JP2008288951A - Video recording and playback device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate viewing of chasing playback and prevent a TV program from being overlooked in a video recording and playback device. <P>SOLUTION: The video recording and playback device includes an HDD for video recording TV programs, a controlling microcomputer for controlling each part of the device, and a memory for storing playback speed information such as a playback speed. The controlling microcomputer can perform chasing playback of a TV program that is currently video recorded while continuing video recording. A user sets a playback speed of the TV program to an optional speed by operating an operating part. The controlling microcomputer sets the playback speed of the TV program on the basis of the playback speed information stored in the memory (S6) and subsequently playbacks the TV program (S7 and S8). The video recording and playback device determines whether additional video recording exists (S9), and automatically performs chasing playback processing of the TV program that is currently and additionally video recorded on the basis of the set playback speed (S7) when the additional video recording exists (YES in S10). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a recording / playback apparatus, and more particularly to a chase playback technique.

  2. Description of the Related Art Conventionally, there is a recording / playback apparatus capable of performing so-called chasing playback, in which a television program being recorded (hereinafter referred to as a TV program) can be played back while being recorded. In this type of recording / playback apparatus, there is a device that calculates the playback speed at the time of chasing playback from the time difference between the playback start time and the recording end time of the program being recorded, and performs chasing playback at the calculated playback speed (for example, Patent Document 1 to Patent Document 4).

  However, in these recording / playback apparatuses, when the time from the playback start time to the recording end time is short, the calculated playback speed is too fast and it is difficult for the user to view.

On the other hand, if the chasing playback speed is slowed down, the TV program being played may not end by the end time of the TV program being recorded. Therefore, the TV that the user wants to watch after the TV program that is being chased is played back. When there is a program, there is a problem that the user misses the TV program (for example, see Patent Documents 5 to 7).
Special table 2003-3179845 gazette JP 2003-169274 A Special table 2004-48525 gazette JP 2006-295753 A Special table 2006-115188 gazette JP 2005-253017 A Japanese Patent Laid-Open No. 2005-142821

  The present invention has been made to solve the above-described problems, and it is an object of the present invention to provide a recording / playback apparatus that makes it easy to watch chasing playback and prevent overlooking of a TV program.

  In order to achieve the above object, the invention of claim 1 is a recording medium for recording a television program (hereinafter referred to as a TV program), a recording means for recording a TV program on the recording medium, and a recording on the recording medium. A playback means for playing the TV program being recorded, and a recording / playback control means for controlling the recording of the TV program by the recording means and the playback of the TV program by the playback means, wherein the recording / playback control means In a recording / playback apparatus capable of playing back a TV program being recorded (hereinafter referred to as chasing playback) while continuing to record the TV program being recorded by the means, the playback speed of the TV program is set to an arbitrary speed. And a speed storage means for storing the playback speed of the TV program set by the operation means, wherein the recording / playback control means is stored in the speed storage means. It is intended to reproduce the TV program on the basis of 憶 reproduction speed.

  According to a second aspect of the present invention, in the recording / reproducing apparatus according to the first aspect, the recording / reproducing control means records the TV program by the recording means when the reproduction of the TV program by the reproducing means is completed. When the program is recorded, the follow-up playback of the TV program being recorded is automatically started.

  According to a third aspect of the present invention, in the recording / reproducing apparatus according to the second aspect, the recording / reproducing control means records the TV program by the recording means when the reproduction of the TV program by the reproducing means is completed. If it is, the chasing playback of the TV program being recorded is automatically started based on the playback speed stored in the speed storage means.

  According to the first aspect of the present invention, since the TV program is reproduced based on the reproduction speed stored in the speed storage means, it is possible to perform the chasing reproduction at a speed that is easy for the user to view.

  According to the second aspect of the present invention, when a TV program is recorded when the TV program has been played back, the chasing playback of the TV program being recorded is automatically started. For this reason, it is not necessary for the user to manually instruct the follow-up reproduction, so that it is possible to reduce the user's operation. As a result, it is possible to prevent the user from missing a TV program that the user wants to watch.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 shows a television system including a hard disk recorder (recording / playback apparatus) 1 capable of recording a television program (hereinafter referred to as a TV program) and a television 2 connected to the hard disk recorder 1. FIG. 2 is a block diagram of the internal configuration of the hard disk recorder 1.

  The TV 2 includes a display 21 for displaying a TV program, a speaker 22 for outputting audio of the TV program, a tuner (not shown) that receives the TV program, and a TV that is operated and received by the user. A button 23 for instructing program switching and the like, and a connection unit (not shown) for connecting the cable 3 and inputting / outputting various signals are provided. The television 2 and the hard disk recorder 1 are connected via a cable 3. The TV 2 outputs the TV program video to the display 21 and the TV program sound to the speaker 22 based on the TV program playback signal output from the hard disk recorder 1.

  As shown in FIG. 2, the hard disk recorder 1 includes a tuner 12 for receiving a TV program, a hard disk 18 (a recording medium in the claims; hereinafter referred to as HDD) in which the TV program received by the tuner 12 is recorded, An operation unit (operation means) 13 operated by a user and an input / output unit 15 to which a cable 3 is connected and input / output a TV program signal and various signals are provided.

  Further, the hard disk recorder 1 controls a writing unit 17 for writing data such as TV programs in the HDD 18, a reading unit 16 for reading data of TV programs recorded in the HDD 18, and each unit of the apparatus. Control microcomputer (playback means, recording means, recording / playback control means) 11 and a memory 14 (speed storage means) for storing data such as an operation program of the control microcomputer 11.

  The operation unit 13 is operated by a user and has buttons and the like for setting the playback speed of a TV program, setting a TV program to be recorded, and the like. The user operates the operation unit 13 to set the TV program playback speed to an arbitrary speed.

  The memory 14 stores program recording schedule information in which recording schedule information of a TV program recorded in the HDD 18 is recorded, and playback speed information such as a TV program playback speed.

  The control microcomputer 11 stores program recording schedule information and TV program playback speed information in the memory 14. Further, the control microcomputer 11 controls the recording of the TV program using the writing unit 17 and the reproduction of the TV program using the reading unit 16.

  The control microcomputer 11 reproduces the TV program based on the reproduction speed information stored in the memory 14 when reproducing the TV program recorded in the HDD 18. Further, the control microcomputer 11 can reproduce the TV program being recorded (hereinafter referred to as follow-up reproduction) while continuing to record the TV program being recorded.

  Next, TV program playback processing of the hard disk recorder 1 will be described with reference to the flowchart shown in FIG. Here, it is assumed that the user has instructed playback of the TV program while recording the TV program.

  First, the control microcomputer 11 determines whether or not the TV program to be reproduced (reproduced program) and the TV program being recorded (recorded program) are the same (S1). If they are the same TV program (YES in S2), the memory The playback speed of the TV program is set based on the playback speed information stored in 14 (S6).

  Then, the control microcomputer 11 starts chasing playback of the TV program being recorded based on the set playback speed (S7), and performs TV program chasing playback processing (S8). Details of this processing will be described later.

  After the process of S8 is completed, the control microcomputer 11 refers to the program recording schedule information stored in the memory 14 to determine whether there is additional recording (additional recording is in progress) (S9). If there is additional recording (YES in S10), the processing after S7 is performed, and chasing playback is automatically performed on the TV program being additionally recorded based on the playback speed set in the processing of S6. Start. If there is no additional recording (NO in S10), this process ends.

  If the result of the determination in S1 is that the TV programs are not the same (NO in S2), the control microcomputer 11 starts playback of the TV program instructed to be played by the user at 1x speed (S3), and plays this TV program. (S4). Then, when the reproduction of the TV program is finished (YES in S5), this process is finished. On the other hand, if the reproduction of the TV program has not ended (NO in S5), the process of S4 is repeated.

  Next, the details of the process of S8 will be described with reference to the flowchart shown in FIG. The control microcomputer 11 starts chasing playback of the TV program based on the playback speed set in the process of S6 (S21), and plays back the TV program (S22). Then, when the reproduction of the TV program is completed (YES in S23), the control microcomputer 11 ends this process.

  On the other hand, if the playback of the TV program has not ended (NO in S23), when the playback time of the TV program and the recording time become the same time, that is, the playback time of the follow-up playback is recorded. When catching up to the time (YES in S24), the control microcomputer 11 sets the chasing playback speed to 1 × speed and starts playback (S25). If the playback time and the recording time of the TV program are not the same time (NO in S24), the control microcomputer 11 repeats the processing from S22 onward.

  Then, the control microcomputer 11 reproduces the TV program at 1 × speed after the process of S25 (S26), and when the reproduction is completed (YES in S27), the process is terminated. On the other hand, if the reproduction has not ended (NO in S27), the process of S26 is repeated.

  As described above, according to the hard disk recorder 1 according to the present embodiment, the TV program is reproduced based on the reproduction speed set by the user, so that the chasing reproduction can be performed at a speed that is easy for the user to view. If the TV program is being additionally recorded when the playback of the TV program ends (corresponding to YES in S10), the chasing playback of the TV program being additionally recorded is automatically started. For this reason, it is not necessary for the user to manually perform the follow-up reproduction instruction operation, so that it is possible to reduce the time and effort of the operation by the user. As a result, it is possible to prevent the user from overlooking the TV program that the user wants to watch after the chasing playback of the TV program.

  In addition, this invention is not restricted to the structure of the said embodiment, A various deformation | transformation is possible in the range which does not change the meaning of invention. For example, the hard disk recorder 1 is shown as an example of the recording / playback apparatus in the claims. However, the present invention is not limited to this, and the present invention is not limited thereto. (Network Attached Storage) or the like.

1 is a schematic diagram of a television system including a television and a hard disk recorder according to an embodiment of the present invention. The block diagram which shows the internal structure of the said hard-disk recorder. The flowchart which shows the TV program reproduction process of the said hard-disk recorder. The flowchart which shows the detail of the TV program chasing reproduction process in the said TV program reproduction process.

Explanation of symbols

1 Hard disk recorder (recording / playback device)
11 Control microcomputer (reproducing means, recording means, recording / reproducing control means)
13 Operation part (operation means)
14 Memory (speed storage means)
18 HDD (recording medium)

Claims (3)

A recording medium for recording a television program (hereinafter referred to as a TV program);
Recording means for recording a TV program on the recording medium;
Playback means for playing back a TV program recorded on the recording medium;
A recording / playback control means for controlling the recording of the TV program by the recording means and the playback of the TV program by the playback means;
The recording / playback control means is a recording / playback apparatus capable of playing back a TV program being recorded (hereinafter referred to as chasing playback) while continuing to record the TV program being recorded by the recording means.
Operation means for setting the playback speed of the TV program to an arbitrary speed;
A speed storage means for storing the playback speed of the TV program set by the operation means,
The recording / playback control means plays back a TV program based on the playback speed stored in the speed storage means.   The recording / playback control unit automatically starts chasing playback of the TV program being recorded when the TV program is recorded by the recording unit when the playback of the TV program by the playback unit is completed. The recording / reproducing apparatus according to claim 1, wherein:   The recording / playback control means stores the chasing playback of the TV program being recorded in the speed storage means when the TV program is recorded by the recording means when the playback of the TV program by the playback means is completed. 3. The recording / reproducing apparatus according to claim 2, wherein the recording / reproducing apparatus starts automatically based on the reproduced reproduction speed.

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