JP2010066436A - Display control apparatus, display control method and display control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To predict information which should originally be obtained from characters when there are characters which cannot be converted in character code. <P>SOLUTION: The display control apparatus includes: an information acquisition part 12A for acquiring character information recorded in a recording medium and the character conversion code information of the character information; a character code conversion determination part 12B for determining whether or not it is a convertible character for each character of the character information from the character conversion code information; and an alternate data preparation part 12E for preparing alternate data including a prescribed numeral when it is determined that the prescribed number of the character information is not the convertible character by the character code conversion determination part 12B. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a display control device, a display control method, and a display control program.

  Patent Document 1 discloses a character processing device that performs processing so as not to cause garbled characters when a character code in which no font is stored is input. In this character processing device, character groups are classified into groups of representative characters and variant characters in advance, and when a character code that is not stored in the device is input, a representative of the same group is substituted for the variant character. The character is displayed on the screen.

JP-A-10-289226 (refer to claim 1, paragraph 0010)

  Even in the character processing device disclosed in Patent Document 1, if a character code that can be displayed is determined by the language used in the sales country of the device or the specification of the display tube of the character processing device, Even if the group is classified in advance into groups of representative characters and variant characters, the characters cannot be displayed. For example, when characters are displayed by a 14-segment display tube X as shown in FIG. 17, it is considered to display the characters “Japanese English” in which Japanese and English are mixed. In this case, when these characters written in UNICODE are converted into ISO8859-1 and displayed in the apparatus, they are displayed in Chinese characters on the display tubes X1 to X10 as shown in FIG. The part “Japanese” is all converted to “?”, And the part “English” displayed in English is displayed as it is. Further, when all characters cannot be displayed, as shown in FIGS. 19 and 20, the characters are replaced with “?” Marks or blanks (blanks) instead of the characters and displayed on the display tube. Sometimes. As described above, in the character processing device disclosed in Patent Document 1 and the conventional audio reproduction device, it is difficult to specify a song unless a part of characters to be displayed is displayed. In addition, if all are displayed as “?” Marks or blanks, the user cannot specify a song when narrowing down a specific song from a large number of songs, and even if the user skips a song. Since the character displayed on the display does not seem to change, it cannot be recognized that the character has been switched.

  Therefore, in view of the above-described problems, the present invention provides a display control device, a display control method, and a display control program that can estimate information originally obtained from characters that cannot be converted into character codes. The purpose is to do.

  One aspect of the present invention is an information acquisition unit that acquires character information recorded on a recording medium and character conversion code information of the character information, and whether or not each character of the character information is a character that can be converted. Character code conversion determination unit for determining from conversion code information, and alternative data creation for generating alternative data including a predetermined number when the character code conversion determination unit determines that the predetermined number of character information is not a convertible character A display control device.

  In one aspect of the present invention, in addition to the configuration of the display control apparatus described above, the alternative data creation unit includes a number indicating the order in which the music is played, a track number, a stored folder number, a playlist number, and an artist list. Preferably, the predetermined number is determined based on any one of the numbers.

  In one aspect of the present invention, in addition to the configuration of the display control device described above, when the character code conversion determination unit determines that the character of the character information is not a convertible character, A character replacement unit that replaces with a mark, and a display data determination unit that determines whether or not a predetermined number of character information has been replaced with a predetermined mark by the character replacement unit. When it is determined that a predetermined number of character information has been replaced with a predetermined mark, it is preferable to create alternative data that replaces the character information.

  One aspect of the present invention relates to an information acquisition step of acquiring character information recorded on a recording medium and character conversion code information of the character information, and whether or not the characters can be converted for each character of the character information. Character code conversion determination step determined from character conversion code information, and alternative data for creating alternative data including a predetermined number when it is determined by the character code conversion determination step that the predetermined number of character information is not a convertible character And a creation step.

  One aspect of the present invention is based on any one of a number indicating the order in which songs are played, a track number, a stored folder number, a playlist number, and an artist list number in the above-described alternative data creation step. Preferably, the predetermined number is determined.

  In one aspect of the present invention, in the display control method described above, when it is determined in the character code conversion determination step that the character of the character information is not a convertible character, the character that is not a convertible character is replaced with a predetermined mark. A character replacement step, and a display data determination step for determining whether or not a predetermined number of character information has been replaced with a predetermined mark in the character replacement step. When it is determined that the predetermined number is replaced with a predetermined mark, it is preferable to create alternative data that substitutes for character information.

  One aspect of the present invention is an information acquisition means for acquiring character information recorded on a recording medium and character conversion code information of the character information, whether the computer is a character that can be converted for each character of the character conversion information. Character code conversion determination means for determining whether or not from character conversion code information, an alternative for creating alternative data including a predetermined number when the character code conversion determination means determines that the predetermined number of character information is not a convertible character This is a display control program that functions as data creation means.

  In one aspect of the present invention, in the display control program described above, the alternative data creation means is any one of a number indicating the order in which the music is played, a track number, a stored folder number, a playlist number, and an artist list number. Preferably, the predetermined number is determined based on one number.

  According to one aspect of the present invention, in the above-described display control program, when the computer determines that the character of the character information is not a convertible character by the character code conversion determination unit, a character that is not a convertible character is designated as a predetermined mark. The character replacement means, and the display data determination means for determining whether or not the predetermined number of character information has been replaced with a predetermined mark by the character replacement means. When it is determined that the predetermined number of character information has been replaced with a predetermined mark, it is preferable to create alternative data that replaces the character information.

  According to the present invention, it is possible to provide a display control device, a display control method, and a display control program that can estimate information originally obtained from characters when there are characters that cannot be converted into character codes.

  First, a display control apparatus 10 according to an embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram showing an overall configuration of a display control apparatus 10 according to an embodiment of the present invention.

  As shown in FIG. 1, the display control device 10 includes a DSP 11, a system microcomputer 12, a display unit 13, an operation unit 14, a storage unit 15, a DAC (D / A converter) 16, and an amplification unit 17. The output unit 18 is a main component.

  The DSP 11 is a microprocessor specializing in processing of voice and images, and based on a control signal from the system microcomputer 12, the DSP 11 receives a voice signal input from the storage unit 15 via a USB controller (not shown) or the like. Decode and output to DAC 16.

  The system microcomputer 12 includes a CPU (not shown) and the like, and controls the entire display control apparatus 10. In the present embodiment, the system microcomputer 12 can convert the character code for each character of the acquired character information, as shown in FIG. 2, the information acquisition unit 12A that acquires character information and character conversion code information from the storage unit 15. A character code conversion determination unit 12B that determines whether or not the character is a character based on character conversion code information, a character replacement unit 12C that replaces a character that cannot be converted into a character code with a predetermined mark, and a predetermined number of acquired character information as a predetermined mark Display data determination unit 12D for determining whether or not the data has been replaced. When the display data determination unit 12D determines that a predetermined number of character information has been replaced with a predetermined mark, it generates substitute data to replace the acquired character information. Functions as the substitute data creation unit 12E. Each function will be described in the operation of the display control apparatus 10.

  The display unit 13 can read out character information recorded in the storage unit 15 and display characters under the control of the system microcomputer 12. The operation unit 14 is an input unit for instructing an operation of the display control device 10 from a user.

  The storage unit 15 stores at least content data, information related to the content data, and the like. Here, the content data is a music file or the like, and information related to the content data is, for example, an album title name or artist name, and is stored in association with the content data belonging to the album. . In addition, as other information related to the content data, a number indicating the order in which the content data is stored, a track number, a stored folder number, a playlist number, an artist list number, a file number, a play number List number, album number, podcast number, genre number, composer number, etc. are included. The substitute data creation unit 12E described later refers to these numbers as predetermined numbers. The storage unit 15 may include an external storage medium such as a memory card, USB memory, MD, DVD, or CD as a configuration.

  The DAC 16 includes a circuit that converts a digital signal into an analog signal. The DAC 16 converts the audio signal input from the DSP 11 into an analog signal based on the control of the system microcomputer 12 and outputs the analog signal to the output unit 18. The amplifying unit 17 amplifies or attenuates the volume level of the audio signal input from the DSP 11 and outputs it to the output unit 18.

  Next, a corresponding example of alternative data for the display control device 10 to perform alternative display will be described. FIG. 3 is a diagram showing a display state during normal reproduction of the display control apparatus 10 shown in FIG. 1 and an alternative display example corresponding to the display state. As shown in FIG. 3, for example, “SongTitle” (song name), “FolderName” (folder name), “FileNAME” (file name), etc. are displayed as the display state during normal playback of the display control device 10. The For example, as an alternative display of “SongTitle”, a predetermined number “xxx” is added to “TITLE” indicating a song title as “TITLExxx”. Various numbers recorded in the storage unit 15 described above can be used as the predetermined number, and by combining these, the user can guess the title of the currently reproduced song. For “FolderName” and “FileNAME”, the user can guess the title of the currently played song by the same method.

  FIG. 4 is a diagram showing a display state at the time of the narrowing function of the display control apparatus 10 shown in FIG. 1 and an alternative display example corresponding to the display state. As shown in FIG. 4, the display state at the time of the narrowing function of the display control device 10 is, for example, “Playlist list” (play list), “Artist list” (artist list), “Album list” (album list), “ A “Song list” (song list), “Podcast list” (podcast list), “Genre list” (genre list), “Composer list” (editor list), and the like are displayed. In each of these display states, the title of the song selected by the user can be guessed in the same manner as the method described in each display state shown in FIG.

  Hereinafter, specific examples of the alternative displays of the display control apparatus 10 will be shown. FIG. 5 is a diagram illustrating an alternative display example of “SongTitle” illustrated in FIG. 3. As shown in FIG. 5, the title is displayed in combination with “Title” indicating that the title of the song is displayed and “012” which is the number of the song. I can guess that. FIG. 6 is a diagram illustrating an alternative display example of “FolderName” illustrated in FIG. 3. As shown in FIG. 6, it can be estimated that the currently played music is the music in the second folder. FIG. 7 is a diagram illustrating an alternative display example of “FileName” illustrated in FIG. 3. As shown in FIG. 7, it can be guessed that the currently reproduced music is the 103rd file.

  FIG. 8 is a diagram showing an alternative display example of the “Playlist list” shown in FIG. As shown in FIG. 8, it is possible to guess that the currently selected song has selected the 10th playlist. FIG. 9 is a diagram illustrating an alternative display example of the “Artist list” illustrated in FIG. 4. As shown in FIG. 9, it is possible to guess that the currently selected song has selected the 205th in the artist list. The artist list number may be determined based on, for example, the order in which the artists recorded in the storage unit 15 are arranged in alphabetical order. FIG. 10 is a diagram illustrating an alternative display example of the “Album list” illustrated in FIG. 4. As shown in FIG. 10, it is possible to guess that the currently selected song has selected the 79th album list. FIG. 11 is a diagram illustrating an alternative display example of the “Song list” illustrated in FIG. 4. As shown in FIG. 11, it can be assumed that the currently selected song has selected the 280th song in the Song list. FIG. 12 is a diagram showing an alternative display example of the “Podcast list” shown in FIG. As shown in FIG. 12, it can be estimated that the currently selected song has selected the fifth podcast. FIG. 13 is a diagram illustrating an alternative display example of the “Genre list” illustrated in FIG. 4. As shown in FIG. 13, it can be guessed that the currently selected song is selecting the 16th in the genre list. FIG. 14 is a diagram illustrating an alternative display example of the “Composer list” illustrated in FIG. 4. As shown in FIG. 14, it is possible to guess that the currently selected song has selected the 61st editor list. FIG. 15 is a diagram illustrating a display example when there are characters that cannot be partially displayed. As shown in FIG. 15, when only some characters cannot be displayed, it is often possible to guess a song from the remaining words, so that the alternative display as shown in FIGS. Not dare to let the user guess the currently selected song.

  As shown in FIG. 2, the display control device 10 includes an information acquisition unit 12A that acquires character information recorded in a recording medium (storage unit 15) and character conversion code information of the character information, and each character of character information. A character code conversion determination unit 12B that determines whether or not the character can be converted from the character conversion code information, and the character code conversion determination unit 12B determines that the predetermined number of character information is not a convertible character. And an alternative data creation unit 12E for creating alternative data including a predetermined number. Such a display control device 10 can make it possible to infer information originally obtained from characters by displaying alternative data including predetermined numbers when there are a predetermined number of characters that cannot be converted into character codes. it can. Further, such a display control device 10 can display alternatives not only in Japanese but also in other languages and character codes that cannot be displayed according to the specifications of the device, so that the music being reproduced or selected can be estimated. can do.

  The alternative data creation unit 12E of the display control apparatus 10 is based on any one of a number indicating the order in which the music is played, a track number, a stored folder number, a playlist number, and an artist list number. Preferably, the predetermined number is determined. Such a display control apparatus 10 is a user who selects a song that is reproduced or selected by combining characters indicating the classification and display state of character information as shown in FIGS. 3 to 4 and a number related to the song, for example. Can be guessed.

  In addition, when the character code conversion determination unit 12B determines that the character code conversion determination unit 12B does not convert the character, the display control device 10 replaces the character that cannot be converted with a predetermined mark, and the character replacement unit 12C performs character information. A display data determination unit 12D for determining whether or not the predetermined number of characters is replaced with a predetermined mark, and the substitute data creation unit 12E replaces the predetermined number of character information with the predetermined mark in the display data determination unit 12D. It is preferable to create substitute data that substitutes character information when it is determined that the character information has been met. Such a display control device 10 can infer the music that is reproduced or selected by the alternative display even if it is character information that cannot be displayed at all or character information that can hardly be displayed due to the display country or display capacity of the display tube. .

  Next, the operation (display control method) of the display control apparatus 10 will be described with reference to FIG.

  START: The system microcomputer 12 that controls the overall operation of the display control apparatus 10 starts the alternative display control process when the power of the display control apparatus 10 is turned on or the alternative display control processing mode is turned on. Note that the processing may be started by changing the state of the display control device 10 (during normal reproduction, operation of the narrowing function, etc.).

  Step S <b> 10: The system microcomputer 12 functioning as the information acquisition unit 12 </ b> A acquires song information from the storage unit 15. Specifically, the character information recorded in the recording medium (storage unit 15) and the character conversion code information of the character information are acquired. When the system microcomputer 12 acquires the song information from the storage unit 15, the system microcomputer 12 proceeds to step S11.

  Step S11: The system microcomputer 12 functioning as the character code conversion determination unit 12B determines whether or not each character of the character information acquired in step S10 is a character that can be displayed on the display control device 10. Specifically, for example, it is determined whether or not character conversion by UNICODE is possible. If the acquired character information is a displayable character (Yes in step S11), the system microcomputer 12 proceeds to step S14. On the other hand, if the acquired character information is not a displayable character (No in step S11), the system microcomputer 12 proceeds to step S12.

  Step S12: The system microcomputer 12 functioning as the character code conversion determination unit 12B determines whether or not predetermined character code conversion is possible. Specifically, for example, it is determined whether or not character code conversion is possible by ISO8859-1. If the predetermined character code conversion is possible (Yes in step S12), the system microcomputer 12 proceeds to step S14. On the other hand, if the predetermined character code conversion is not possible (No in step S12), the system microcomputer 12 proceeds to step S13.

  Step S13: The system microcomputer 12 functioning as the character replacement unit 12C performs a process of replacing a character that cannot be converted into a character code with a predetermined mark. Specifically, a character that cannot be converted is replaced with a “?” Mark. The replacement mark may be a mark other than “?” (×,!, &, Etc.). The system microcomputer 12 performs a process of replacing a character that cannot be converted into a character code with a predetermined mark, and proceeds to step S15.

  Step S14: The system microcomputer 12 performs a character code conversion process using a displayable character code (UNICODE) for the process from step S11, and a predetermined character code (ISO8859-1) for the process from step S12. To do. When the system microcomputer 12 performs the character code conversion process, the process proceeds to step S15.

  Step S15: The system microcomputer 12 determines whether there is a character that has not been subjected to character code conversion determination among the character information acquired in step S10. If there is a character that has not been subjected to character code conversion determination (Yes in step S15), the system microcomputer 12 proceeds to step S11. On the other hand, if there is no character for which character code conversion determination has not been made (No in step S15), the system microcomputer 12 proceeds to step S16.

  Step S16: The system microcomputer 12 functioning as the display data determination unit 12D determines whether or not a predetermined number of character information has been replaced with a predetermined mark. The predetermined number of character information is, for example, a number corresponding to 50%, 80%, or 100% of the total number of characters of the character information, and the ratio may be set in advance at the time of product shipment. You may enable it to set suitably. If the predetermined number of character information has been replaced with a predetermined mark (Yes in step S16), the system microcomputer 12 proceeds to step S17. On the other hand, if the predetermined number of character information has not been replaced with the predetermined mark (No in step S16), the system microcomputer 12 proceeds to step S18.

  Step S17: The system microcomputer 12 functioning as the substitute data creation unit 12E creates substitute data. Specifically, alternative data as shown in FIGS. 5 to 14 is created. When creating the substitute data, the system microcomputer 12 proceeds to step S18.

  Step S18: The system microcomputer 12 displays the character information determined as NO in step S16 or the substitute data generated in step S17 on the display unit 13 as song information. Then, the system microcomputer 12 ends the alternative display control process (END).

  Such a display control method performed by the display control apparatus 10 includes an information acquisition step (step S10) for acquiring character information recorded on the recording medium and character conversion code information of the character information, and for each character of the character information. A character code conversion determination step (step S11) for determining whether or not a character is convertible from the character conversion code information, and when it is determined that the predetermined number of character information is not a convertible character in the character code conversion determination step (No in step S16) includes an alternative data creation step (step S17) for creating alternative data including a predetermined number. By adopting such a display control method, when there are a predetermined number of characters that cannot be converted into character codes, it is possible to infer information originally obtained from those characters by displaying alternative data including a predetermined number. can do. In addition, such a display control method can be used for alternative display not only in Japanese but also in other languages and character codes that cannot be displayed according to the specifications of the device, so that the music being played back or selected can be estimated. be able to.

  Further, in this display control method, based on one of the numbers indicating the order in which the music is played, the track number, the stored folder number, the playlist number, and the artist list number in the alternative data creation step. It is preferable to determine a predetermined number. By adopting such a display control method, it is reproduced or selected by combining characters indicating the classification and display state of character information as shown in FIGS. 3 to 4, for example, and numbers related to the song. It is possible to allow the user to guess the song.

  In this display control method, when it is determined in the character code conversion determination step that the character information is not a convertible character, the character replacement step (step S13) replaces the character information that cannot be converted with a predetermined mark. ) And a display data determination step (step S16) for determining whether or not a predetermined number of character information has been replaced with a predetermined mark in the character replacement step, and in the display data determination step in the alternative data creation step When it is determined that the predetermined number of character information has been replaced with a predetermined mark (Yes in step S16), it is preferable to create alternative data that replaces the character information (step S17). By adopting such a display control method, even if it is character information that cannot be displayed at all due to the sales country of the display control device 10 or the display capability of the display tube, the music that is reproduced or selected by displaying alternative data Can be guessed.

  Next, a program used for the display control apparatus 10 will be described. The program used for the display control apparatus 10 is recorded on a recording medium (storage unit 15), and the program of this embodiment can be installed using this recording medium. Alternatively, the program of the present embodiment can be directly installed on the information processing apparatus from the server holding the program of the present embodiment via the network. As a result, a function corresponding to the control function of the system microcomputer 12 in the display control apparatus 10 according to the embodiment of the present invention can be realized using an information processing apparatus (hereinafter referred to as a computer).

  The program of this embodiment includes not only a program that can be directly executed by the information processing apparatus but also a program that can be executed by being installed on a hard disk or the like. Also included are those that are compressed or encrypted.

  This program used for the display control apparatus 10 is a computer that converts character information recorded on a recording medium and character conversion code information of the character information with characters that can be converted for each character of the character information. Character code conversion determination means for determining whether or not there is character code conversion determination means. When the character code conversion determination means determines that the predetermined number of character information is not a convertible character, alternative data including a predetermined number is created. It is made to function as alternative data creation means. By using such a program, when there are a predetermined number of characters that cannot be converted into character codes, it is possible to infer information originally obtained from those characters by displaying alternative data including a predetermined number. it can. Moreover, such a display control program can be displayed in place of not only Japanese but also other languages and character codes that cannot be displayed according to the specifications of the device, and can estimate the music being played back or selected. be able to.

  Further, in this program, the alternative data creation means is a predetermined number based on any one of a number indicating the order in which the music is played, a track number, a stored folder number, a playlist number, and an artist list number. It is preferred to determine a number. By adopting such a display control program, it is reproduced or selected by combining characters indicating the classification and display state of character information as shown in FIGS. 3 to 4, for example, and numbers related to the song. It is possible to allow the user to guess the song.

  Further, in this program, when the character code conversion determining means determines that the character of the character information is not a convertible character, the computer replaces the non-convertible character with a predetermined mark. The display data determining means functions as a display data determining means for determining whether or not a predetermined number of character information has been replaced with a predetermined mark, and the substitute data creating means determines that all character information has been replaced with a predetermined mark by the display data determining means. When it is done, it is preferable to create alternative data that substitutes for character information. Such a program can infer the music being reproduced or selected by creating alternative data and displaying it even if it is character information that cannot be displayed at all due to the display country or the display capability of the display tube.

  The display control apparatus 10 has been described above as an embodiment of the present invention. However, the present invention is not limited to this, and various modifications and changes can be made without departing from the scope of the invention.

  For example, in the flowchart shown in FIG. 16, when a predetermined number of character information is replaced with a predetermined mark, substitute data is created. However, all of the character information is replaced with a predetermined mark. In this case, alternative data may be created and displayed on the display unit 13. Alternatively, when a predetermined number or more are continuously replaced, the alternative data is created and displayed on the display unit 13. May be. In this way, if there are characters that cannot be converted even by creating alternative data based on the case where all characters cannot be displayed or the number of consecutive characters that cannot be displayed, etc. It is possible to guess information originally obtained from the information.

  In the present embodiment, the number indicating the playback order in which the content data is stored, the track number, the stored folder number, the playlist number, the artist list number, the file number, the playlist number, the album number, Although the alternative data value is determined based on the podcast number, genre number, composer number, etc., the alternative data value can also be determined based on the content file playback time, acquisition date, etc. Good.

  Further, the substitute data creation unit 12E of the display control device 10 described above substitutes the character information when the display data determination unit 12D determines that the predetermined number of characters of the character information is not replaced with the predetermined mark. Alternate data may not be created. Such a display control apparatus 10 can guess the music reproduced | regenerated or selected from the part etc. of the word normally displayed by the user by dare not performing alternative display. Similarly, with respect to the display control method and the display control program, when it is determined that the predetermined number of characters of the character information is not replaced with the predetermined mark, the substitute data for replacing the character information is not created. Also good.

  In the present embodiment, a 14-segment display tube has been described as an example, but a 7-segment or 16-segment display tube may be used.

1 is a block diagram illustrating an overall configuration of a display control apparatus according to an embodiment of the present invention. It is a block diagram which shows each function which the system microcomputer of the display control apparatus shown in FIG. 1 implement | achieves. It is a figure which shows the example of an alternative display corresponding to the display state during normal reproduction | regeneration of the display control apparatus shown in FIG. It is a figure which shows the example of an alternative display corresponding to the display state at the time of the narrowing-down function of the display control apparatus shown in FIG. It is a figure which shows the alternative display example of "SongTitle" shown in FIG. FIG. 4 is a diagram illustrating an alternative display example of “FolderName” illustrated in FIG. 3. It is a figure which shows the alternative display example of "FileName" shown in FIG. FIG. 5 is a diagram illustrating an alternative display example of the “Playlist list” illustrated in FIG. 4. FIG. 5 is a diagram illustrating an alternative display example of the “Artist list” illustrated in FIG. 4. FIG. 5 is a diagram illustrating an alternative display example of the “Album list” illustrated in FIG. 4. It is a figure which shows the alternative example of a display of the "Song list" shown in FIG. FIG. 5 is a diagram illustrating an alternative display example of the “Podcast list” illustrated in FIG. 4. FIG. 5 is a diagram illustrating an alternative display example of the “Genre list” illustrated in FIG. 4. FIG. 5 is a diagram illustrating an alternative display example of the “Composer list” illustrated in FIG. 4. It is a figure which shows the example of a display when there exists a character which cannot be displayed partially. It is a figure which shows the operation | movement flow of the display control apparatus shown in FIG. It is a figure which shows the display tube displayed by 14 segments. It is a figure which shows the example by which the character which cannot be displayed partially was displayed by substitution. It is a figure which shows the example by which all the characters which cannot be displayed were replaced with the "?" Mark. It is a figure which shows the example by which all the characters which cannot be displayed were replaced with the blank.

Explanation of symbols

10 Display control device 11 DSP
12 system microcomputer 12A information acquisition unit 12B character code conversion determination unit 12C character substitution unit 12D display data determination unit 12E alternative data creation unit 13 display unit 14 operation unit 15 storage unit 16 DAC
17 Amplifier 18 Output

Claims (9)

An information acquisition unit that acquires character information recorded on the recording medium and character conversion code information of the character information;
A character code conversion determination unit for determining whether or not each character of the character information is a character that can be converted from the character conversion code information;
An alternative data creation unit that creates alternative data including a predetermined number when the character code conversion determination unit determines that the predetermined number of character information is not a convertible character;
A display control apparatus comprising: The display control device according to claim 1,
The alternative data creation unit determines the predetermined number based on any one of a number indicating the order in which the music is played, a track number, a stored folder number, a playlist number, and an artist list number. A display control device characterized by that. The display control apparatus according to claim 1 or 2,
A character replacement unit that replaces a character that is not a convertible character with a predetermined mark when the character code conversion determination unit determines that the character of the character information is not a convertible character;
A display data determination unit that determines whether or not a predetermined number of the character information has been replaced by the predetermined mark by the character replacement unit,
The substitute data creating unit creates substitute data for substituting the character information when the display data determining unit determines that the predetermined number of the character information is replaced with the predetermined mark. Display control device. An information acquisition step of acquiring character information recorded on the recording medium and character conversion code information of the character information;
A character code conversion determination step for determining from the character conversion code information whether or not each character of the character information is a convertible character;
When the character code conversion determination step determines that the predetermined number of character information is not a convertible character, an alternative data creation step of creating alternative data including a predetermined number;
A display control method characterized by comprising: The display control method according to claim 4,
The alternative data creation step determines the predetermined number based on any one of a number indicating the order in which the music is played, a track number, a stored folder number, a playlist number, and an artist list number. A display control method characterized by the above. The display control method according to claim 4 or 5,
In the character code conversion determination step, when it is determined that the character of the character information is not a convertible character, a character replacement step of replacing a character that is not convertible with a predetermined mark;
A display data determination step for determining whether or not a predetermined number of the character information has been replaced with the predetermined mark in the character replacement step,
In the substitute data creation step, substitute data for substituting the character information is created when it is determined in the display data judgment step that the predetermined number of the character information is replaced with the predetermined mark. Display control method.   Information acquisition means for acquiring character information recorded on a recording medium and character conversion code information of the character information, and whether the character conversion code is a character that can be converted for each character of the character conversion information Character code conversion judging means for judging from information, substitute data creating means for creating substitute data including a predetermined number when the character code conversion judging means judges that the predetermined number of the character information is not a convertible character Display control program to function as In the display control program according to claim 7,
The alternative data creation means determines the predetermined number based on any one of a number indicating the order in which the music is played, a track number, a stored folder number, a playlist number, and an artist list number. A display control program characterized by that. The display control program according to claim 7 or 8,
A character replacement unit that replaces a character that is not a convertible character with a predetermined mark when the character code conversion determination unit determines that the character of the character information is not a convertible character, and the character replacement unit Function as display data determination means for determining whether or not a predetermined number of character information has been replaced with the predetermined mark,
The substitute data creating means creates substitute data for substituting the character information when the display data determining means determines that the predetermined number of the character information is replaced with the predetermined mark by the character information. A display control program characterized by the above.

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