the user while recording the video / audio stream from the PVR 210 (S518). Request to stop the data transmission to the providing server 240 (S520).

Then, the recording deletion information of the recording of which the restoration is stopped is updated with the recording deletion information of the partially restored recording (S522).

Here, updating to the recording deletion information of the partially restored recording further includes information indicating that the broadcast receiver 200 is partially restored to the recording deletion information of the recording where the restoration is stopped, and the broadcast program included in the recording deletion information. The starting point of recording of the recording section information is changed to the point at which the restoration of the corresponding recording is stopped.

As a result, the broadcast receiver 200 may notify the user of the partially restored recordings through the recording deletion information, and when the user instructs to restore the predetermined recordings among the partially restored recordings, the restoration of the corresponding recordings is stopped. From this point in time, the video / audio stream is requested to the broadcast program providing server 240 to complete restoration of the recording.

When the broadcast receiver 200 completes restoration of the deleted recordings, the broadcast receiver 200 deletes the recorded recording deletion information of the stored recordings (S524 and S526).

6 is a flowchart illustrating a method of managing recording deletion information in the present invention.

The broadcast receiver 200 deletes a predetermined broadcast program recording according to a user's command, and generates and stores recording deletion information on the recording (S600).

As such, the recording deletion information generated and stored by the broadcast receiver 200 may be configured as shown in FIG. 3, and the broadcast receiver 200 records the recording deletion time information included in the recording deletion information. Check (S602). Then, the deleted recording information of the recordings stored for the recordings that have elapsed since the predetermined time has been deleted (S604).

This is to set a valid period that can be restored for the deleted broadcast program recordings, the broadcast receiver 200 receives the deletion information of the recordings that have elapsed after the time set by the user or a predetermined time is deleted. It is characterized by not storing.

Although the present invention has been described in detail with reference to exemplary embodiments above, those skilled in the art may make various modifications within the scope of the present invention without departing from the scope of the present invention. Will understand. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

According to the present invention, the broadcast receiver deletes a corresponding broadcast program recording recorded in the PVR according to a user's recording deletion command, and generates and stores recording deletion information on the deleted recording. Then, the broadcast program providing server on the network, which is previously designated, requests the video / audio stream of the broadcast program recorded in the recording request for restoration by using the stored recording deletion information. The broadcast receiver receives a video / audio stream provided by the broadcast program providing server according to the request through a network and restores the corresponding recording.

Accordingly, the present invention can be spotlighted as an additional service capable of restoring a broadcast program recording deleted by a user's mistake of operation or a physical error of a storage device.

Claims (7)

Generating and storing recording deletion information about the recording when the broadcasting receiver records the recorded broadcast program; Generating a recording restoration request information by using the recording deletion information for the recording when the restoration command for the deleted recording is input; Transmitting the recording restoration request information to a broadcast program providing server; Receiving a video / audio stream provided by the broadcast program providing server according to the recording restoration request information, and recording the video / audio stream to restore a corresponding recording; And And when the restoration of the recording is completed, deleting the recording deletion information for the recording. The method of claim 1, wherein the recording information is deleted. And a broadcast program recording method including at least one of identification information, broadcast channel information, and recording section information of the broadcast program recorded in the recording. The method of claim 2, wherein the recording deletion information further includes recording deletion time information. Determining, by the broadcast receiver, the elapsed time after deleting the corresponding recording by using the recording deletion time information in the recording deletion information, and deleting the recording deletion information when the elapsed time is longer than a predetermined time. Broadcast program recording restoration method comprising. The method of claim 1, wherein the recording restoration request information is And at least one of identification information, broadcast channel information, and recording section information of the broadcast program recorded in the recording. delete The method of claim 1, wherein a restoration stop command for the recording is input before the recording is completed. Requesting, by the broadcast receiver, to stop data transmission to the broadcast program providing server; And And updating the recording deletion information of the recording of which the restoration is stopped, to the recording deletion information of the partially restored recording. The method of claim 6, wherein updating the recorded data of the partially reconstructed recording is deleted. The broadcast receiver further includes information indicating that the restoration is partially restored in the recording deletion information of the recording in which the restoration is stopped, and the restoration of the recording stops at the start point of recording of the broadcast program recording section information included in the recording deletion information. The program recording method for restoring the recorded program.

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