JP2007060005A - Digital data reproducing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a digital data reproducing device having operability capable of operating contents without any troublesome work to a user, even in an environment in which files in a plurality of formats exist to the same contents. <P>SOLUTION: The digital data reproducing device comprises an integrated storage 104; a re-encoding means 110; an integrated content listing display means 107 for displaying the list of integrated content; a separate encode file retrieval means 108 for retrieving the file of a separate encode system content corresponding to the file of the integrated content from the integrated storage 104 and external storages 105, 106; and a separate encode file display means 109 for displaying a result retrieved by the separate encode file retrieval means 108 corresponding to the display of the integrated content concerned of the listing display by the integrated content listing display means 107, as an index for indicating the presence or absence of the file of the separate encode system content. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a digital data reproducing apparatus such as a player, a recorder, a PC (Personal Computer Assistant), a PDA (Personal Digital Assistant), or the like that reproduces digital data such as an audio file or a moving image file stored therein. The present invention relates to a technique effective when applied to a list display of contents in a digital data reproducing apparatus capable of transferring files for other players.

  In recent years, the capacity of hard disks installed in hard disk recorders and PCs with recording functions has been increasing, and by using multiple tuners, it may be seen from the conventional concept of “recording only the programs you want to watch”. There are an increasing number of users who record programs based on the idea of “recording programs” and “recording all”, and the amount of recorded content is increasing accordingly.

  Although the amount of recorded content increases in this way, the time during which it can be viewed is limited. For this reason, there is an increasing demand for viewing content on portable players so that the user can view the content even while moving or during a little free time.

As an efficient browsing method for content that is diversifying and increasing in this way, as in Patent Document 1, it is registered and stored as a library for each category, such as by genre or by storage location, and the user can select a category. There has been proposed a method for facilitating browsing of content by selecting content after selecting.
JP 2004-221672 A

  When a user wants to view content on a portable player, the content server, such as a recorder or PC that has recorded, re-encodes the file to a data format or bit rate that can be played on the portable player, and Will be transferred to the player.

  Here, the file after re-encoding is a file different from the content source file, and the subsequent management is performed separately from the original file.

  For example, it is assumed that there is a recording file A, and a file A ′ is generated as a result of re-encoding it to a format that can be played back by a portable player. When the user finishes viewing A 'on the portable player and wants to delete this content, it is likely that he wants to delete not only A' but also A, which is the same as the content of the content. .

  In this case, after the user deletes A 'with the portable player, the user searches for A on the server and then deletes it again.

  Further, when performing this work with the configuration described in Patent Document 1, first, after deleting A on the server, searching for A ′ registered as another category and deleting it again is complicated. The same work occurs as well.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a digital data reproducing apparatus having operability that allows a user to operate a content without any complicated work even in an environment where a plurality of files exist for the same content. The purpose is to provide.

  Of the inventions disclosed in the present application, the outline of typical ones will be briefly described as follows.

  A digital data reproduction apparatus according to the present invention includes a built-in storage device that stores content files, and an external storage that can be removed as a re-encoded content file by re-encoding the built-in content file stored in the built-in storage device. Re-encoding means for transferring to the device, internal content list display means for displaying a list of internal contents stored in the internal storage device, and another encoding corresponding to the file of the internal content stored in the internal storage device A list of built-in contents using another encoded file search means for searching for a file of the format content from the internal storage device and the external storage device, and using the search result of the other encode file search means as an index indicating the presence or absence of the file of the other encode format content List display by display means Is obtained by a separate encoded file display means for displaying in correspondence with the display of the internal contents of those are.

  Specifically, when displaying a list of internal contents stored in the internal storage device, the internal storage device and the external storage device are searched for files of different encoding methods in each internal content, and the search is performed. Control is performed so that the result is displayed simultaneously with the built-in content list display means.

  The presence / absence of the same content is indicated by displaying an icon indicating the location, and a file operation instruction such as deletion can be given to the icon.

  The presence / absence of the same content may be represented by the display brightness or brightness of an icon representing the location. In this case, in addition to the above, it is possible to instruct the icon to start content conversion.

  In addition, in order to search for the same content file in another format, the control to give the same file name when creating the file, or the control to give the file creation source file information to the created file, or the original file, Control to have conversion destination file name information.

  Among the inventions disclosed in the present application, effects obtained by typical ones will be briefly described as follows.

  ADVANTAGE OF THE INVENTION According to this invention, the operativity which can operate a content without a complicated operation | work can be provided with respect to a user also in the environment where the file of a several format exists with respect to the same content.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that components having the same function are denoted by the same reference symbols throughout the drawings for describing the embodiment, and the repetitive description thereof will be omitted.

(Embodiment 1)
<Configuration of digital data playback device>
With reference to FIG. 1, the configuration of a digital data reproducing apparatus according to Embodiment 1 of the present invention will be described. FIG. 1 is a block diagram showing a configuration of a digital data reproducing apparatus according to Embodiment 1 of the present invention.

  In FIG. 1, the digital data reproducing apparatus includes a system processor 101, a display unit 102, an input unit 103, and a built-in storage device 104, to which an external storage device 105 and an external storage device 106 are connected. The external storage device 105 and the external storage device 106 are removable storage devices, and examples thereof include a memory card, an optical disk, a USB memory, an external hard disk, and a mobile phone. Also included are portable players that are recognized as external storage devices when connected. In this embodiment, the external storage device 105 is described as an example of a mobile phone, and the external storage device 106 is described as an example of a memory card.

  The system processor 101 includes a CPU, a ROM that stores a program, and a RAM that stores data necessary for executing the program, and includes a built-in content list display unit 107, another encoded file search unit 108, and another encoded file display. The unit 109, the re-encoding unit 110, and the content control unit 111 are realized and each device is controlled.

  The built-in content list display unit 107 is a unit that displays the contents of the content stored in the internal storage device 104 using the display unit 102.

  The different encoding file search means 108 searches the internal storage device 104, the external storage device 105, and the external storage device 106 for files of different encoding methods for the instructed content according to the conditions.

  The separate encoding file display unit 109 receives the search result from the separate encoding file search unit 108 and displays an icon indicating the presence / absence of a file of a different encoding method for the content together with the built-in content list.

  The re-encoding unit 110 converts the content stored in the internal storage device 104 into an encoding format suitable for a player who reproduces the content using the external storage device 105 or the external storage device 106.

  The content control unit 111 performs file control such as deletion and copying of content stored in the internal storage device 104 and content stored in the external storage device 105 and the external storage device 106.

  The display unit 102 displays the execution result of each functional unit.

  The input unit 103 is used to input an instruction from the user, and includes a pointing device such as a keyboard and a mouse, a remote controller, cursor keys, and other various buttons.

  The internal storage device 104 stores a program executed by the system processor 101, user data, a content file to be reproduced, and the like.

  The external storage device 105 and the external storage device 106 store files of different encoding methods in which the content stored in the internal storage device 104 is encoded by the re-encoding unit 110.

<Display example of built-in content list display means>
Next, a display example of the built-in content list display means of the digital data reproducing apparatus according to Embodiment 1 of the present invention will be described with reference to FIG. FIG. 2 is an explanatory diagram for explaining a display example of the built-in content list display means of the digital data reproducing apparatus according to Embodiment 1 of the present invention.

  The display example shown in FIG. 2 is a method proposed in Patent Document 1, and details of the contents are described in Patent Document 1. Therefore, here, the display example is limited to a portion related to the operation of the present embodiment. And explain.

  In FIG. 2, this screen is roughly divided into three areas, and the category selection area 201 displays the category names of the stored contents. By selecting an arbitrary category, the contents within that category are displayed. Are displayed in a list in the content display area 203.

  The content type selection area 202 displays the type of content such as recording, moving image, still image, music, etc., and by selecting this, content of only an arbitrary type is displayed in a list in the content display area 203. .

  The content display area 203 is an area for displaying a list of contents selected in the category selection area 201 and the content type selection area 202. Here, the content image display area 204 and the content information display area 205 are used to represent the presence of each content.

  The content image display area 204 is an area for displaying an image showing the feature of the content such as a thumbnail or a jacket photo of the content.

  The content information display area 205 is an area for displaying the title of the content and other accompanying character information.

<Operation of digital data playback device>
Next, the operation of the digital data reproducing apparatus according to the first embodiment of the present invention will be described with reference to FIGS. In the present embodiment, different encoded files are searched using the same file names stored in the internal storage device 104, the external storage device 105, and the external storage device 106 as keys. FIG. 3 is a diagram showing an operation of re-encoding of the digital data reproducing apparatus according to the first embodiment of the present invention, and FIG. 4 is a diagram showing an operation of searching another encoded file of the digital data reproducing apparatus according to the first embodiment of the present invention. FIG. 5 and FIG. 5 are diagrams showing a display example when another encoded file exists in the digital data reproducing apparatus according to Embodiment 1 of the present invention.

  First, as an operation at the time of re-encoding by the re-encoding unit 110, as shown in FIG. 3, the user uses the input unit 103 to instruct re-encoding of content (S301), and the re-encoding unit 110 stores the internal memory. The file is acquired from the device 104 and re-encoded to an appropriate encoding method (S302).

  When the re-encoding is completed, the re-encoding unit 110 makes the converted file name the same as that of the conversion source file, changes only the extension to a form conforming to the encoding method after conversion, and stores it in the external storage device 106. Store (S303).

  For example, as shown in FIG. 3, when the original file name is “200503200140-10.mpg”, the external storage device 106 has a file name in which only the extension is changed, such as “200503200140-10.asf”. Store.

  Next, when the re-encoding unit 110 performs the above-described operation, the operation at the time of searching for another encoded file by the different encoded file searching unit 108 is as follows. The built-in content list display instruction is issued (S401), and the built-in content list display means 107 acquires the content stored in the built-in storage device 104 (S402).

  Then, for each of the contents acquired at the same time in S402, the presence / absence of another encoding method file is inquired to the different encoding file search means 108 (S403).

  Then, the different encoding file search means 108 searches the external storage device 106 by using the part of the file name of the received content excluding the extension as a key (S404), and notifies the different encoding file display means 109 of the presence or absence. (S405).

  When there is a file of another encoding method, the different encoding file display unit 109 draws an icon 501 serving as an index indicating the file of another encoding method on the content image display area 204 as shown in FIG. (S406).

  In the example shown in FIG. 5, the external storage device 106 is a memory card, and the icon 501 is drawn in a shape reminiscent of a memory card. The built-in content list display means 107 repeats the operations from S402 to S406 shown in FIG. 4 described so far for the number of contents stored in the built-in storage device 104, creates a list of built-in contents, and displays the display unit 102. (S407).

<Delete content>
Next, the content deleting operation of the digital data reproducing apparatus according to Embodiment 1 of the present invention will be described with reference to FIGS. 6 to 8 are diagrams showing display examples at the time of content deletion operation of the digital data reproducing apparatus according to Embodiment 1 of the present invention, and FIG. 6 deletes all files including files of different encoding methods. FIG. 7 shows a display example when deleting only another encoding method file, and FIG. 8 shows a display example after one different encoding method file is deleted.

  First, as shown in FIG. 6, when the user right-clicks the mouse cursor on the content image display area 204 or the content information display area 205, it is possible to select content deletion from the menu. . Here, when deletion is selected, not only the content in the internal storage device 104 but also another encoding method file existing in the external storage device 105 and the external storage device 106 is deleted by the processing of the content control unit 111 and the like. means.

  Next, as shown in FIG. 7, when the mouse cursor is right-clicked on the icon 501 and deletion is selected, only the file of another encoding method indicated by the selected icon can be deleted. In the example shown in FIG. 7, only files of different encoding methods on the external storage device 106 are deleted.

  When the deletion is completed by the operation shown in FIG. 7, as shown in FIG. 8, the content list is displayed in a form in which only the icon 901 having a shape reminiscent of a mobile phone in the external storage device 105 exists.

  In the deletion process, when the external storage device 105 or the external storage device 106 is not connected, information such as a deletion schedule is stored in the internal storage device 104 for a file of another encoding method. When the external storage device 105 or the external storage device 106 is connected, a file of another encoding method scheduled to be deleted may be deleted.

<Automatic content deletion>
Next, the automatic content deletion operation of the digital data reproducing apparatus according to Embodiment 1 of the present invention will be described with reference to FIGS. FIG. 9 and FIG. 10 are diagrams showing display examples at the time of automatic content deletion operation of the digital data reproducing apparatus according to Embodiment 1 of the present invention. FIG. 9 shows automatic display of all files including files of different encoding methods. FIG. 10 shows a display example when there is a setting for automatic deletion, and FIG. 10 shows a display example when there is a setting for automatic deletion for some files of different encoding methods.

  When a content expiration date is set at the time of content recording or the like, and there is content that is automatically deleted after the expiration date, as shown in FIG. 9, an icon 1701 indicating that the expiration date has been set. Is displayed.

  In the example shown in FIG. 9, the icon 1701 indicates that the content is automatically deleted, and the number of days until the next number of the icon 1701 is deleted. In the example shown in FIG. 9, the content is automatically deleted after 5 days.

  As shown in FIG. 9, when the icon 1701 exists at the top of the icon group, when the expiration date comes, not only the file in the internal storage device 104 but also the external storage device 105 and the external storage device 106. This means that other encoding method files existing in the file will also be deleted.

  Also, as shown in FIG. 10, when the icon 1701 is present behind another icon, only another encoding method file existing at the position indicated by the icon 501 before that is automatically deleted. Is shown. In the example shown in FIG. 10, another encoding method file existing in the external storage device 106 is automatically deleted after two days.

  Then, the content that is automatically deleted due to the expiration date is deleted by the processing of the content control unit 111 and the like.

  During the automatic deletion process, when the external storage device 105 or the external storage device 106 is not connected, information such as a deletion schedule is stored in the internal storage device 104 for a file of another encoding method. When the external storage device 105 or the external storage device 106 is connected, a file of another encoding method scheduled to be deleted may be deleted.

<Other display examples of external storage device icons>
Next, another display example of the icon of the external storage device of the digital data reproducing device according to the first embodiment of the present invention will be described with reference to FIGS. 11 to 13 are explanatory diagrams for explaining other display examples of icons of the external storage device of the digital data reproducing device according to the first embodiment of the present invention. FIG. 11 shows another encoding method file. FIG. 12 shows a display example when a half-luminance display icon is clicked, and FIG. 13 shows a display example after transferring another encoding method file to the external storage device. .

  In the examples described so far, the presence / absence of another encoding method file is indicated by the presence / absence of an icon. However, as shown in FIG. It is also possible to indicate that it does not exist.

  In this case, by clicking an icon 901 that is displayed in dark or half-brightness, it is possible to provide a function for re-encoding and transferring a file to the external storage device 105 indicated by the icon.

  First, when the user clicks on the icon 901 displayed in dark or half-brightness, a confirmation message for re-encoding processing as shown in FIG. 12 is displayed. When the user gives an OK instruction, re-encoding processing is performed. Will work. Then, after the re-encoding and transfer to the external storage device 105 are completed, the darkness or half-luminance display of the icon 901 is canceled, and the location of the content is displayed as shown in FIG.

  As described above, in the present embodiment, when a list of contents stored in the internal storage device 104 is displayed, files of different bit rates and different compression methods in each internal content are stored in the internal storage device 104 and By searching from the external storage devices 105 and 106 and controlling the search results to be displayed together with the built-in content list display, the user can be used even in an environment where a plurality of types of files exist for the same content. On the other hand, it is possible to provide operability capable of operating contents without complicated work.

(Embodiment 2)
In the second embodiment, the method for searching for a file of a different encoding method using the same file name as a key has been described in the first embodiment. However, depending on the player or the like that reproduces the re-encoded file, only a specific file name may be used. In this case, the same file name cannot be used, so the file name of the conversion destination is recorded at the time of conversion.

  The configuration of the digital data reproducing apparatus of the second embodiment is the same as that of the first embodiment, and the operations and display examples other than the separate encoded file search means 108 and the re-encoding means 110 are the same as those of the first embodiment.

<Operation of digital data playback device>
Next, the operation of the digital data reproducing apparatus according to the second embodiment of the present invention will be described with reference to FIGS. FIG. 14 shows the re-encoding operation of the digital data reproducing apparatus according to the second embodiment of the present invention, and FIG. 15 shows an example of storing the conversion destination file name of the digital data reproducing apparatus according to the second embodiment of the present invention. FIG. 16 is a diagram showing an operation of searching another encoded file of the digital data reproducing apparatus according to the second embodiment of the present invention.

  First, as an operation at the time of re-encoding by the re-encoding unit 110, as shown in FIG. 14, the user uses the input unit 103 to instruct re-encoding of content (S601), and the re-encoding unit 110 stores the internal memory. The file is acquired from the device 104 and re-encoded to an appropriate encoding method (S602).

  When the re-encoding is completed, the re-encoding unit 110 stores the converted file name in a format (for example, “PHONE001.3g2”, “CARD001.asf”, etc.) suitable for the player who reproduces the file name (S603, S604). ).

  At the same time, the re-encoding unit 110 stores the converted file name information in the internal storage device 104 as the file having the same name as the conversion source file and only the extension is changed (S605).

  For example, as shown in FIG. 14, when the original file name is “200503200140-10.mpg”, the file name is stored with a file name in which only the extension is changed, such as “200503200140-10.cif”.

  As an example of storing the conversion destination file name, as shown in FIG. 15, a conversion destination file name 702 is described after a tag 701 indicating the start of the storage area of the conversion destination file name.

  Next, when the re-encoding unit 110 takes the above-described operation, the operation when the different encoded file searching unit 108 searches for another encoded file is as shown in FIG. Then, an internal content list display instruction is issued (S801), and the internal content list display means 107 acquires the content stored in the internal storage device 104 (S802).

  Then, for each of the contents acquired at the same time in S802, an inquiry is made to the different encoding file search means 108 for the presence or absence of another encoding method file (S803).

  Then, the different encoding file search means 108 acquires the conversion destination file information of the file name of the received content from the internal storage device 104 (S804), and the file having the conversion destination file name 702 in the information is stored in the external storage device. A search is made from 106 (S805, S806), and the presence / absence of the encoded file is notified to another encoded file display means 109 (S807).

  When the file exists, the separate encoded file display unit 109 draws the icon 501 and the icon 901 on the content image display area 204, for example, as shown in FIG. 13 described in the first embodiment (S808). ).

  In the example shown in FIG. 13, the external storage device 106 is a memory card, and the icon 501 is drawn in a shape reminiscent of the memory card. The external storage device 105 is a mobile phone, and the icon 901 is drawn in a shape reminiscent of a mobile phone. The built-in content list display means 107 repeats the operations from S802 to S808 shown in FIG. 16 described so far for the number of contents stored in the built-in storage device 104, creates a list of built-in contents, and displays the display unit 102. (S809).

(Embodiment 3)
In the third embodiment, similarly to the second embodiment, the file name of the conversion destination is recorded at the time of conversion, and the file in which the converted file name is recorded is stored on the external storage device side. It is what you do.

  The configuration of the digital data reproducing apparatus of the third embodiment is the same as that of the first and second embodiments, and the operations and display examples other than the different encoding file search means 108 and the re-encoding means 110 are the same as in the first and second embodiments. The same as in the second embodiment.

<Operation of digital data playback device>
Next, the operation of the digital data reproducing apparatus according to the third embodiment of the present invention will be described with reference to FIGS. FIG. 17 shows the re-encoding operation of the digital data reproducing apparatus according to the third embodiment of the present invention, and FIG. 18 shows an example of storing the conversion destination file name of the digital data reproducing apparatus according to the third embodiment of the present invention. FIG. 19 is a diagram showing an operation of searching another encoded file of the digital data reproducing apparatus according to the third embodiment of the present invention. FIG. 20 is another encoded file of the digital data reproducing apparatus according to the third embodiment of the present invention. It is a figure which shows the example of a display at the time of presence.

  First, as an operation at the time of re-encoding by the re-encoding unit 110, as shown in FIG. 17, the user uses the input unit 103 to instruct re-encoding of content (S1001), and the re-encoding unit 110 stores the internal memory. The file is acquired from the device 104 and re-encoded to an appropriate encoding method (S1002).

  When the re-encoding is completed, the re-encoding unit 110 stores the converted file name in a format (for example, “CARD001.asf”, etc.) suitable for the player to reproduce (S1003).

  At the same time, the re-encoding unit 110 stores the information of the conversion source file name in the external storage device 106 as the file having the same name as the converted file and only the extension is changed (S1004).

  For example, as shown in FIG. 17, when the file name after conversion is “CARD001.asf”, it is stored with a file name in which only the extension is changed, such as “CARD001.cif”.

  As an example of storing the conversion destination file name, as shown in FIG. 18, the conversion source file name 1102 is described after the tag 1101 indicating the start of the conversion source file name storage area. Further, in the present embodiment, resume position information 1104 is described after the tag 1103 indicating the start of resume position information, so that it is possible to determine whether or not viewing has been performed.

  Next, when the re-encoding unit 110 performs the above-described operation, the operation when the different encoded file searching unit 108 searches for another encoded file is shown in FIG. Then, an internal content list display instruction is issued (S1201), and the internal content list display means 107 acquires the content stored in the internal storage device 104 (S1202).

  Then, another encoded file search unit 108 is inquired about the presence or absence of another encoding method file for each of the contents acquired simultaneously in S1202 (S1203).

  Then, the different encoding file search means 108 searches the external storage device 106 for a file having a certain extension as a conversion source file name information storage file, and finds the tag 1101 and the conversion source file name 1102 in the found file. , And searches for a file that stores the file name of the received content (S1204). In this example, the file with the extension “.cif” is targeted.

  Then, when the content name for which the instruction is received is found from the conversion source file information, the moving image file having the same name as the file is recognized as another encoded file of the content (S1205), and the result is displayed as another encoded file display means. 109 is notified (S1206).

  When the file exists, the separate encoded file display unit 109 draws the icon 501 so as to overlap the content image display area 204 as shown in FIG. 20 (S1207).

  Here, the separate encoding file display unit 109 simultaneously obtains the viewing status of the file from the separate encoding file search unit 108 by referring to the contents of the tag 1103 and the resume position information 1104, and sends it to the built-in content list display unit 107. Notice.

  Then, the built-in content list display means 107 confirms the viewing status of the original content in the built-in storage device 104, and if it is determined that both are untested, the untested listening icon 1301 is superimposed on the content image display area 204. draw.

  The built-in content list display unit 107 repeats the operations from S1202 to S1207 shown in FIG. 19 described above for the number of contents stored in the built-in storage device 104, creates a list of built-in contents, and displays the display unit 102. Is displayed (S1208).

  As mentioned above, the invention made by the present inventor has been specifically described based on the embodiment. However, the present invention is not limited to the embodiment, and various modifications can be made without departing from the scope of the invention. Needless to say.

  The present invention relates to a digital data reproducing apparatus such as a player, a recorder, a PC (Personal Computer Assistant), a PDA (Personal Digital Assistant) that reproduces digital data such as an audio file or a moving image file stored therein. In particular, the present invention can be applied to an apparatus that connects an external memory or another player as an external storage device and transfers a file in a file format suitable for the external storage device.

It is a block diagram which shows the structure of the digital data reproducing | regenerating apparatus concerning Embodiment 1 of this invention. It is explanatory drawing for demonstrating the example of a display of the built-in content list display means of the digital data reproduction apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows the operation | movement of the re-encoding of the digital data reproducing apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows the operation | movement of another encoding file search of the digital data reproduction apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows the example of a display when another encoding file exists of the digital data reproducing | regenerating apparatus concerning Embodiment 1 of this invention. It is an example of a display at the time of deleting all the files including the file of another encoding system of the content of the digital data reproducing | regenerating apparatus concerning Embodiment 1 of this invention. It is an example of a display at the time of deleting only the file of the another encoding system of the content of the digital data reproducing | regenerating apparatus concerning Embodiment 1 of this invention. It is an example of a display after the file of one another encoding system of the content of the digital data reproducing | regenerating apparatus which concerns on Embodiment 1 of this invention is deleted. It is an example of a display when the setting of automatic deletion of all the files including the file of another encoding system of the content of the digital data reproducing apparatus according to the first embodiment of the present invention is set. It is an example of a display when the setting of an automatic deletion exists in the file of another encoding system of a part of content of the digital data reproducing | regenerating apparatus concerning Embodiment 1 of this invention. It is a display example of darkness or half-brightness display when another encoding method file of the icon of the external storage device of the digital data reproducing device according to the first embodiment of the present invention does not exist. It is a display example at the time of clicking the icon of the half-intensity display of the icon of the external storage device of the digital data reproducing device according to the first embodiment of the present invention. It is an example of a display after another encoding system file transfer to the external storage device of the icon of the external storage device of the digital data reproducing device according to the first embodiment of the present invention. It is a figure which shows the operation | movement of the re-encoding of the digital data reproducing apparatus which concerns on Embodiment 2 of this invention. It is a figure which shows the example of a storing of the conversion destination file name of the digital data reproduction apparatus which concerns on Embodiment 2 of this invention. It is a figure which shows the operation | movement of another encoding file search of the digital data reproduction apparatus which concerns on Embodiment 2 of this invention. It is a figure which shows the operation | movement of the re-encoding of the digital data reproducing apparatus which concerns on Embodiment 3 of this invention. It is a figure which shows the example of a storing of the conversion destination file name of the digital data reproduction apparatus which concerns on Embodiment 3 of this invention. It is a figure which shows the operation | movement of another encoding file search of the digital data reproduction apparatus which concerns on Embodiment 3 of this invention. It is a figure which shows the example of a display at the time of another encoding file presence of the digital data reproduction apparatus concerning Embodiment 3 of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 101 ... System processor, 102 ... Display part, 103 ... Input part, 104 ... Internal storage device, 105 ... External storage device, 106 ... External storage device, 107 ... Internal content list display means, 108 ... Separate encoding file search means, 109 ... Other encoded file display means, 110 ... Re-encoding means, 111 ... Content control means, 201 ... Category selection area, 202 ... Content type selection area, 203 ... Content display area, 204 ... Content image display area, 205 ... Content information display Area, 501 ... Icon, 701 ... Tag, 702 ... Conversion destination file name, 901 ... Icon, 1101 ... Tag, 1102 ... Conversion source file name, 1103 ... Tag, 1104 ... Resume position information, 1301 ... Unaudited icon, 1701 ... icon.

Claims (5)

A built-in storage device for storing content files;
Re-encoding means for re-encoding the internal content file stored in the internal storage device and transferring it to a removable external storage device as a separate encoding content file;
Built-in content list display means for displaying a list of built-in content stored in the built-in storage device;
Another encoding file search means for searching the internal storage device and the external storage device for another encoding method content file corresponding to the internal content file stored in the internal storage device;
Another encoding for displaying the search result in the separate encoding file search unit as an index indicating the presence or absence of the file of the separate encoding method content in correspondence with the display of the corresponding internal content in the list display by the internal content list display unit A digital data reproducing apparatus comprising file display means. The digital data reproducing apparatus according to claim 1, wherein
The different encoding file search means searches for a file of another encoding system content corresponding to the file of the internal content, at the time of re-encoding by the file name of the internal content file and the file of the other encoding system content, or by the re-encoding means. A digital data reproducing apparatus, which is performed based on file information to be created. The digital data reproducing apparatus according to claim 1 or 2,
When there is an instruction to delete the internal content in response to the internal content list display by the internal content list display means, the internal content file instructed to be deleted and another encoding corresponding to the internal content instructed to be deleted A digital data reproducing apparatus comprising content control means for deleting a format content file. The digital data reproducing apparatus according to claim 3, wherein
The built-in content stored in the built-in storage device has time limit information to be deleted after a predetermined time,
The content control means deletes a file of another encoding method content corresponding to the internal content to be deleted together with the internal content file to be deleted based on the time limit information. apparatus. The digital data reproducing apparatus according to claim 1 or 2,
The separate encoded file display means detects the viewing status of the built-in content and the separate encoded content, and displays an index indicating the viewing status together with an index indicating the presence or absence of the file of the separate encoded content. Digital data playback device.

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