JP2002176618A - Recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide desired programs in a desired sequence using a simple operation by making it easy to understand which programs are recorded in which order, when many programs are recorded on a removable recoding medium. SOLUTION: In the case of recording a plurality of video contents on a tape of a VTR section 13, thumbnail images of the video contents displayed on a television screen are generated and stored in an HD 23 and the thumbnail images are outputted in a way of being displayed on the television screen. Furthermore, in the case of continuously reproducing the video contents recorded on the tape, the thumbnail images are displayed on the television screen, so as to enable a user to designate the reproduction sequence and the video contents to be reproduced and the recording and reproducing device continuously reproduces the designated video contents in the designated order of reproduction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus for recording / reproducing a large-capacity recording medium such as a hard disk or a semiconductor memory and a removable recording medium.

[0002]

2. Description of the Related Art As a recording and reproducing apparatus for recording and reproducing video (and audio) contents such as TV programs, a VTR using a video tape is known. In addition, the conventional V
There is known a TR in which a user registers a program title in characters and displays this on a display of a VTR.

[0003]

However, in the conventional VTR display method, since the screen size of the display is limited, it is difficult for the user to understand which programs are recorded and in which order. For this reason, there is a problem that it is difficult to determine which program is to be selectively reproduced or to be dubbed to a video tape.
Also, the registration operation is troublesome.

Incidentally, in recent years, hard disks (H
With the increase in the capacity of recording media such as D) and semiconductor memories,
Recording / reproducing apparatuses for video contents using these as recording media are known. Therefore, an integrated recording / reproducing apparatus that records and reproduces both a large-capacity recording medium such as an HD (hereinafter, simply referred to as HD) and a video tape has attracted attention. According to such an integrated recording / reproducing apparatus, as a utilization form, for example, a large number of TV broadcast programs having a larger capacity than a video tape and a long-time TV broadcast program are continuously recorded on an HD,
A desired program can be selectively dubbed to a video tape.

[0005] In view of the above problems, the present invention makes it easy to understand which programs are recorded in which order when a large number of programs are recorded on a removable recording medium such as a video tape, thereby simplifying operation. It is an object of the present invention to provide a recording / reproducing apparatus which can reproduce a desired program in a desired order.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a method for recording a plurality of video contents on a removable recording medium such as a videotape. Is created and stored in a large-capacity recording medium, and this is output so that a thumbnail can be displayed on a television screen. Note that a thumbnail is a small image that can be displayed on a part of the screen with a reduced data amount of the image.

That is, according to the present invention, in a recording / reproducing apparatus for recording and reproducing video contents on a large-capacity recording medium and a removable recording medium, when recording a plurality of video contents on the removable recording medium, Means for creating a thumbnail of each video content that can be displayed on a screen and storing the thumbnail in the large-capacity recording medium, and outputting the thumbnail of each video content stored in the large-capacity recording medium so that the thumbnail can be displayed on a television screen And a recording / reproducing apparatus. In addition, in this specification, a removable recording medium means
It refers to a recording medium such as a video tape or a video disk that can be reproduced by other devices by exchanging the recording medium.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic block diagram showing an embodiment of a recording / reproducing apparatus according to the present invention, and FIG.
FIG. 3 is an explanatory diagram showing the data structure of the HD in FIG. 1, FIG. 4 is an explanatory diagram showing the HDD navigation screen, and FIG. 5 is an explanatory diagram showing the dubbing screen of the HDD navigation screen. FIG. 6 is an explanatory view showing a VHS navigation screen,
FIG. 7 is an explanatory diagram showing a thumbnail correction screen in the VHS navigation.

[0009] The apparatus 10 shown in FIG.
V and external input terminals IN1 and IN2 are provided as input terminals, and an output terminal OUT for connecting to an external television receiver (TV: also simply referred to as a television) 1 is provided. The device 10 also has a TV tuner (also simply referred to as a tuner) 11 and a CPU 12
, VTR unit 13, A / D converter 14 as a hard disk block, HDD unit 15 and D / A converter 16
And switches 17 and 18 and a display 19 such as an LCD.
And a remote control transmitter (hereinafter simply referred to as a remote control) 20a and a remote control receiver 20b. The remote controller 20a is used as operation buttons as CH1 to CH12 for channel selection.
In addition to the buttons, there are an HDD button, a VHS button, a cross select button for moving a cursor, a decision (OK) button, an end (navi) button, and a “store” button.

The switch (SW1) 17 controls the output of the tuner 11, the external input terminal IN1,
IN2 input, VTR unit 13 output, HDD unit 15 (D
/ A converter 16) to select one or two outputs and
The data is output to the R unit 13 and the HDD unit 15 (A / D converter 14). The switch (SW2) 18 selects the output of the VTR unit 13 or the output of the HDD unit 15 (D / A converter 16) under the control of the CPU 12, and outputs it to the output terminal OUT.
That is, one of the VTR section 13 and the HDD section 15 can simultaneously perform recording and the other can simultaneously perform reproduction.

Referring now to FIG. 2, HDD unit 15 and CPU
Twelve configurations will be described. First, at the time of HDD recording, a signal (content) from the A / D converter 14 shown in FIG.
The recording signal processing unit 31 performs recording signal processing such as compression in the MPEG system, and this data is transmitted to the HD 23 under the control of the recording controller 21 and the media manager 22.
To be recorded. Also, when playing back the HDD, the HD2
3 is sent to a playback signal processing unit 25 under the control of the media manager 22 and playback controller 24 to perform playback signal processing such as MPEG decompression, and this data is subjected to on-screen display processing under the control of the display controller 26. D / shown in FIG.
It is sent to the A converter 16.

The system controller 28 includes a GUI-format HDD navigation screen (H) described later.
DD navigation screen) and VTR navigation screen (VH
An image file, text data, and the like for creating an S-navigation screen are stored in advance, and the created data of the HDD navigation screen and the VHS navigation screen are compressed in, for example, the JPEG format and recorded on the HD 23. Is done.

The system controller 28 constitutes thumbnail creation and storage means, and the system controller 28, the display controller 26 and the on-screen display processing section 27 constitute thumbnail display means. Is pressed, control for displaying the HDD navigation screen and the VHS navigation screen on the screen of the television receiver 1 is performed.
A part of the recording controller 21, the media manager 22, the reproduction controller 24, and the display controller 26;
System controller 28 and recording reservation manager 29
Is constituted by the CPU 12 shown in FIG. The system clock 30 is configured by hardware.

The data structure of the HD 23 is, as shown in FIG. 3, a video content area 31 for recording video content for each program (program), and program numbers # 1 to #N recorded in the video content area 31. / HD correspondence table 32 indicating the correspondence between the program and the recording address (sector address, track address), and the HDD of the program recorded in the video content area 31
HDD navigation data area 3 for recording navigation data
3, a VHS navigation data area 34 for recording the VHS navigation data of the program recorded on the tape of the VTR unit 13, the program numbers # 1 to #n recorded on the tape of the VTR unit 13, and the recording address ( It is composed of a program / tape correspondence table 35 indicating the correspondence relationship between the tape number and the tape position). Both the HDD navigation data and the VHS navigation data include thumbnail information and detailed information (title, recording date and time, recording channel, recording mode, recording time, genre, etc.) for each program.

When the HDD recording is started, the system controller 28 controls to sequentially record the video contents in the free area of the video content area 31 for each program, and controls the recording address of the video content area 31 for each program. Is recorded in the program / HD correspondence table 32, and HDD navigation data such as thumbnails is recorded in the HDD navigation data area 33.

When outputting the video content of the designated program recorded in the video content area 31 of the HD 23, the system controller 28 sets the recording address of the designated program in the video content area 31 to the program / HD correspondence table. 32, the video content of the designated program is read out from the video content area 31. The read designated program includes a media manager 22, a playback controller 24,
The data is sent to the on-screen display processing unit 27 via the reproduction signal processing unit 25, and is written into a VRAM (not shown) in the on-screen display processing unit 27 under the control of the display controller 26, and is also read out and stored in
The signal is sent to the TV 1 or the switch 17 via the A converter 16 and the switch 18. When continuously reproducing a plurality of designated programs on the HD 23, the program / HD correspondence table 32 is searched for the recording address of each designated program.

The system controller 28 also controls the HD2
3 and reproduces the video content recorded in the VHS unit 13
When dubbing recording on a tape is started, control is performed to record the video content on the tape of the VTR unit 13 for each program, and the recording address on the program / tape correspondence table 35, and the HDD navigation is performed. The HDD navigation data on the data area 33 is recorded (copied) in the VHS navigation data area 34 as VHS navigation data.

When displaying thumbnails in a multi-window on the HDD navigation screen or the VHS navigation screen, H
DD navigation data area 33, VHS navigation data area 3
4 are sent to the on-screen display processing unit 27 via the media manager 22, the reproduction controller 24, and the reproduction signal processing unit 25, and the HDD navigation screen, VHS The image file for the navigation screen is sent to the on-screen display processing unit 27 via the reproduction controller 24 and the reproduction signal processing unit 25, and is synthesized on the VRAM in the on-screen display processing unit 27. The signal is sent to the TV 1 via the A converter 16 and the switch 18.

As shown in FIG. 4, the HDD navigation screen is an HD navigation screen.
23, a “simple save” page for copying the content recorded on the HD 23 to the tape of the VTR unit 13, and an “edit” page. It is composed of three basic pages, each of which can be selectively displayed by selecting its tab. A detail page is linked to each basic page.

The HDD navigation screen and a VHS described later
At the bottom of the navigation screen, regardless of the selected page, a cross-selection button on the remote control 20a and an OK (OK) button
The operation guidance of the button and the end (navigation) button is displayed. The cross select button cannot move the cursor to any position on the screen, but the button position according to the GUI screen,
It is possible to move only to a limited position such as a tag position.

<Outline of HDD Navigation> (1) HDD navigation data is stored in the HD 23. (2) Up to 60 programs. (3) Genre is large classification 12 + α (16 types) defined in BS digital broadcasting. (4) Program title is 15 alphanumeric characters. (5) Thumbnail registers the screen at the start of recording. At the time of scheduled recording, the screen at the start of recording is captured once, and in the case of a reservation of 5 minutes or more, it is captured and updated again 5 minutes after the start of recording. At this time, the system controller 28 creates a thumbnail based on the screen at the start of recording, and
In addition to recording in the navigation data area 33, a timer is started at the time of scheduled recording, and when five minutes have elapsed, a new thumbnail is created based on the screen at that time and overwritten the HDD navigation data area 33.

(6) The thumbnail can be replaced on the thumbnail modification screen. (7) When a thumbnail is designated by a cursor, detailed information (program title, recording date and time, recording channel, recording mode, recording time, genre, icon, etc.) is displayed below the thumbnail.
Is displayed. (8) Under the detailed information, a “play”, “correct”, “delete”, and “cancel” button are displayed.

<HDD navigation screen-search page> (1) Remote control 2 in HDD operation mode with power on
When the end (navigation) button of 0a is pressed, it is displayed as the first page of the HDD navigation screen. The cursor is displayed, for example, on the thumbnail of the latest program, and moves (scrolls) for each thumbnail according to the operation of the cross selection button. (2) The thumbnails are displayed in the order of recording. The reserved program displays "reserved" in the last thumbnail column. (3) When the decision (OK) button is pressed with the thumbnail specified by the cursor, the cursor is moved to the "play" button, and when the decision (OK) button is pressed in this state, the reproduction of the program is started. .

(4) In the case where a plurality of programs are continuously played back, when the "store" button of the remote controller 20a is pressed with the thumbnail designated by the cursor, the playback order is registered, and a number indicating the playback order is displayed in the thumbnail. It is superimposed on the display (see FIG. 5). In the case of canceling, if the "store" button of the remote controller 20a is pressed while the thumbnail is designated by the cursor, the reproduction order is erased from the thumbnail. When the cursor is moved to the "play" button and the decision (OK) button is pressed, continuous playback is started.

<HDD Navigation Screen—Easy Save Page> (1) When the “OK” button is pressed with the “easy save” tag of the cue page specified by the cursor, FIG.
The simple save page as shown in is displayed. The contents of this easy save page are almost the same as the cue page except for the buttons of “execute”, “delete after execution”, “cancel” and “midnight”. (2) The thumbnails are displayed in the order of recording. (3) When the OK button is pressed while the thumbnail is designated by the cursor, the cursor is moved to the "execute" button. When the "OK" button is pressed with the "execute" or "erase after execution" button designated by the cursor, a tape insertion message is displayed, and then the OK (O
K) When the button is pressed, dubbing of the program starts.

(4) In the case of continuous dubbing, the "memory" of the remote controller 20a with the thumbnail designated by the cursor
When the button is pressed, the playback (dubbing) order is registered, and a number indicating the playback order is superimposed and displayed on the thumbnail (see FIG. 5). In the case of canceling, if the "save" button of the remote controller 20a is pressed while the thumbnail is designated by the cursor, the order of reproduction (dubbing) is erased from the thumbnail. Cursor is "execute" or "delete after execution"
When you move to the button and press the OK button,
Start continuous playback (dubbing). When performing continuous dubbing, the program reproduced by the HDD unit 15 is transmitted to the D / A converter 1.
The program is supplied to the switch (SW1) 17 via the switch 6, and the program reproduced by switching the switch (SW1) 17 is output to the VTR unit 13.

(5) If "Execute" is selected after the dubbing is completed, the program is not deleted from the HD 23.
If the “delete after execution” button has been selected, the program is deleted from the HD 23. However, it is not erased when dubbing fails due to insufficient tape capacity or interruption.

(6) A midnight dubbing mode is provided by a "late night" button. When dubbing is performed in the midnight dubbing mode, the dubbing is performed during a preset time zone (for example, between 2 am and 5 am). Since the dubbing operation is performed, dubbing can be performed using the midnight hours when the apparatus is not used. In this case, a late-night dubbing button may be provided on the remote controller 20a in addition to or instead of the “midnight” button.

If "execute" is selected after the end of dubbing, the thumbnail information of the program is stored in the HD23.
The data is copied to the upper VHS navigation data area (the HDD navigation data area on the HD 23 is not deleted). If the “delete after execution” button has been selected, the thumbnail information of the program is moved to the VHS navigation data area on the HD 23 (the HDD navigation data area on the HD 23 is deleted). Similarly, when dubbing is unsuccessful, such as when the remaining amount of tape is insufficient or the tape is interrupted, it is not erased.

<Overview of VHS Navigation> (1) The VHS navigation data is H in the same manner as the HDD navigation data.
Although stored in D23, it is assumed here that it is stored in the individual areas 33 and 34 of the HD 23. In order to save the storage area, the same data may be stored only in the HDD navigation data area 33, and a flag may indicate whether the HDD navigation is dedicated to the HDD navigation or the HDD navigation / VHS navigation. (2) Up to 680 tapes can be registered, and up to 2000 programs can be registered. (3) The genre is the major category defined by BS digital broadcasting 12 + α (16 types) (4) The program title is 15 alphanumeric characters

(5) The thumbnail is registered with the screen at the start of recording (when dubbing from the HD, no new thumbnail is created.
Copy or move DD navigation data). At the time of scheduled recording, the screen at the start of recording is captured once, and when the reservation is 5 minutes or longer, the screen is captured again and updated 5 minutes after the start of recording. However, thumbnails cannot be registered during recording and playback on the HDD side. In that case, "thumbnail not registered" is displayed at the position of the thumbnail except for the above copy or move. (6) The thumbnail can be replaced on the thumbnail modification screen. That is, a thumbnail is read out from the HD 23 and can be displayed on the screen of the television 1, and among the thumbnails displayed on the screen of the television 1, the video content corresponding to the thumbnail designated by the user is displayed as a moving image on a part of the screen of the television 1. Then, the moving image at the time point designated by the user is displayed as a still image on another portion of the screen of the television 1 and taken in. Thus, the newly selected thumbnail can be recorded on the HD 23 instead of the previously designated thumbnail. (7) When a thumbnail is designated by a cursor, detailed information (program title, recording date and time, recording channel, recording mode, recording time, genre, icon, etc.) is displayed below the thumbnail.
Is displayed.

As shown in FIG. 6, the VHS navigation screen includes a “search” page, a “recording date order” page, and a “genre search”.
The page is composed of four pages, that is, a page and a “tape number order” page. Each page is selected by designating each tab with a cursor using a cross selection button and pressing an enter button. The tag of the "start" page displays a 4-digit tape number recorded in advance on the control track at the time of the first recording of the tape.

<VHS Navigation Screen-Cueing Page> (1) Remote control 2 in VHS operation mode with power on
When the end (navigation) button of 0a is pressed, it is displayed as the first page of the VHS navigation screen. The cursor is displayed, for example, on the thumbnail of the latest program, and moves (scrolls) for each thumbnail according to the operation of the cross selection button. (2) The thumbnails are displayed in the order of recording. The reserved program displays "reserved" in the last thumbnail column. (3) When the decision (OK) button is pressed with the thumbnail specified by the cursor, the cursor is moved to the "play" button, and when the decision (OK) button is pressed in this state, the reproduction of the program is started. .

(4) In the case where a plurality of programs are continuously played back, if the "save" button of the remote controller 20a is pressed while the thumbnail is designated by the cursor, the playback order is registered and registered in the same manner as shown in FIG. Display it superimposed on the thumbnail. In the case of canceling, when the “store” button of the remote controller 20a is pressed while the thumbnail is specified by the cursor,
Erase the playback order from the thumbnail. When the cursor is moved to the "play" button and the decision (OK) button is pressed, continuous playback is started.

<VHS Navi-Thumbnail Correction> On the start page of the VHS navigation screen shown in FIG. 6, when the OK button is pressed with the thumbnail specified by the cursor, the cursor is moved to the "play" button. In this state, the cursor is moved to the "correct" button and determined (OK).
When the button is pressed, a thumbnail correction screen as shown in FIG. 7 is displayed. In this screen, the video being reproduced is displayed in the left thumbnail window, registered thumbnails are displayed in the right thumbnail window, and the cursor is displayed at the position of the "capture" button.

When modifying the thumbnail of the VHS navigation, the HD
The thumbnails already recorded in 23 are output to the right thumbnail window in FIG. The program reproduced from the VTR unit 13 is supplied to a switch (SW1) 17, and the program reproduced by switching the switch (SW1) 17 is supplied to the HDD unit 15 via the A / D converter 14. Then, the recorded moving image is recorded on the HD 23 via the recording signal processing unit 31, the recording controller 21, and the media manager 22, and then the recorded moving image is read and output to the left thumbnail window.

In this state, the play button of the remote control 20a
When the rewind button and the fast forward button are operated, the removable recording medium is reproduced according to the operation, and the reproduced video is displayed in the thumbnail window on the left side of the thumbnail modification screen shown in FIG. When the "OK" button is pressed with the "capture" button specified by the cursor, the video in the left thumbnail window is overwritten on the VHS navigation data area 34 and replaced with the right thumbnail window for display. In this state, the image of the previous screen can be selected by the “previous screen” button. When the "OK" button is pressed while the "capture" button is designated by the cursor, the video in the right thumbnail window is corrected and registered as a corrected thumbnail.

<HDD Navigation-Thumbnail Correction> Registered thumbnails of the HDD navigation can be registered on the same correction screen. That is, in the heading page of the HDD navigation screen shown in FIG. 4, when the OK button is pressed while the thumbnail is specified by the cursor, the cursor is moved to the “play” button, and the cursor is “corrected” in this state. "OK" button after moving to the "" button, a thumbnail correction screen of the HDD navigation is displayed. Although this screen is not shown in the drawing, it is the same except that the title “VHS navigation” of the thumbnail modification screen of the VHS navigation shown in FIG. The thumbnail image is displayed, the registered thumbnails are displayed in the right thumbnail window, and the cursor is displayed at the position of the “capture” button.

When the play button, rewind button, and fast forward button of the remote controller 20a are operated in this state, the removable recording medium is reproduced according to the operation, and the reproduced video is displayed on the left thumbnail / thumbnail image of the thumbnail correction screen. Display in a window. When the “OK” button is pressed while the “capture” button is specified by the cursor,
The video in the left thumbnail window is overwritten on the HDD navigation data area 33 and replaced with the right thumbnail window for display. In this state, the image of the previous screen can be selected by the “previous screen” button. When the "OK" button is pressed while the "capture" button is designated by the cursor, the video in the right thumbnail window is corrected and registered as a corrected thumbnail.

[0040]

As described above, according to the present invention, when a plurality of video contents are recorded on a removable recording medium, a thumbnail of each video content which can be displayed on a television screen is created and a large-capacity recording medium is created. , And output this so that thumbnails can be displayed on the TV screen, so that when a large number of programs are recorded on a removable recording medium, it is easy to understand which programs are recorded in which order, A desired program can be reproduced in a desired order by a simple operation.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram showing an embodiment of a recording / reproducing apparatus according to the present invention.

FIG. 2 is a block diagram showing an HDD unit and a CPU of FIG. 1 in detail.

FIG. 3 is an explanatory diagram showing a data structure of the HD in FIG. 1;

FIG. 4 is an explanatory diagram showing an HDD navigation screen.

FIG. 5 is an explanatory diagram showing a dubbing screen of an HDD navigation screen.

FIG. 6 is an explanatory diagram showing a VHS navigation screen.

FIG. 7 is an explanatory diagram showing a thumbnail modification screen of the VHS navigation.

[Explanation of symbols]

13 VTR unit 15 HDD unit 23 HD (Large-capacity recording medium) 26 Display controller 27 On-screen display processing unit 28 System controller (constitutes thumbnail creation and storage means. The display means is constituted.)

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 5/76 H04N 5/91 N 5/765 5/93 Z 5/781 5/781 510F 5/93 F Terms (Reference) 5C052 AA01 AB04 CC11 DD04 EE03 5C053 FA06 FA15 FA21 FA23 GB36 GB37 JA30 LA07 5D044 BC01 CC04 DE14 DE17 DE23 DE38 EF05 FG18 GK12 HL14 5D077 AA22 AA38 BA14 CA02 CB02 DC16 HC12 HC14 HC17 A26 DA02 DA02 DA14 DA20 DB06 DC05 DC15 DE04 DE06 EA08 EA17 FA04 FA09

Claims (5)

[Claims] 1. A recording / reproducing apparatus for recording and reproducing video contents on a large-capacity recording medium and a removable recording medium, wherein a plurality of video contents can be displayed on a television screen when the plurality of video contents are recorded on the removable recording medium. Means for creating a thumbnail of each video content and storing it on the large-capacity recording medium; and means for outputting a thumbnail of each video content stored on the large-capacity recording medium so that the thumbnail can be displayed on a television screen. A recording / reproducing apparatus comprising: 2. When continuously reproducing a plurality of video contents recorded on the removable recording medium, a thumbnail of each of the video contents is displayed on a television screen so that a user can specify the reproduction order and the video contents to be reproduced. 2. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus outputs the video content so as to be displayed as a thumbnail and continuously reproduces the specified video content in a specified reproduction order. 3. When a plurality of video contents are recorded on the large-capacity recording medium, a thumbnail of each video content that can be displayed on a television screen is created and stored in the large-capacity recording medium. When dubbing a plurality of video contents recorded on the removable recording medium, it is preferable to substitute a thumbnail of the video content recorded on the large-capacity recording medium as a thumbnail of the video content dubbed on the removable recording medium. The recording / reproducing apparatus according to claim 1 or 2, wherein: 4. The method according to claim 1, wherein the thumbnail is created by capturing a video at the start of recording, and in the case of scheduled recording, the thumbnail is captured and updated again after a lapse of a predetermined time from the start of recording. The recording / reproducing device according to any one of the above. 5. The removable storage medium reads out the thumbnails from the large-capacity recording medium and enables the thumbnails to be displayed on a television screen, and among the thumbnails displayed on the television screen, video contents corresponding to a thumbnail designated by a user. The video is reproduced and displayed as a moving image on a part of the television screen, and the moving image at the time specified by the user is displayed as a still image on another part of the television screen and captured, and the thumbnail specified earlier is displayed. The recording / reproducing apparatus according to any one of claims 1 to 4, wherein the recording / reproducing apparatus is configured to perform recording on the large-capacity recording medium instead of recording.