JP2006279811A - Recording and reproducing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To accomplish a recording and reproducing device capable of performing successive reproduction during recording regardless of the type of DVD used for recording. <P>SOLUTION: The recording and reproducing device comprises a selection section 612 for deciding whether a program is to be recorded on an optical recording medium or on a high-speed transfer rate recording medium capable of performing recording at a higher transfer rate than the optical recording medium, a recording instruction section 616 for also instructing the high-speed transfer rate recording medium to record the program if the optical recording medium is selected in the selection section, and a successive recording/reproducing section 3, 5 for recording the program on the high-speed transfer rate recording medium in response to the instruction of the recording instructing section and performing successive reproduction. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention has a built-in high-speed transfer rate recording medium capable of searching and recording at a higher transfer rate than that of an optical recording medium, and once recording a received broadcast program on the high-speed transfer rate recording medium, the recorded broadcast program is optically recorded. The present invention relates to a recording / playback apparatus for copying to a recording medium.

Recently, video disk recorders for recording received programs on optical recording media (DVDs) have been developed and introduced into the market. The optical recording medium can be recorded or reproduced while being randomly accessed.
On the other hand, a hard disk recorder that uses a hard disk as a recording medium can play back the recorded program while continuously shifting the time from the past to the past, and can catch up with the program that has been recorded in the past to the currently recorded program. It has convenient functions such as chasing playback. It is preferable that a video disk recorder using a DVD as a recording medium can also perform cache playback and chasing playback.

  A DVD recording apparatus using a DVD-RAM as a recording medium can perform chasing playback. In a recording apparatus using a DVD-RW, it is difficult to support chasing playback due to restrictions on the access speed of the medium, and the corresponding models are also limited. Further, when the bit rate of the recording signal is high, there is a case where the chasing playback cannot be performed. Only the VR format is compatible with the chasing playback, and there is no DVD-RW that is compatible with the chasing playback when recorded in the video format. In the case of a DVD recording apparatus currently on the market, although a plurality of types of DVDs are supported as a recording medium, there are cases where chasing playback is possible or not depending on the media actually used for recording, Therefore, it is difficult to say that the apparatus is complicated and suitable.

In Patent Document 1, chasing playback (hereinafter sometimes referred to as simultaneous recording / playback) is performed or recorded while a video signal having a high transfer rate is recorded on a hard disk like a program broadcast in high definition video. A data recording / reproducing apparatus capable of copying a program to a BD (Blu-ray Disc) is disclosed. Transfer of recording and playback that can be handled by the BD when the recording and playback of the BD are performed simultaneously, such as when the BD of the data recording / playback apparatus is chasing playback, or other recorded programs are being played back The rate may be insufficient. Therefore, a transfer rate evaluation unit that evaluates the transfer rate shortage is provided, and if it is evaluated that the transfer rate is short, the broadcast program is once recorded on the hard disk and recorded on the hard disk when the BD playback is finished. A data recording / reproducing apparatus is disclosed in which a recorded program is copied to a BD.
JP 2004-310916 A

  However, the data recording / reproducing apparatus disclosed in Patent Document 1 assumes that simultaneous recording / reproduction is performed using a recording medium capable of simultaneous recording / reproduction. When a video signal is recorded on a recording medium that cannot be recorded and reproduced simultaneously, it is impossible to perform chasing playback. When the recording medium is a DVD-RAM, follow-up playback is possible. When the recording medium is a DVD-RW, it may not be possible depending on the disc used or the recording format. In the case of recording on a DVD-R, the recorded signal cannot be reproduced unless the recording is finished and the session is closed. In other words, the DVD recording / reproducing apparatus is a complicated apparatus for the user, such that the follow-up reproduction can or cannot be performed depending on the type of the recording medium.

  Accordingly, the present invention has been made to solve the above-described problems, and provides a recording / playback apparatus capable of chasing playback of a recorded program regardless of the type of optical recording medium used at the time of recording. With the goal.

According to a first aspect of the present invention, there is provided a recording / reproducing apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium. Selecting the high-speed transfer rate recording medium or the optical recording medium, and when the optical recording medium is selected by the selection unit, the program is also recorded on the high-speed transfer rate recording medium. A recording instructing unit for instructing recording, and a recording / reproducing for recording the program on the optical recording medium, recording the program on the high-speed transfer rate recording medium, and performing chasing playback according to an instruction of the recording instructing unit And a recording / playback apparatus.
According to a second aspect of the present invention, there is provided a recording / playback apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium. A selection unit for selecting a transfer rate recording medium or the optical recording medium, and an instruction to wait for recording on the optical recording medium when the selection unit selects the optical recording medium, and A recording instructing unit for instructing to record the program on the high-speed transfer rate recording medium; and a chasing recording / reproducing unit for recording the program on the high-speed transfer rate recording medium and performing chasing reproduction by an instruction from the recording instructing unit; A recording detection unit that outputs an end point detection signal indicating that the program has been recorded on the high-speed transfer rate recording medium, and the recording instruction unit receives the light based on the end point detection signal. It cancels the instruction to wait for recording to recording medium, to provide a recording and reproducing apparatus characterized by comprising a dubbing section of dubbing the recorded the program in the high-speed transfer rate recording medium on the optical recording medium.
According to a third aspect of the present invention, there is provided a recording / playback apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium. A selection unit for selecting a transfer rate recording medium or the optical recording medium, and an instruction to wait for recording on the optical recording medium when the selection unit selects the optical recording medium, and A recording instruction unit for instructing to record the program on the high-speed transfer rate recording medium; a recording / reproducing unit for recording the program on the high-speed transfer rate recording medium according to an instruction from the recording instruction unit; A time setting unit for setting a dubbing start time for dubbing the program recorded on the high-speed transfer rate recording medium to the optical recording medium during the chasing playback; and the dubbing start And a dubbing unit for releasing the instruction to wait for recording on the optical recording medium and dubbing the program recorded on the high-speed transfer rate recording medium on the optical recording medium. A recording / reproducing apparatus characterized by the above is provided.
According to a fourth aspect of the present invention, there is provided a recording / playback apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium. A selection unit for selecting a transfer rate recording medium or the optical recording medium, and an instruction to wait for recording on the optical recording medium when the selection unit selects the optical recording medium, and A recording instructing unit for instructing to record the program on the high-speed transfer rate recording medium; a chasing recording / reproducing unit for recording the program on the high-speed transfer rate recording medium and performing chasing reproduction by an instruction from the recording instructing unit; Canceling the instruction to wait for recording on the optical recording medium to the recording instruction section, and disconnecting the program recorded on the high-speed transfer rate recording medium on the optical recording medium during the chasing playback. To provide a recording and reproducing apparatus characterized by comprising a dubbing section to be dubbed.
According to a fifth aspect of the present invention, there is provided a recording / playback apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium. A selection unit for selecting a transfer rate recording medium or the optical recording medium, and an instruction to wait for recording on the optical recording medium when the selection unit selects the optical recording medium, and Recording the program on the high-speed transfer rate recording medium and recording the program on the high-speed transfer rate recording medium according to an instruction from the recording instruction unit, and a recording instruction unit for instructing to store the audio mode in the program in a memory And a chase recording / playback unit that performs chase playback, and a voice module of a main part and a CM (commercial) unit included in the program after a predetermined time of the chase playback has elapsed. An audio mode determining unit for determining a mode, a main unit specifying unit for specifying the main unit from the audio mode of the main unit and the CM unit determined by the audio mode determining unit, and the optical recording medium in the recording instruction unit There is provided a recording / playback apparatus comprising: a dubbing unit that cancels an instruction to wait for recording to a dubbing unit and dubbes the main part designated by the main part designation part onto the optical recording medium.
According to a sixth aspect of the present invention, there is provided a recording / playback apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium. A selection unit for selecting a transfer rate recording medium or the optical recording medium, and an instruction to wait for recording on the optical recording medium when the selection unit selects the optical recording medium, and A recording instruction unit for instructing to record the program on the high-speed transfer rate recording medium, a chasing recording / reproducing unit for recording the program on the high-speed transfer rate recording medium and performing chasing reproduction according to an instruction of the recording instruction unit, A recording detection unit that outputs an end point detection signal indicating that the program has been recorded on the high-speed transfer rate recording medium, and based on the end point detection signal, the optical recording unit Canceling the instruction to wait for recording on the medium, dubbing the dubbing unit for dubbing the program recorded on the high-speed transfer rate recording medium on the optical recording medium, and detecting an error in the optical recording medium during the dubbing, A recording / playback apparatus comprising: an error detection unit that outputs an error signal; and an erasure prohibition unit that prohibits erasure of the program recorded on the high-speed transfer rate recording medium based on the error signal. provide.

According to the present invention, the selection unit that selects whether the program recording is a high-speed transfer rate recording medium or an optical recording medium that can be recorded at a higher transfer rate than the optical recording medium, and the optical recording is performed by the selection unit. When a medium is selected, a recording instruction unit that instructs to record the program on the high-speed transfer rate recording medium, and recording the program on the optical recording medium according to an instruction from the recording instruction unit, and Since the high-speed transfer rate recording medium also includes a recording / playback unit that records the program and performs chasing playback, the chasing playback of the program being recorded is possible regardless of the type of optical recording medium used during recording. A recording / playback apparatus can be realized.
A time setting unit for setting a dubbing start time for dubbing the program recorded on the high-speed transfer rate recording medium on the optical recording medium; and the high-speed transfer rate recording medium on the optical recording medium based on the dubbing start time. If a dubbing unit for dubbing the recorded program is provided, dubbing of the optical recording medium can be terminated after a predetermined time from the program end time.
In addition, a recording instruction unit that instructs to record a program on a high-speed transfer rate recording medium and store the audio mode in the program in a memory; and a main part included in the program and a CM after a predetermined time of chasing playback An audio mode determining unit that determines an audio mode of a (commercial) unit, a main part that is determined by the audio mode determining unit, a main part specifying unit that specifies the main part from the audio mode of the CM unit, and the main part specifying unit In the case of including a dubbing unit for dubbing the main part specified in (1) to an optical recording medium, it is possible to record only the main part cut with CM cut on the optical recording medium while recording is selected to directly record on the disc. .
In addition, an error detection unit that detects an error when dubbing a program recorded on a high-speed transfer rate recording medium to an optical recording medium and outputs an error signal; and on the high-speed transfer rate recording medium based on the error signal In the case of including an erasure prohibiting section that prohibits erasure of the recorded program, the recorded program can be reproduced even if an error exists in the optical recording medium.

A recording / playback apparatus according to each embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 is a block diagram showing a configuration example of a recording / playback apparatus according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating a configuration example of a main part of the recording / playback apparatus according to the embodiment of the present invention.
FIG. 3 is a diagram showing a display example of the electronic program guide.
FIG. 4 is a diagram showing an example of a recording reservation display screen according to the embodiment of the present invention.
FIG. 5 is a diagram exemplifying a relationship of recording / reproducing time with respect to the recording medium according to the embodiment of the present invention.

  The recording / reproducing apparatus aims to realize a recording / reproducing apparatus capable of chasing and replaying the program being recorded regardless of the type of the optical recording medium used at the time of recording. A selection unit that selects whether the recording medium is a high-speed transfer rate recording medium or an optical recording medium, and when the optical recording medium is selected by the selection unit, the high-speed transfer rate recording medium also includes the program. A recording instructing unit for instructing recording, and a recording for recording the program on the optical recording medium, recording the program on the high-speed transfer rate recording medium, and performing chasing playback according to an instruction from the recording instructing unit. Realized with a playback unit.

The configuration of the recording / playback apparatus will be described.
The recording / playback apparatus 1 shown in FIG. 1 includes a recording unit 2 including a TV tuner 21, an A / D converter 22, an MPEG-2 encoder 23, and a buffer memory 24, a hard disk recording / playback unit 31, a hard disk 32, and writing / reading. A hard disk unit 3 composed of a controller 33, a DVD unit 4 composed of a DVD recording / reproducing unit 41, a DVD 42, and a write / read controller 43, a buffer memory 51, an MPEG-2 decoder 52, an OSD (On Screen Display) 53, and The playback unit 5 includes a D / A converter 54, and includes a microcomputer 61, a temporary storage memory 62, a remote control interface 63, and a control unit 6 including an EPG (Electronic Program Guide) acquisition unit 64. A monitor TV 8 is connected to the D / A converter of the reproduction unit 5. The remote controller 9 is coupled to a remote control interface (I / F) 63 via infrared rays.
The microcomputer 61 shown in FIG. 2 includes a program reservation unit 611, a selection unit 612, a detection unit 613, a calculation unit 614, a recording instruction unit 616, a DVD recording stop unit 617, a copy instruction unit 618, and a reproduction instruction unit 619. .

The operation of the recording / playback apparatus 1 will be described.
First, an electronic program guide (EPG) can be acquired via a communication network or the like. This electronic program guide is displayed on the program reservation monitor TV 8 when, for example, the remote controller 9 is operated to start a reservation. An arrow key (not shown) on the remote controller 9 is operated to select a program to be reserved for recording. Next, the display of the DVD 42 and the hard disk 32 is displayed on the screen, and either one is selected. When the DVD 42 is selected, the recording double speed with respect to the standard recording speed is selected. When the reservation time arrives, the program received by reservation is recorded in the hard disk 32. The recorded program is played back from the hard disk 32 at any time for chasing playback. After a predetermined time has elapsed, the program recorded on the hard disk 32 is read at high speed from the first part. The program read at high speed is written onto the DVD 42 at high speed. After the end time of the received program has passed, high-speed writing to the DVD 42 is completed. The recorded DVD 42 can be taken out.

  Here, for example, even when a DVD-R is recorded as the DVD 42, it is possible to perform chasing playback while receiving a program, and the user seems to be chasing while recording on the DVD-R. To work. Recording is completed after a lapse of time to close the DVD-R recording session after the program ends. When the recording medium is a DVD-RAM or a DVD-RW, the recording is completed in about 5 to 10 seconds after the program ends, and the DVD can be taken out. The recording / playback apparatus 1 can perform the following operations, for example, by switching to a new DVD for playback.

This will be described in detail with reference to FIGS.
The electronic program guide used for recording reservation is acquired by the EPG acquisition unit 64 of the control unit 6 via a communication network or from auxiliary data of digital broadcasting. When the program reservation mode of the remote controller 9 is operated, EPG information is generated as a display screen by the program reservation unit 611 of the microcomputer 61. The display screen is generated as a display signal by the OSD 53 and supplied to the monitor TV 8 to display the EPG screen shown in FIG. When the remote controller 9 is operated and, for example, the program “Documentary” of the broadcaster B is selected, the display screen of FIG. 4A generated by the selection unit 612 is presented. When the DVD is selected as the recording medium and the recording speed is selected as 4 times speed, the screen of FIG. 4B is presented. When OK is operated, the recording reservation is completed. The reservation content is detected by the detection unit 613.

In the calculation unit 614, the time of the received program (hereinafter sometimes referred to as program broadcast time) is obtained from the start and end time information. The DVD recording time required for high-speed writing on the DVD 42 is obtained by dividing the program broadcast time by the recording double speed.
The recording instruction unit 616 sets the reception channel of the TV tuner 21 to the broadcaster B one minute before the reception time of the reserved program arrives. At the time when the reserved program is received, an instruction for recording the received program on the hard disk 32 is issued. The received program is compressed and encoded by the MPEG-2 encoder 23 and input to the hard disk recording / reproducing device 31 via the buffer memory 24. In the hard disk recording / reproducing device 31, a signal generated by adding a predetermined error detection and correction code and digital modulation is supplied to the hard disk 32 and recorded.

  Here, at the reception start time when the recording instruction unit 616 instructs to record the hard disk 32, the recording DVD recording stop unit 617 issues a copy stop instruction so that the copy operation is not performed on the DVD. The DVD 42 is in a copy stop (standby) state.

Recording on the hard disk 32 is continued. Recording on the hard disk 32 and reading of the recorded signal are performed alternately. A signal read from the hard disk 32 is input to the buffer memory 51 via a switch 68 input to the c side. In the buffer memory 51, the intermittent signal is converted into a continuous signal and input to the MPEG-2 decoder 52. There, the compressed encoded signal is decoded. A signal relating to the program being recorded obtained by decoding is input to the monitor TV 8 via the OSD 53 and the D / A converter 54 and displayed.
Here, when a fast-rewind button or fast-forward button (not shown) of the remote controller 9 is operated, the reproduction instruction unit 619 of the microcomputer 61 instructs the reading location of the hard disk 32. The reading position of the hard disk 32 is controlled by the writing / reading controller 33, and reproduction according to the button operation of the remote controller 9 is performed. Chasing playback is performed.

  When the DVD recording time arrives by subtracting the DVD recording time from the reception end time, the signal recorded on the hard disk 32 is read out and copied to the DVD. That is, the program recorded on the hard disk 32 is read from the copy instruction unit 618 of the microcomputer 61 and an instruction for copying to the DVD 42 is issued. The switch 69 is turned on to the b side. The program recorded on the hard disk 32 during the period from (a) reception start time to (b) DVD recording start time in FIG. 5 is read at high speed. The DVD recording / reproducing device 41 generates a signal for digital recording on the DVD 42. The signal read from the hard disk 32 is recorded on the DVD 42. The writing / reading controller 43 controls the writing position and reproducing position for the DVD 42. After recording, the signal recorded on the hard disk 32 between (b) the DVD recording start time and (c) the reception end time is read and copied to the DVD 42. If the DVD 42 is a DVD-RW after copying, it can be taken out immediately. In the case of DVD-R, it can be taken out after the process of closing the recording session.

  For example, when recording a one-hour program on a DVD 42 that can be recorded at a quadruple speed, the recording / playback apparatus 1 records only the hard disk 32 during (a) and (b) of FIG. The programs recorded in the periods (a) to (b) and (b) to (c) of the hard disk 32 during the period (b) to (d) are copied to the DVD 42 at a quadruple speed. Therefore, when the recording medium is a DVD-RW, (c) the DVD 42 can be taken out after, for example, 5 to 10 seconds after the program end time. When the recording medium is a DVD-R, it can be taken out, for example, one minute after the time point (c).

  The recording / playback apparatus 1 operates as if the program reserved in the period (a) to (d) is recorded on the DVD 42. The installation of the DVD 42 is requested before the start of reception, and the mounted DVD 42 cannot be taken out during the periods (a) to (b) as well as the periods (b) to (d).

As described above, based on the start and end time information of the program obtained from the electronic program guide, the received program is recorded on the hard disk 32 from the start time, and the recorded content of the hard disk 32 is started to be copied to the DVD 42 from a predetermined time thereafter. The method of ending copying to match the program end time was described.
The recording reservation time is acquired from the electronic program guide, but there are other methods such as a method of specifying by G code reservation and a method of manually inputting the recording start / end time. The program reservation and operation can be performed by any method.

  The time at which copying from the hard disk 32 to the DVD 42 is started is described as the time point (c) shown in FIG. 5, but it may be started from a time point before (c). In particular, when recording is started without an end time being input, the recorded content is copied to the DVD 42, for example, every 5 minutes after the start of recording on the hard disk 32, and one minute after the end of recording or recording interruption. Copying to the DVD 42 may be completed with a degree. Even in this case, recording on the DVD 42 can be performed while chasing playback.

  Here, the MPEG-2 encoder 23 has an operation time for compression encoding of 1 × speed. This is because, for example, the amount of calculation for obtaining a motion vector for compression coding is enormous and it takes a long time. The recording / playback apparatus 1 compresses and encodes the received program at 1 × speed by the MPEG-2 encoder 23 and records it on the hard disk 32, and reads the recorded signal at 4 × speed to record it on the DVD 42 at 4 × speed. . When the program transfer rate is low and the DVD 42 supports high-speed copying, copying at a speed of 8 times speed or higher is also possible. For example, when copying at 8 × speed, a 54 minute program can be recorded in 7 minutes. The speed of DVDs 42 is increasing rapidly, and it is considered that DVDs of 8 to 16 times speed will be commercialized.

  In general, since the DVD 42 rotates at a high speed during recording and reproduction, a large rotational sound (noise) is generated from the DVD drive device. In the recording / reproducing apparatus 1, since the recording of the DVD 42 is stopped during the period (a) to (b), no noise is generated from the driving device of the DVD 42 during that period.

  In order to prevent generation of noise during chasing playback while watching a program, even during the periods (b) to (c), when the user is performing chasing playback with the recording / playback apparatus 1, A function for stopping copying may be provided. In this case, the operation performed by the user can select either to shorten the recording end time on the DVD 42 or to reduce the noise during viewing.

  As another application example, there is a method of starting recording on the hard disk 32 and copying it to the DVD 42 at a 1 × speed after 5 seconds, for example. In this case, copying to the DVD 42 can be completed in about 10 seconds after the recording is stopped, and noise generated from the DVD 42 can be suppressed to a low level.

  Further, when the transfer rate of the recording signal encoded by the MPEG-2 encoder 23 is ½ or less of the recording rate at the standard speed of the DVD 42, the time between (a) and (b) shown in FIG. Further, copying from the hard disk 32 to the DVD 42 may be started, and copying may be terminated around the end of the program of (c). This is because the DVD 42 is not supposed to be rotated and recorded at a speed slower than the 1 × speed, and the 1 × recording is substantially a 2 × copy of the program.

  Here, when copy-once is designated as copyright protection for the received program, it is not permitted that two recordings exist in the recording / playback apparatus 1. The program designated as copy-once is erased after the content recorded on the hard disk 32 is copied to the DVD 42. After copying is completed, the DVD 42 is taken out. If the DVD 42 is removed while the program recorded on the hard disk 32 is being reproduced, the reproduction of the hard disk 32 is stopped and the recorded contents of the hard disk 32 are erased.

  Further, it has been described that the recording / playback apparatus 1 described above directly records the compressed and encoded signal recorded on the hard disk 32 on the DVD 42. However, when a long-time program is recorded on the DVD 42, the recording capacity of the DVD 42 may be insufficient. The code amount when the received program is encoded is recorded on the hard disk 32 while being monitored by the microcomputer 61. Information related to the change in the code amount and information related to difficulty in compression are stored in the temporary storage memory 62. When the signal recorded on the hard disk 32 is recorded on the DVD 42, the signal decoded by the MPEG-2 decoder 52 is transcoded so as to be encoded by the MPEG-2 encoder 23. The amount is re-encoded and recorded on the DVD. Image portions that are difficult to compress are re-encoded by assigning a larger code amount. Since the re-encoding can be performed while using the motion vector obtained at the time of the first encoding as it is, the time required for the encoding can be shortened, and for example, compression encoding at 2 to 4 times speed becomes possible. Further, as a re-encoding method, in addition to a method of encoding after decoding by an MPEG-2 decoder, the quantization signal of the encoded signal can be changed by changing a quantization width of a count value obtained by discrete cosine transform. There is also a method of further reducing the data portion judged to be redundant.

  Further, there is a method of recording all the programs composed of the main part and the CM part on the hard disk 32 and recording only the main part with the cut CM on the DVD 42. The audio mode information received at each time is stored in the buffer memory 51 while monitoring the audio mode information received when the received program is recorded on the hard disk 32. It stores whether the audio mode information is 2-channel stereo or a monaural or bilingual audio mode. For example, when 5 minutes or more have elapsed from the start of reception, the time for which the voice mode continues is checked. For example, a part received in the same voice mode for 5 minutes or more is identified as a main part. Since the main part and the CM part can be distinguished by time (b), only the main part from which the CM part is cut can be copied to the DVD 42 from time (b). In general, in the case of recording in which direct recording on a disc is selected, CM cut recording is not performed and CM is skipped during reproduction. In the case of the present recording / playback apparatus, since the received program is recorded on the hard disk 32 in advance and then copied to the DVD 42, only the main part cut with CM can be recorded on the DVD 42.

  Here, the DVD 42 is described on the assumption that a normal DVD-R, DVD-RW, DVD + RW, and DVD-RAM are used, but the DVD may be a Blu-Ray or HD-DVD. In that case, for example, a hard disk 32 capable of recording and reproducing a signal of 100 Mbps is required. The recording capacity and transfer rate of the hard disk are rapidly improving, and in the future, it is easy to realize the recording / playback apparatus 1 using a hard disk with a transfer rate exceeding 100 Mbps.

  According to the recording / reproducing apparatus 1 shown in the present embodiment, a program reservation unit 611 for reserving a program by an electronic program guide or other means, and the reservation of the program is made a magnetic recording medium (hard disk) 32 or an optical recording medium. A selection unit 612 that selects whether to select (DVD) 42, a detection unit 613 that detects that the optical recording medium 42 or the magnetic recording medium 32 has been selected by the selection unit 612, and the electronic program guide. Or a calculation unit 614 for obtaining a first time (b to c) required when the entire program is recorded on the optical recording medium 42 at a predetermined double speed based on the reception start / end time information of the program obtained from the others. When the optical recording medium 42 is detected by the detection unit 613, a recording instruction unit 616 for giving an instruction to record also on the magnetic recording medium from the start time (a) of the program, and recording the entire program The time required for this is the second time (ac), and the time obtained by subtracting the first time (bc) from the second time (ac) is the third time (ac). In the period from the recording start time (a) to the third time (ab), the optical recording medium recording stop unit 617 for instructing not to record on the optical recording medium 42, and the recording start time (a). A copy instruction unit 618 for instructing the optical recording medium 42 to copy the contents of the program recorded on the magnetic recording medium 32 when the third time (ab) has elapsed. Regardless of the type of optical recording medium 42 used at the time of recording, the reproducing apparatus 1 is capable of chasing and reproducing the recorded program, and the optical recording medium at a predetermined time (cd) after the end of the program (c). 42 can be realized.

  Here, the case where the recording / reproducing apparatus 1 uses the hard disk 32 and the DVD (optical recording medium) 42 as the recording medium has been described. A device can be realized using a huge memory (high-speed transfer rate recording medium) such as a terabyte memory that can randomly access the hard disk 32 and can record a signal having a higher transfer rate than the DVD 42, and can be operated as described above. I can do it.

As described above, according to the recording / playback apparatus of the present invention, the selection unit 612 that selects whether the recording of a program is a high-speed transfer rate recording medium or an optical recording medium, and the optical recording medium is selected by the selection unit. When selected, a recording instruction unit 616 that instructs to record the program on the high-speed transfer rate recording medium, and the program is recorded on the optical recording medium according to an instruction from the recording instruction unit, and the high-speed transfer rate recording medium Since the transfer rate recording medium is also provided with the recording and reproducing units 3 and 5 for recording the program and performing the chasing reproduction, the chasing reproduction of the program being recorded can be performed regardless of the type of the optical recording medium used at the time of recording. Possible recording / playback apparatus can be realized.
Further, a time setting unit 614 for setting a dubbing start time for dubbing the program recorded on the optical recording medium to the optical recording medium, and the high speed transfer rate to the optical recording medium based on the dubbing start time. When the dubbing units 3, 69, 4 for dubbing the program recorded on the recording medium are provided, the dubbing of the optical recording medium can be finished after a predetermined time from the program end time.
In addition, a recording instruction unit 616 that instructs to record a program on a high-speed transfer rate recording medium and store an audio mode in the program in a memory; a main part included in the program after a predetermined time of chasing playback; An audio mode determining unit 61 for determining an audio mode of a CM (commercial) unit, a main part determined by the audio mode determining unit, and a main part specifying unit 61 for specifying the main part from the audio mode of the CM unit; In the case of including the dubbing unit 618 for dubbing the main part specified by the main part specifying part on the optical recording medium, only the main part cut by CM is stored in the optical recording medium 42 while the recording is selected to be direct recording on the disc. Can be recorded.
Further, an error detection unit 41 that detects an error when dubbing a program recorded on a high-speed transfer rate recording medium to an optical recording medium and outputs an error signal, and the high-speed transfer rate recording medium based on the error signal In the case of including the erasure prohibiting unit 61 that prohibits erasure of the program recorded on the optical recording medium, the recorded program can be reproduced even when an error exists in the optical recording medium.

  The present invention can be applied to a recording / reproducing apparatus that records a received program using a hard disk and a DVD as a recording medium.

It is a block diagram which shows the structural example of the video recording / reproducing apparatus based on implementation of this invention. It is a block diagram which shows the structural example of the principal part of the video recording / reproducing apparatus based on implementation of this invention. It is the figure which showed the example of a display of an electronic program guide. It is the figure which showed the example of a display screen of the video recording reservation which concerns on implementation of this invention. It is the figure which illustrated the relationship of the recording / reproducing time to the recording medium based on implementation of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Recording / reproducing apparatus 2 Recording part 3 Hard disk part 4 DVD part 5 Reproducing part 6 Control part 8 Monitor TV
9 Remote controller 21 TV tuner 22 A / D converter 23 MPEG-2 encoder 24 Buffer memory 31 Hard disk recording / reproducing device 32 Hard disk 33 Write / reading controller 41 DVD recording / reproducing device 42 DVD
43 write / read controller 51 buffer memory 52 MPEG-2 decoder 53 OSD
54 D / A converter 61 Microcomputer 62 Temporary storage memory 63 Remote control interface 64 EPG acquisition unit 611 Program reservation unit 612 Selection unit 613 Detection unit 614 Calculation unit 616 Recording instruction unit 617 DVD recording stop unit 618 Copy instruction unit 619 Playback instruction unit

Claims (6)

In a recording / reproducing apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium,
A selection unit for selecting whether the recording of the program is the high-speed transfer rate recording medium or the optical recording medium;
A recording instruction unit for instructing to record the program on the high-speed transfer rate recording medium when the optical recording medium is selected by the selection unit;
In accordance with an instruction from the recording instruction unit, a recording / reproducing unit that records the program on the optical recording medium and records the program on the high-speed transfer rate recording medium and performs chasing reproduction,
A recording / playback apparatus comprising: In a recording / reproducing apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium,
A selection unit for selecting whether the recording of the program is the high-speed transfer rate recording medium or the optical recording medium;
A recording instruction unit for instructing to wait for recording on the optical recording medium when the selection unit selects the optical recording medium and for instructing to record the program on the high-speed transfer rate recording medium;
A chasing recording / playback unit that records the program on the high-speed transfer rate recording medium and performs chasing playback according to an instruction of the recording instruction unit;
A recording detection unit that outputs an end point detection signal indicating that the program has been recorded on the high-speed transfer rate recording medium;
A dubbing unit for canceling an instruction to wait for recording on the optical recording medium to the recording instruction unit based on the end point detection signal, and dubbing the program recorded on the high-speed transfer rate recording medium on the optical recording medium; ,
A recording / playback apparatus comprising: In a recording / reproducing apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium,
A selection unit for selecting whether the recording of the program is the high-speed transfer rate recording medium or the optical recording medium;
A recording instruction unit for instructing to wait for recording on the optical recording medium when the selection unit selects the optical recording medium and for instructing to record the program on the high-speed transfer rate recording medium;
A recording / playback unit that records the program on the high-speed transfer rate recording medium according to an instruction of the recording instruction unit and performs chasing playback;
A time setting unit for setting a dubbing start time for dubbing the program recorded on the high-speed transfer rate recording medium to the optical recording medium during the chasing playback;
Based on the dubbing start time, a dubbing unit that releases an instruction to wait for recording on the optical recording medium to the recording instruction unit and dubbes the program recorded on the high-speed transfer rate recording medium on the optical recording medium; ,
A recording / playback apparatus comprising: In a recording / reproducing apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium,
A selection unit for selecting whether the recording of the program is the high-speed transfer rate recording medium or the optical recording medium;
A recording instruction unit for instructing to wait for recording on the optical recording medium when the selection unit selects the optical recording medium and for instructing to record the program on the high-speed transfer rate recording medium;
A chasing recording / playback unit that records the program on the high-speed transfer rate recording medium and performs chasing playback according to an instruction of the recording instruction unit;
A dubbing unit for canceling an instruction to wait for recording on the optical recording medium to the recording instruction unit, and dubbing the program recorded on the high-speed transfer rate recording medium to the optical recording medium during the chasing playback; ,
A recording / playback apparatus comprising: In a recording / reproducing apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium,
A selection unit for selecting whether the recording of the program is the high-speed transfer rate recording medium or the optical recording medium;
When the optical recording medium is selected by the selection unit, an instruction to wait for recording on the optical recording medium is given, the program is recorded on the high-speed transfer rate recording medium, and an audio mode in the program is stored in memory. A recording instruction unit for instructing to memorize,
A chasing recording / reproducing unit that records the program on the high-speed transfer rate recording medium and performs chasing reproduction according to an instruction of the recording instruction unit;
An audio mode determining unit that determines an audio mode of a main part and a CM (commercial) unit included in the program after a predetermined time of the chasing playback;
A main part designating part for designating the main part from the main part determined by the sound mode determining part and the sound mode of the CM part;
A dubbing unit for canceling an instruction to wait for recording on the optical recording medium to the recording instruction unit, and dubbing the main part designated by the main part designation part on the optical recording medium;
A recording / playback apparatus comprising: In a recording / reproducing apparatus for recording a broadcast program on an optical recording medium and / or a high-speed transfer rate recording medium capable of recording at a higher transfer rate than the optical recording medium,
A selection unit for selecting whether the recording of the program is the high-speed transfer rate recording medium or the optical recording medium;
A recording instruction unit for instructing to wait for recording on the optical recording medium and instructing to record the program on the high-speed transfer rate recording medium when the optical recording medium is selected by the selection unit;
A chasing recording / playback unit that records the program on the high-speed transfer rate recording medium and performs chasing playback according to an instruction of the recording instruction unit;
A recording detection unit that outputs an end point detection signal indicating that the program has been recorded on the high-speed transfer rate recording medium;
A dubbing unit for canceling an instruction to wait for recording on the optical recording medium to the recording instruction unit based on the end point detection signal, and dubbing the program recorded on the high-speed transfer rate recording medium on the optical recording medium; ,
An error detection unit that detects an error of the optical recording medium during the dubbing and outputs an error signal;
Based on the error signal, an erasure prohibiting unit that prohibits erasure of the program recorded on the high-speed transfer rate recording medium;
A recording / playback apparatus comprising:

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