JP2004310850A - Recording and reproducing device and play list preparing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To realize a play list preparation function capable of easily accessing an image position or image range with high significance without making any difference between an optical disk for reproduction only and an optical disk for recording. <P>SOLUTION: A user can easily reproduce a partial area on the basis of play list information by preparing a start position or area range information of an optional area of a storage area of an optional recording medium handled by a recording and reproducing device as play list information. When the recording medium for which the user prepares the play list information is reproduced again, the time and effort of the user's operation can be saved by automatically displaying play list retrieval and the play list information on the screen because of the high possibility of reproducing the partial area registered in the play list by the user is. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to position or range information specified by a user for moving image and audio information recorded on an optical disk such as a DVD (Digital Versatile Disk) -VIDEO, a DVD-R (Recordable), and a DVD-RAM (Random Access Memory). And a recording / reproducing device for managing the
[0002]
[Prior art]
Conventionally, video and audio information recorded on an optical disc is managed by creating library information each time an image is recorded, collectively managing and displaying the library information in a hard disk so that it can be edited. Manages images held on fixed disks or optical disks. (For example, Patent Document 1)
[0003]
[Patent Document 1]
JP-A-2002-150754 (pages 10 to 14, FIGS. 2 to 16)
[0004]
[Problems to be solved by the invention]
In the above Patent Document 1, it is assumed that the library information is created at the time of recording an image. Therefore, for example, a read-only optical disk and a recordable optical disk are treated equally, and the library information is used to specify the image recorded on the optical disk. There is a problem that a highly convenient operation cannot be performed when the reproduction is performed by designating the range.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to provide a recording / reproducing apparatus capable of easily accessing a highly important image position or image range without distinction between a read-only optical disk and a recordable optical disk.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, a recording / reproducing apparatus of the present invention is configured to record and reproduce image information on a detachable first recording medium and a built-in second recording medium, Creating means for creating playlist information relating to a start position or area range of a certain area in each of the first and second recording media; and storage means for storing the playlist information in the second recording medium. A search unit for searching whether or not the playlist information corresponding to the first recording medium is recorded on the second recording medium when reproducing the first recording medium; and wherein the playlist information exists. Display means for automatically displaying playlist information in such a case.
[0007]
Further, according to the playlist creation method of the present invention, based on an operation of a playlist button at the time of reproduction, time information is calculated with reference to a head position of a medium on which title information being reproduced is recorded, and the title information is converted to the title information. A first step of acquiring from the recording medium, a second step of checking whether or not playlist information corresponding to the title exists in the recording medium; A third step of creating corresponding playlist information, recording time information at the start time of the first block, and displaying the corresponding playlist information, if any, and the playlist displayed on the screen When the start time is selected in the information, the time information is recorded at the selected start time, and when the end time is selected, Characterized in that comprising a fourth step of recording the time information-option end time.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic system configuration diagram for explaining an embodiment of the recording / reproducing apparatus of the present invention.
In FIG. 1, an optical disk 100 such as a DVD-RAM or a DVD-R in the system is driven, and a disk drive 102 that can execute writing and reading of information on the optical disk 100 and a hard disk 101 are driven. According to the present invention, there is provided a controller 103 capable of writing and reading information including playlist information to and from the hard disk 101, an encoder unit 104 constituting a recording side, and a decoder unit 105 constituting a reproducing side. A microcomputer block 106 for comprehensively controlling the operation of the apparatus main body including a playlist information management unit 1061, a driver 107 for writing and reading information including playlist information to and from the memory card 110, External devices and data And as a component of a communication unit 108 that communicates.
[0009]
Under the control of the microcomputer block 106, the analog image signal and the analog audio signal input to the encoder unit 104 are encoded into a digital image signal and a digital audio signal, and the data is encoded via the data processor 109, the disk drive 102, and the controller 103. 100 or the hard disk 101.
[0010]
Also, based on the control of the microcomputer block 106, the digital image signal and the digital audio signal recorded on the optical disk 100 or the hard disk 101 via the data processor 109 and the disk drive 102 are converted by the decoder unit 105 into an analog image signal and an analog audio signal. And output to the outside.
[0011]
Further, the playlist information management unit 1061 can create and manage playlist information relating to the start position or area range of the partial area of the storage area of the hard disk 101 and the optical disk 100. Based on the control, when the optical disc 100 is inserted, the playlist information corresponding to the optical disc 100 can be automatically output on the screen. Further, under the control of the playlist information management unit 1061, writing and reading of playlist information with the memory card 110 via the driver 107 can be performed. Further, the playlist information can be transmitted / received to / from an external device via the communication unit 108 based on the control of the playlist information management unit 1061.
[0012]
Next, a description will be given of the playlist creation, management, and transfer functions in the recording / reproducing apparatus having such a structure.
[Playlist creation function]
First, the playlist creation function will be described. FIG. 2 shows a playlist menu screen in title-specific mode, and FIG. 3 shows a playlist menu screen in title list mode, that is, a playlist menu screen listing only title information of a playlist created previously.
[0013]
By operating the playlist button 1111 of the key input unit 111 during reproduction of the title (program) recorded on the optical disk 100 or the hard disk 101, a playlist menu as shown in FIG. 2 is displayed on the screen.
[0014]
A playlist is created for each title, and includes a plurality of blocks 21A to 21C. Each of the blocks 21A to 21C is a scene, that is, a representative image of a partial area of the title 22, a start time 23, an end time 24 of the scene based on the head position of the medium on which the title 22 is recorded, and a GUI (graphical) such as a software keyboard. A comment 25 entered using a User Interface screen is stored.
[0015]
If the playlist of the title 22 being reproduced does not exist in the playlist management area of the hard disk 101, a playlist dedicated to the title 22 is newly created, and the playlist button 1111 is set as a representative image of a scene in the first block of the playlist. A reduced image of the image displayed on the screen immediately after pressing, time information based on the media start position as the start time, that is, until the playlist button 1111 is pressed from the media start position by normal playback. The required time is recorded, and a playlist menu as shown in FIG. 4 is displayed.
[0016]
When the playlist of the title 22 exists in the playlist management area of the hard disk 101, for example, the contents of the playlist corresponding to the title 22 being reproduced are displayed on the screen as shown in FIG. The user selects the start time 23 to set the time information based on the media start position as the scene start time 23, and selects the end time 24 to set the time information based on the media start position as the scene end time 24. Can be set to
[0017]
When a comment is selected, a character input GUI screen such as a software keyboard is separately displayed, and a sentence suitable for the description of the registered scene can be recorded.
[0018]
An operation example of such a playlist creation function will be described with reference to the flowchart of FIG.
In FIG. 5, when the playlist button 1111 is operated during reproduction of a title (S511), under the control of the playlist information management unit 1061 of the microcomputer block 106, the start position of the medium on which the title being reproduced is recorded. Is calculated (S512), and information on the title being reproduced is obtained from the medium (S513).
[0019]
Next, it is checked whether a playlist corresponding to the title exists (S514). If not, a playlist corresponding to the title being reproduced is created, and time information is recorded at the start time of the first block. (S520). If it exists, the corresponding play list is displayed on the screen (S515). If the start time 23 is selected (S516), the time information is recorded at the selected start time 23 (S521), and the process ends. When the time 24 is selected (S517), time information is recorded at the selected end time 24 (S522). When the comment 25 is selected (S518), a character input GUI screen is displayed, and a sentence is recorded in the selected comment 25 (S523). When an item other than the above is selected, a predetermined operation described later is executed (S519).
[0020]
[Scene playback using playlist]
Next, scene reproduction using a playlist will be described. FIG. 6 is a flowchart illustrating a scene reproduction operation using a playlist.
When the playlist button 1111 is operated during title playback, a playlist menu screen in title-specific mode as shown in FIGS. 2 and 4 is displayed. When not playing, a playlist menu screen in the title list mode is displayed as shown in FIG. 3, and when the user selects a title, a playlist menu screen for each title as shown in FIG. 2 or FIG. 4 is displayed. Is done.
[0021]
When the user selects the block start button 26 of the block in which the start time or scene range of the scene to be reproduced is recorded and the reproduction menu 27 is selected, the start time recorded in the block under the control of the playlist information management unit 1061 , The start position of the scene to be reproduced is calculated, and if there is end time information, the scene is reproduced up to the end position of the scene to which the scene belongs if there is no end time information. When a plurality of scenes are to be reproduced continuously, it is preferable to select the block selection button 26 of the block in which the scene start time or the scene range is recorded according to the reproduction order and select the reproduction menu 27.
[0022]
Scene reproduction using such a playlist is realized by, for example, the following operation. That is, in FIG. 6, when the playlist button 1111 is operated (S610), under the control of the playlist information management unit 1061 of the microcomputer block 106, information on the operation status of the recording / reproducing device is acquired (S611). It is determined whether the title is being reproduced (S612). If the title is not being reproduced, a playlist menu screen in the title list mode is displayed (S619), and the process continues waiting until a title is selected (S620). After the title is selected, a playlist menu screen of the selected title is displayed (S615). If the title is being reproduced when the playlist button 1111 is pressed, it is determined whether or not there is a playlist corresponding to the title being reproduced (S613). If not, a playlist generation routine is executed. (S614). If a playlist exists, a playlist menu screen of the title being reproduced is displayed (S615).
[0023]
When the block selection button 26 is selected during the display of the playlist menu screen in the title-specific mode (S616), the selected state of the block is determined (S621). Then, the selected block is added to an FIFO (First-In First-Out) type playlist (S622). If it is in the selected state, the display during block selection is turned off, and the selected block is deleted from the playlist (S623).
[0024]
When the play menu 26 is selected while the playlist menu screen of the title mode is displayed (S617), the blocks are read out in the order registered in the play list, and the scenes are read in accordance with the scene start time or scene range information recorded in the blocks. The reproduction is started (S624). When an item other than the above is selected, a predetermined operation described later is executed (S618).
[0025]
In this way, by registering scene information of an arbitrary title in a playlist and enabling reproduction, a user can easily search for and reproduce a desired scene. In addition, since the playlist creation function and the playback function can register an arbitrary scene in the playlist without distinguishing the read-only optical disk, the recordable optical disk, and the hard disk 101, the degree of freedom is higher than that of a chapter prepared in advance by a manufacturer.
[0026]
[Manually remove blocks from playlist]
Next, a method of manually deleting a block from a playlist will be described.
It is possible to select a block by operating the block selection button 26 and finally delete one or more selected blocks by operating the erase menu 28.
[0027]
By making it possible to delete blocks from the playlist, unnecessary scene information can be deleted and the capacity of the hard disk 101 can be used effectively.
[0028]
[Automatic display function of playlist menu screen]
Next, an automatic display function of a playlist menu screen when an optical disc is inserted will be described.
When there are a plurality of playlists corresponding to the titles recorded on the optical disc 100 mounted on the disc drive 102, the playlist menu screen in the title list mode is displayed. Display the screen automatically. If the title of the playlist created previously is viewed again, there is a high possibility that the scene registered in the playlist will be played, so by displaying the playlist menu screen when inserting the optical disc as described above, It is possible to save the trouble of the user's operation.
[0029]
[Playlist transfer function]
Next, a playlist transfer function according to the present invention will be described with reference to FIGS. 7 shows a playlist transfer destination selection screen, FIG. 8 shows a playlist transfer source selection screen, FIG. 9 shows a playlist title selection screen, FIG. 10 shows a playlist block selection screen, and FIG. 6 shows the relationship between a playback device and media or devices that transmit and receive playlists.
[0030]
When the block selection button 26 is operated to select one or a plurality of blocks while the playlist menu screen in the title-specific mode shown in FIG. 2 is displayed, and finally the transfer menu 29 is selected, the playlist transfer shown in FIG. The destination selection screen is displayed. When the memory card icon 51 on the screen is selected and the memory card 61 is set in the recording / reproducing apparatus 60, the playlist information including one or a plurality of selected blocks is written to the memory card 61. When the server icon 52 is selected, communication with a predetermined playlist exchange dedicated server 62 is started, and playlist information including one or a plurality of selected blocks is transmitted. When the recording / reproducing device icon 53 is selected, a GUI screen for inputting an IP address is displayed. After the input of the IP address, the recording / reproducing device 63 of the communication destination exists, and transmission permission is obtained in response to a playlist transmission request. In this case, playlist information including one or more selected blocks is transmitted.
[0031]
If the transfer menu is selected without selecting a playlist block, a playlist transfer source selection screen shown in FIG. 8 is displayed. When the memory card icon 54 is selected, the playlist information is read from the memory card when the memory card 61 is set in the recording / reproducing device 60. When a plurality of playlists exist, a playlist title selection screen shown in FIG. 9 is displayed. When only one playlist exists, a playlist block selection screen shown in FIG. 10 is displayed.
[0032]
When the server icon 55 is selected, communication with a predetermined playlist exchange dedicated server 62 is started, and a playlist title selection screen of FIG. 9 is displayed. When a title is selected on the title selection screen, a playlist block selection screen shown in FIG. 10 is displayed, and the block is selected by operating the block selection button 56 and the selected block is operated by operating the reception button 57. Playlist information can be added to the recording / reproducing device 60 of the user.
[0033]
As described above, when another recording / reproducing device 63 sends a transmission request for a playlist to the recording / reproducing device 60 via the Internet 64, and returns a transmission permission, the playlist transmitted by the recording / reproducing device 63 is returned. Information can be added to the recording / reproducing device 60 of the user.
[0034]
As described above, by enabling transmission / reception of a playlist via a small recording medium such as a network or a memory card, the user can publish the created playlist to others. Further, by using a playlist created by another person, the trouble of creating a playlist can be saved.
[0035]
【The invention's effect】
As described above, according to the recording / reproducing apparatus of the present invention, the user creates playlist information by creating a start position or area range information of an arbitrary area of a storage area of an arbitrary recording medium to be handled, so that the user can convert the playlist information. The partial area can be easily reproduced based on the original.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating a configuration of an image recording / reproducing apparatus according to an embodiment of the present invention.
FIG. 2 is an explanatory diagram for describing a playlist menu screen in a title-specific mode of a playlist function according to the present invention.
FIG. 3 is an explanatory diagram for describing a playlist menu screen in a title list mode of a playlist function according to the present invention.
FIG. 4 is an explanatory diagram for describing a playlist menu screen in a title-specific mode when a new playlist is created in the playlist function according to the present invention.
FIG. 5 is a flowchart illustrating a playlist creation operation according to the present invention.
FIG. 6 is a flowchart illustrating a scene reproducing operation using a playlist according to the present invention.
FIG. 7 is an explanatory diagram for describing a playlist transfer destination selection screen of a playlist transfer function according to the present invention.
FIG. 8 is an explanatory diagram for describing a playlist transfer source selection screen of a playlist transfer function according to the present invention.
FIG. 9 is an explanatory diagram for describing a playlist title selection screen of a playlist transfer function according to the present invention.
FIG. 10 is an explanatory diagram for describing a playlist block selection screen of a playlist transfer function according to the present invention.
FIG. 11 is an explanatory diagram for explaining a relationship between a user's recording / reproducing apparatus according to the present invention and media or devices for transmitting / receiving a playlist.
[Explanation of symbols]
100 optical disk 101 hard disk 102 disk drive 103 controller 104 encoder unit 105 decoder unit 106 microcomputer block 1061 playlist information management unit 107 driver 108 communication unit 109 data processor 110 memory card 111 Key input section 1111: Playlist button

Claims (5)

In a recording and reproducing apparatus for recording and reproducing image information on a detachable first recording medium and a built-in second recording medium,
Creating means for creating playlist information relating to a start position or area range of a certain area in each of the first and second recording media;
Storage means for storing the playlist information in the second recording medium;
Searching means for searching whether or not the playlist information corresponding to the first recording medium is recorded on the second recording medium when reproducing the first recording medium;
A display unit for automatically displaying the playlist information when the playlist information exists. 2. The recording / reproducing apparatus according to claim 1, wherein the second recording medium has a larger recording capacity than the first recording medium. 2. The recording / reproducing apparatus according to claim 1, wherein the play list information can be communicated with another device. A first step of calculating time information based on the start position of the medium on which the title information being reproduced is recorded based on the operation of the playlist button during reproduction, and acquiring the title information from the medium;
A second step of checking whether playlist information corresponding to the title exists on the recording medium;
If the playlist information does not exist, create the playlist information corresponding to the title being reproduced, record the time information at the start time of the first block, and display the corresponding playlist information if it exists. The third step;
In the playlist information displayed on the screen, when a start time is selected, time information is recorded at the selected start time, and when an end time is selected, the selected end time is recorded. And a fourth step of recording time information in the playlist. A comment entry section is added to the playlist information, and when the comment is selected, a step of displaying a character input GUI screen and recording a sentence in the selected comment is added. 4. The playlist creation method according to 4.

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