JP2002199330A - Recorder and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance user-friendliness of a play list. SOLUTION: Every time a photographic picture from an A/D converter 16 is recorded onto a recording medium 42 by a recording/reproducing control circuit 38, a CPU 46 prepares the play list automatically as the connection of single cut and records it on both of the recording mediums 42 and 44. In reproduction, the CPU 46 searches whether the play list of pictures to be recorded on the medium 42 exists in the medium 44 and when it does not exist, the CPU 46 searches the medium 42.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording apparatus and a reproducing apparatus in which a reproducing procedure can be programmed.

[0002]

2. Description of the Related Art Conventionally, when a program is created in a commercial recording / reproducing system, a playlist or a reproducing program that defines a reproducing order is prepared from a recording medium that stores information such as images as a database, and based on this, Broadcasting programs and inserting telops and commercials have been performed. The play list is a list (file) that defines a reproduction procedure, a reproduction operation, a reproduction environment, and the like of an image and additional information stored in a certain recording medium. 2. Description of the Related Art In a recent VTR employing a hard disk, a function of editing a recorded cut by rearranging the cut in the same VTR and reproducing the cut based on the editing information is realized.

[0003] The amount of recorded information has been increasing due to improvements in image quality and recording size, but moreover, the capacity of recording media has been rapidly increasing due to advances in semiconductor technology. For example, for a card-type recording medium, 128 megabytes and 2
Products of 56 megabytes have been released, and magneto-optical disks have achieved a storage capacity of several gigabytes. The card-type recording medium and the magneto-optical disk can perform high-speed data access as compared with the conventional magnetic tape, and thus are suitable for reproducing information scattered and stored in a desired order in real time. . Since a complicated mechanism such as a data loading mechanism is not required, attachment / detachment is easy, and it is widely used as a removable medium.

[0004]

However, playlists are used in large-scale systems for business use, broadcast use, and the like, but this is basically the same in consumer hard disk type video recording / reproducing devices. It is. However, in civilian equipment, it is necessary to improve usability and reduce costs.

It is an object of the present invention to provide a recording apparatus and a reproducing apparatus having a simple configuration in which the usability of a playlist is improved.

Another object of the present invention is to provide a recording apparatus and a reproducing apparatus capable of efficiently selecting a desired playlist.

[0007]

A recording apparatus according to the present invention comprises: a playlist creating means for creating a playlist defining a procedure for reproducing information recorded on a first recording medium; and the playlist creating means. Recording means for recording the playlist created by the first and second recording media on both the first recording medium and a second recording medium different from the first recording medium.

[0008] A recording apparatus according to the present invention comprises: a playlist creating means for creating a playlist defining a procedure for reproducing information recorded on a first recording medium; and a playlist created by the playlist creating means. Is recorded on the first recording medium, and the playlist generated by the playlist generating means and identification information for identifying the first recording medium on which the playlist is recorded are stored in the first recording medium. Recording means for recording on a second recording medium different from the recording medium.

A reproducing apparatus according to the present invention is a reproducing apparatus for reproducing information in accordance with a playlist defining a reproducing procedure, wherein a first recording medium for recording the information and the playlist and a playlist can be recorded. A second recording medium, determining means for determining whether a playlist of the information recorded on the first recording medium is recorded on the first and second recording media, The playlists of the information recorded on the recording medium are the first and second playlists.
And reproducing means for reproducing the information recorded on the first recording medium in accordance with the playlist recorded on the second recording medium when the information is recorded on both of the recording media. Features.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings.

(First Embodiment) FIG. 1 is a schematic block diagram of a first embodiment of the present invention applied to an image pickup apparatus. 1
Numeral 0 denotes the imaging apparatus of the present embodiment. 12 is a taking lens,
Reference numeral 14 denotes an image pickup device for converting an optical image from the photographing lens 12 into an image signal, reference numeral 16 denotes an A / D converter for converting an analog output of the image pickup device 14 into a digital signal, and reference numeral 18 denotes a photographing lens 1.
2 is a motor for driving, 20 is a microphone for capturing sound, 2
2 is a microphone amplifier for amplifying the output of the microphone 20, 24
Is an A / D converter for converting an analog output of the microphone amplifier 22 into a digital signal, 26 is an operation key for operating the imaging device 10, 28 is a display driver for converting image data into a display format, and 30 is an image display A display device 32, a speaker driver for driving a speaker 34 in accordance with audio data; 36, an input / output terminal for inputting and outputting various information;
Is a recording / reproduction control circuit, 42 and 44 are detachable recording media, 46 is a CPU for controlling the entire imaging apparatus 10, 48 is a memory used by the CPU 46, and 50 is a power supply.

The recording operation of this embodiment will be described. The image sensor 14 converts an optical image from the photographing lens 12 into an electric image signal. The output of the image sensor 14 is digitized by the A / D converter 16 and input to the CPU 46. CPU4
Reference numeral 6 automatically adjusts the focus of the photographing lens 12 via the motor 18 and controls the zoom. The CPU 46 also
An image reading timing signal is supplied to the image sensor 14. The microphone 20 captures ambient sounds, and the output of the microphone 20 is amplified by the microphone amplifier 22, digitized by the A / D converter 24, and input to the CPU 46.

The CPU 46 applies basic processing such as color separation, white balance, gamma correction and aperture correction to the image data input from the A / D converter 16, and adjusts the image size, image quality and position according to the settings of the operation keys 26. And the like, and further compresses the captured image according to the set compression method and compression parameter to generate compressed image data. The CPU 46 also performs additional processing, such as sound quality adjustment, on the audio data input from the A / D converter 24 in accordance with settings made by the operation keys 26, and generates audio compressed data according to the set compression method and compression parameters. The compressed image data and the compressed audio data are supplied to the recording / reproduction control circuit 38 as recording data together with the control data. The control data includes, for example, information on the imaging apparatus 10 itself, image and audio recording setting information, and additional information such as shooting environment information.

In the recording mode, the recording / reproduction control circuit 38 writes the above-mentioned recording data from the CPU 46 as a file under the management of a file system on the recording medium 42. The file system means a structure system including management information and file data used for file management.
By using a common file system, recording and reproduction can be performed even with different types of recording media or recording and reproducing devices. The CPU 46 supplies the recording data to the external input / output terminal 36 as needed.

For confirmation, the CPU 28 applies the image data from the A / D converter 16 to the display device 30 via the display driver 28. Thereby, the user can check the recorded image on the screen of the display device 30.

The power supply 50 supplies power to each circuit block of the imaging device 10.

The recording medium 42 is a removable medium, that is, a removable medium, and includes a memory card containing a semiconductor memory, a magnetic disk, a hard disk, an optical disk or a magneto-optical disk. In this embodiment, a magneto-optical disk is used.

Next, the operation of creating and editing a playlist will be described. In this embodiment, a playlist is synchronized with a synchronized multimedia integrated language SMIL (Synchronized Mu).
ltmedia Intergration Lang
uage). In SMIL, the temporal behavior of the expression, the layout of the expression on the screen, and hyperlinks with multimedia objects can be described. FIG. 2 shows a simple description example. In this example, unique information such as the title of the file, the author, the date and time, and the name of the moving image file to be reproduced are described.

The operation of creating a playlist will be described. The playlist is automatically created as a connection of simple cuts, for example, every time a captured image is recorded on the recording medium 42,
It is recorded on the recording medium 42 with a file name such as “Play001.txt”. The operator may create a playlist at an arbitrary time based on each image, sound, and information recorded on the recording medium 42, and additional information not recorded on the recording medium 42.

As a method of creating a playlist, SM
How to write directly as text according to IL and SMI
There is a method of selecting and correcting L fixed phrases. Alternatively, there is a method of using a GUI (graphical user interface) for creating a playlist according to an operation of displaying recorded images and rearranging, cutting, or linking them. When editing a playlist, in addition to directly editing a playlist file described in SMIL as text, images reproduced by the playlist are displayed, and these are rearranged, cut or concatenated. There is a method of rewriting a playlist according to an operation. In the present embodiment, these processes can be performed by the CPU 46 using the operation keys 26.

When information described in a playlist, for example, a file corresponding to an image file name is deleted, the content of the playlist is automatically corrected. However, the automatic update of the playlist may be prohibited by the function setting of the imaging device 10. In this case, the playlist is not automatically rewritten. Alternatively, the playlist can be edited, but the edited playlist file is saved under a different name.

When a new play list is created or edited, the play list file is recorded on the recording medium 42 and simultaneously on the recording medium 44 via the recording / reproduction control circuit 40. The contents recorded on the recording medium 44 include the playlist itself, a time stamp, a title, and identification information unique to the recording medium 42.

FIG. 3 shows an example of the recorded contents of the recording medium 44. In Card001 which is one of the recording media 44,
The unique identification information DiskID0 of the recording medium 42 on which the actual content described in the playlist is recorded
01, a file name of a playlist, a time stamp, a title, and the like. Also, a plurality of playlists can be recorded together with the unique recognition information of the plurality of recording media 42 on one recording medium. Further, the recording medium 44 having such information is Card001, Card0,
There can be more than one such as 02 and Card003.

The operation of reproducing a playlist in this embodiment will be described. Here, the operation of reproducing the information recorded on the recording medium 42 according to a certain playlist file is called playlist reproduction. In the present embodiment, one or a plurality of playlists existing in the recording
4, a desired playlist is selected from one or a plurality of playlists having unique identification information matching the unique information of the recording medium 42, and the playlist is reproduced. As a selection method, a method of selecting an arbitrary playlist from playlist candidates using the operation keys 26, a time stamp associated with each playlist,
There are a method in which the imaging apparatus 10 automatically selects using information extracted from playlist information such as a title and a file number, and a method in which an operator sets a selection item and a selection method of automatic selection.

The recording medium 44 is made of a removable medium like the recording medium 42, and is, for example, a semiconductor memory, a magnetic disk, a magneto-optical disk, an optical disk, or a rewritable optical disk. Since large data such as image data is not written in the recording medium 44, the recording medium 44 may have a smaller capacity than the recording medium 42. In this embodiment, a memory card containing a semiconductor memory is used.

FIG. 4 shows a flowchart of a playlist creation / update operation in this embodiment.

It is checked whether or not the recording medium 42 is mounted on the imaging device 10 (S1), and it is checked whether or not the recording medium 42 is usable (S2). The medium 42 cannot be used if the proper format is not performed even if it is mounted. If the medium 42 cannot be used (S2), the user is warned to that effect (S3), and the process ends.

When the recording medium 42 is available (S2),
It is determined whether or not the play list creation / editing operation mode is set by the operation key 26 (S4). In a mode other than the playlist creation / editing operation mode (S4),
finish. If it is in the playlist creation / editing operation mode (S4), it is determined whether or not the playlist copy is set (S5). In the present embodiment, it is possible to add a copy prohibition code for controlling whether or not the play list recorded on the recording medium 42 can be copied,
In S5, the copy prohibition code is confirmed. If copying is prohibited (S5), a play list is created or updated on the recording medium 42, and the process ends (S6).

If copying is permitted (S5), it is checked whether the second recording medium 44 is available (S5).
8). If the recording medium 44 is not available (S8), a warning is given to that effect and the process ends. Or jump to S6
A playlist may be created or updated in the recording medium 42. If the recording medium 44 is available (S8),
A playlist is created or updated in the recording medium 42, and a playlist having the above-described contents associated with the recording medium 42 is recorded in the recording medium 44 (S10), and the process ends.

FIG. 5 is a flowchart for reproducing a playlist according to this embodiment. Read various setting items (S2
1) Check whether the recording medium 42 is available (S)
22). When the recording medium 42 is not mounted, or
If it is not properly formatted even if it is attached (S22), a warning is given to that effect and the process ends (S2).
3).

When the recording medium 42 is available (S2
2) It is checked whether or not the recording medium 44 is mounted (S24), it is available (S25), and a play list associated with the recording medium 42 is recorded on the recording medium 44 (S26). When such a playlist is recorded on the recording medium 44 (S26), the playlist is selected by the user or automatically (S27), and the selected playlist is executed (S28). In S27, the playlist on the recording medium 42 may be included in the selection candidates.

Whether the recording medium 44 is loaded (S2
4) whether it is not properly formatted (S25),
When the playlist is not recorded (S26), the respective situations are warned, a desired playlist is selected by the user or automatically from the recording medium 42 (S30), and the selected playlist is executed (S31). .

Thus, the recording medium 42 or 44
The desired video can be reproduced by a simple operation by effectively utilizing the playlist recorded in the.

FIG. 6 shows a second operation flowchart. The operator is not set to prohibit the function of the present embodiment (S41), and the recording medium 44 is mounted (S42).
It is checked whether the playlist is available (S43) and the play list associated with the recording medium 42 is recorded on the recording medium 44 (S43). If any of the conditions is not satisfied, a warning is issued for each situation (S48), and other processing (various processing in the previous operation mode) is executed to execute S
The process returns to S41 (S47).

If a play list exists (S44),
The previous operation mode is appropriately interrupted (S45), and the playlist in the recording medium 44 is executed (S46). The playlist selection method may be the same as the method described above. After the reproduction of the playlist, other processing is executed, and S
The process returns to S41 (S47). After the reproduction of the playlist, the operation mode may return to the previous operation mode.

With the above operation, the play list can be effectively used, the function of the imaging device can be improved, and the operability is improved.

FIG. 7 is a schematic block diagram of a second embodiment of the present invention. 60 and 62 are imaging devices having the same configuration as the imaging device 10, and 64 is a personal computer.

In the imaging device 60, information recorded in the Disk 001, a playlist, and the like are stored in the Card 001, and the Di
It is copied together with the unique information of sk001. Card00
1 on the personal computer 64 on the basis of the information in accordance with the intended use, and
Copy to d002, Card003, Card004, etc. The card 003 is inserted into the imaging device 62, and the playlist is reproduced on the imaging device 62 according to the playlist in the card 003.

Instead of the personal computer 64,
A device such as an editing device or an electronic device having only a copy function may be used.

By mounting a copy of the Disk 001 and a recording medium edited or copied by a personal computer 64 or the like on another device having the same function as the imaging devices 60 and 62, a playlist corresponding to the intended use can be obtained. Playback can be done automatically.

The function of the imaging apparatus can be improved by automatically realizing the reproduction of the playlist for each purpose.

[0042]

As can be easily understood from the above description, according to the present invention, a flexible play list can be reproduced. A playlist can be associated with a specific recording medium.

When a playlist exists in both the first recording medium and the second recording medium, the playlist in the second recording medium is preferentially reproduced, thereby allowing the playlist or the playlist intended by the operator to be reproduced. Playlists created and edited by the operator can be preferentially selected.

When a playlist exists in both the first recording medium and the second recording medium, the playlist in the second recording medium, which indicates information unique to the first recording medium, is used. By preferentially reproducing, a playlist intended by the operator or a playlist created and edited by the operator is preferentially selected. In addition, since the content indicated by the play list can be preferentially selected only for the content that reliably exists in the first recording medium, the operability is improved.

A plurality of playlists on both the first recording medium and the second recording medium, in which information extracted from the selection operation means or playlist information such as a time stamp, title, or file number of the playlist is sorted. By playing back a specific playlist using the means selecting means selected by the user, the operator can efficiently select a required playlist according to circumstances.

When the second recording medium is mounted from the non-mounted state, the operation before the mounting is shifted to the reproduction mode according to the play list in the second recording medium, so that the second recording medium is inserted. The play list intended by the operator or the play list created and edited by the operator is automatically reproduced only by the operation, so that the operability is further improved.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram of an embodiment of the present invention.

FIG. 2 is a playlist description example of the present embodiment.

FIG. 3 is an example of recorded contents of the present embodiment.

FIG. 4 is a flowchart of a recording operation according to the embodiment.

FIG. 5 is a reproduction operation flowchart of the embodiment.

FIG. 6 is another flowchart of the reproducing operation of the embodiment.

FIG. 7 is a block diagram illustrating an example of a usage configuration according to the present exemplary embodiment.

[Explanation of symbols]

 10: Imaging device 12: Photographing lens 14: Imaging device 16: A / D converter 18: Motor 20: Microphone 22: Microphone amplifier 24: A / D converter 26: Operation key 28: Display driver 30: Display device 32: Speaker driver 34: Speaker 36: Input / output terminal 38, 40: Recording / reproduction control circuit 42, 44: Recording medium 46: CPU 48: Memory 50: Power supply 60, 62: Imaging device 64: Computer

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 5/93 H04N 5/93 Z F term (Reference) 5C052 AB03 AB08 CC06 CC20 5C053 FA14 FA23 HA30 JA21 JA22 JA30 KA05 LA05 LA06 5D044 DE24 DE49 GK12 5D077 AA17 AA22 AA23 BA15 BA19 CB06 5D110 AA12 AA27 AA29 BB06 BB07 DA04 DA10 DA11 DA14 DB02 DB08

Claims (7)

[Claims] 1. A play list creating means for creating a play list defining a procedure for reproducing information recorded on a first recording medium, and a play list created by the play list creating means in the first recording medium. Recording means for recording on both a medium and a second recording medium different from the first recording medium. 2. A play list creating means for creating a play list defining a procedure for reproducing information recorded on a first recording medium, and a play list created by the play list creating means in the first recording medium. The playlist recorded on the medium and the playlist generated by the playlist generating unit and identification information for identifying the first recording medium on which the playlist is recorded are different from the first recording medium. 2
Recording means for recording on a recording medium according to (1). 3. A reproducing apparatus for reproducing information according to a playlist defining a reproducing procedure, comprising: a first recording medium for recording the information and the playlist; and a second recording medium capable of recording the playlist. Determining means for determining whether or not a play list of the information recorded on the first recording medium is recorded on the first and second recording media; and recording means for recording on the first recording medium. When the playlist of the information is recorded on both the first and second recording media, the playlist recorded on the first recording medium according to the playlist recorded on the second recording medium. A reproducing apparatus comprising: reproducing means for reproducing information. 4. The reproducing apparatus according to claim 3, wherein identification information of a recording medium for recording the target information is added to the playlist recorded on the second recording medium. 5. The reproducing apparatus according to claim 3, further comprising a selection unit for selecting a desired playlist from a plurality of playlists. 6. The reproducing apparatus according to claim 5, wherein the selecting means selects a desired playlist based on at least one of a time stamp, a title, and a file number of the playlist. 7. The reproducing apparatus according to claim 3, further comprising a mode for shifting to a playlist reproducing mode in accordance with the mounting of the second recording medium.