JP2008108025A - Chinese character japanese syllabary converter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To minimize a scale of a database to be used when converting a Chinese character into the Japanese syllabary. <P>SOLUTION: The converter is provided with: a conversion table 19 for storing reading based on the kind of characters before and after Chinese characters with respect to each of Chinese characters; and a conversion execution means 18 for converting the Chinese characters into the Japanese syllabary by referring to the conversion table 19 on the basis of the kind of Chinese characters before and after the Chinese characters with respect to the Chinese characters. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a kanji-kana conversion device that converts kanji into kana, and more particularly to a kanji-kana conversion device that converts kanji into kana based on the types of characters before and after the kanji.

  In the case of playing music recorded with the MP3 system using a DVD playback device, a list of titles of songs recorded on a CD can be displayed on a television receiver. Since each song is handled as a file, a file name (song name) can be assigned using kana, kanji, alphabet, numbers, symbols, etc. (see, for example, FIG. 5A). . On the other hand, when displaying a file name in a DVD playback device, an on-screen display circuit (hereinafter referred to as an OSD circuit) is used, and when displaying Chinese characters, Chinese character font data is required.

  On the other hand, the font data of kanji is a very large amount of data. For this reason, providing the control means for controlling the operation of the DVD reproducing apparatus with kanji font data causes a significant increase in the memory size of the control means. Therefore, the control means often has only font data that can display alphabets, numbers, kana, and symbols. As a result, for songs whose titles contain kanji, the kanji part must be displayed as “*” (if the file name is “June rain.mp3”, “6 **. Mp3 ] (See FIG. 5B)). In other words, the file name is displayed as being difficult to understand.

  In order to solve such a problem, when a Chinese character is included in the title name, if the Chinese character is converted into a kana, it can be displayed without using “*”. In other words, the above file name is “6 is one candy. mp3 ”can be displayed (see, for example, FIG. 6A), so that the user can immediately know the song name without making a mistake. The prior art for converting kanji into kana is shown below.

  The first prior art is a technique for converting all kanji into kana and displaying them. That is, in this technique, a kanji reading of a kanji mixed sentence is acquired by referring to a kanji kana conversion dictionary, and kanji is converted into kana by the acquired reading. The kana-kana conversion dictionary includes information indicating readings of kanji composed of combinations of only kanji, and information indicating readings (new) at that time for character strings (eg, new) composed of kanji and kana. In addition, the accuracy of the conversion is improved by providing them together (for example, see Patent Document 1).

Further, the following technique has been proposed (referred to as a second conventional technique). That is, in this technique, a kanji mixed sentence is first converted into a hiragana sentence. And then read according to the learning level +. Therefore, the displayed sentence is composed of hiragana characters, which are rather difficult to read, and easy-to-read sentences containing kanji that can be read by the reader (for example, patent documents). 2).

Further, the following technique has been proposed (referred to as a third conventional technique). That is, in this technique, a dictionary used for converting kana to kanji (conversion dictionary) and a dictionary used for converting kanji to kana (inverse conversion dictionary) are used for conversion. (See, for example, Patent Document 3).
JP 2004-38869 A (paragraphs 0066-0069) JP 2003-157252 A Japanese Patent Laid-Open No. 9-153038

  However, when the first prior art is used, the following problems have occurred. That is, the kanji-kana conversion dictionary is a database that has all combinations of kanji as items and stores the readings of the items in association with the items. For this reason, the kanji-kana conversion dictionary has a large data capacity. As a result, when the kanji-kana conversion dictionary is incorporated in the control means of the DVD playback device, the memory scale increases, which causes a problem of increasing the element cost.

  In the second prior art, only the conversion of kanji to kana using the reverse lookup dictionary is disclosed, so a database to be referred to when kanji is converted to kana is also used for the control means. From the viewpoint of downsizing to an extent that can be easily stored, it is a technique that is difficult to apply.

  The third prior art uses a common dictionary (conversion dictionary) used when converting kana to kanji and a dictionary used when converting kanji into kana (reverse conversion dictionary), thereby converting the kana. However, since the size of the conversion dictionary itself is large, a database that is referred to when converting kanji into kana can be easily stored in the control means. This technique is difficult to apply from the viewpoint of downsizing to a memorable level.

  The present invention was devised to solve the above-mentioned problems, and the purpose of the present invention is to make the scale of a database used when converting kanji into kana extremely small, To provide a kana-kana conversion device capable of preventing deterioration of conversion accuracy and correcting erroneous conversion even when the scale of a database used for conversion to kana is extremely large. It is in.

  The present invention was devised to solve the above problems, and its purpose is to convert kanji into kana by converting kanji into kana based on the type of characters before and after the kanji. An object of the present invention is to provide a kanji conversion device that can make the scale of a database used in the present invention extremely small.

  In addition to the above purpose, by storing three types of readings for each kanji, it is possible to prevent deterioration in conversion accuracy even when the scale of the database used for converting kanji into kana is extremely small. The object is to provide a kanji-kana conversion device capable of performing the above.

  In order to solve the above problems, a kanji conversion device according to the present invention is applied to a kanji conversion device that converts kanji into kana, and for each kanji, readings based on the types of characters before and after the kanji are stored. Conversion table and kanji, conversion execution means for converting kanji into kana by referring to the conversion table based on the type of characters before and after the kanji, and user-defined readings of kanji defined by the user User-defined input means for inputting readings and user-defined storage means for storing user-defined readings input by the user-defined input means, and the conversion executing means stores kanji readings in the user-defined storage means. The kanji is converted to kana according to the user-defined reading, and when the kanji reading is not stored in the user-defined storage means, the conversion table Performed according transform, the conversion table for each of the Chinese characters, is adapted to store the readings of the three.

  That is, the number of types of characters before the kanji and the types of characters after the kanji are extremely small when compared with the number of combinations of kanji. In addition, many kanji readings are within the range of three readings. Moreover, when it becomes a combination of the Chinese character which is not converted correctly, the correction can be performed.

  Further, the kanji kana conversion device according to the present invention is applied to a kanji kana conversion device that converts kanji into kana, and for each kanji, a conversion table that stores readings based on the types of characters before and after the kanji, and For kanji, conversion means for converting kanji into kana by referring to the conversion table based on the type of characters before and after the kanji is provided. That is, the number of types of characters before the kanji and the types of characters after the kanji are extremely small when compared with the number of combinations of kanji.

  In addition to the above configuration, the conversion table stores three types of readings for each Chinese character.

  According to the present invention, for each Chinese character, there is provided a conversion table in which readings based on the types of characters before and after the Chinese character are stored. Therefore, the number of types of characters before the kanji and the types of characters after the kanji are extremely small when compared with the number of combinations of kanji. In addition, the number of types of characters before the kanji and the types of characters after the kanji are as small as three. Moreover, when it becomes a combination of the Chinese character which is not converted correctly, the correction can be performed. For this reason, the scale of the database used when converting kanji into kana can be made extremely small, and even when the scale of the database used when converting kanji into kana is extremely small, Deterioration of accuracy can be prevented and erroneous conversion can be corrected.

  In addition, according to the present invention, there is provided a conversion table in which readings based on the type of characters before the kanji or the type of characters after the kanji are stored. Therefore, the number of types of characters before the kanji and the types of characters after the kanji are extremely small when compared with the number of combinations of kanji. For this reason, the scale of the database used when converting kanji into kana can be made extremely small.

  Furthermore, only three types of readings are stored for each kanji. That is, many of the readings of kanji are within the range of three types of readings. Therefore, it is possible to prevent deterioration in conversion accuracy even when the scale of a database used for converting kanji into kana is extremely large.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram showing an electrical configuration of a DVD playback apparatus to which an embodiment of a kanji conversion device according to the present invention is applied.

  In the figure, the disk drive 2 reproduces video / audio information recorded on the DVD 1 and reproduces audio information recorded on the CD 1 or video information recorded on the CD 1.

  The signal processing unit 3 demodulates the digital video signal and the digital audio signal from the output of the disk drive 2 by performing a decoding process when reproducing the DVD 1. The demodulated digital video signal is output to the D / A converter 4, and the demodulated digital audio signal is output to the D / A converter 5.

  Further, when playing back CD 1 on which audio information is recorded, the digital audio signal is demodulated from the output of disk drive 2. Then, the demodulated digital audio signal is output to the D / A converter 5. Further, when playing back CD 1 on which video information is recorded, the digital video signal is demodulated from the output of disk drive 2. Then, the demodulated digital video signal is output to the D / A converter 4. In addition, information (such as data indicating a list of titles) obtained from the DVD 1 or CD 1 is output to the control means 9.

  The D / A conversion unit 4 converts the digital video signal output from the signal processing unit 3 into an analog video signal and outputs the analog video signal to the television receiver 6. Further, the D / A converter 5 converts the digital audio signal output from the signal processor 3 into an analog audio signal and outputs the analog audio signal to the television receiver 6.

  The input circuit unit 7 includes a plurality of key switches provided on a front panel (not shown), a light receiving unit for receiving an infrared signal transmitted from the remote controller 8, and the like. A signal corresponding to the infrared signal is output to the control means 9. An instruction from the user is input to the remote controller 8.

  The control means 9 controls main operations as a DVD playback device. That is, by controlling the disk drive 2 and the signal processing unit 3 based on an instruction input to the remote controller 8 and the input circuit unit 7, an operation corresponding to the user's instruction is executed. Further, when the disc inserted in the disc drive 2 is CD1, a list of titles for indicating the contents of audio information or video information recorded on CD1 is shown with a pseudonym and alphanumeric symbols. 6 is displayed. Therefore, a display control unit 12, a font database 13, a conversion execution unit 18, a conversion table 19, a user definition storage unit 15, and a user definition input unit 16 are provided.

  When an instruction to display characters, symbols, or the like on the television receiver 6 is given, the display control means 12 controls the on-screen display 11 to display the instructed characters. The font data 13 stores font data that is referred to when the display control means 12 displays characters and the like. Note that the font data types do not include Kanji fonts due to the limitation of the size of the memory area.

  As shown in FIG. 2, the conversion table 19 is a database having three types of readings (A to C) and pointers for each Chinese character. It should be noted that the number of characters of the kana indicating the reading for each of the target kanji characters is 3 or less on average. A kana indicating reading is indicated by 1 byte. Also, 2 bytes are assigned to the pointer (the reason will be described later). Accordingly, on average, the size of data required for one target kanji character is 13 bytes, which is 2 bytes for kanji, 9 bytes for reading, and 2 bytes for pointer. For this reason, even when the number of characters of the target kanji to be stored is estimated to be 2000, the size of the data area required for the conversion table 19 can be 26 kilobytes. That is, the conversion table 19 can be configured with a very small memory area.

  As shown in FIG. 3 (A), the conversion execution means 18 examines which combination of character types before and after the target kanji corresponds to which of the 16 combinations, and based on the result, Readings are acquired by referring to the conversion table 19. Here, explaining the types of characters, “None” includes characters that do not fall under “Kana”, “Kanji”, and “Numbers”, such as letters and symbols. . The “number” includes a half-width number (0x30 to 0x39) and a full-width number (0x824F to 0x8258). “Kana” includes “Hiragana” (0x829F to 0x82F2...) And half-width and full-width “Katakana”.

  The user definition storage unit 15 is a table that is referred to when accurate reading cannot be obtained by conversion by the conversion execution unit 18. Therefore, as shown in FIG. 4B, a character string including the target kanji (for example, 151, 152), a reading of the character string (for example, 153), and the same target kanji (151) And a pointer (154) indicating whether or not there is a user definition (when the pointer value is valid (for example, other than 0), it indicates that there is a further user definition, and when the pointer value is 0) , Indicating that there is no further user definition).

  That is, for example, when describing the target kanji character “rain”, it is shown that “rainy season” is defined as user-defined and “shun-me” is defined. , Only “moonlit night” is defined.

  The user definition input means 16 is a means for inputting a user definition and storing it in the user definition storage means 15. However, as already explained, the kanji cannot be displayed, so the kanji is designated using kana. However, when a kanji is specified using a kana, a plurality of kanji may be applicable. That is, for example, when “Kou” is input because “School” is designated, “School”, “Engineer”, and the like are applicable, and it is difficult to designate a target kanji. For this reason, in the present embodiment, the following method is used.

  When inputting a Chinese character to be defined by a user, first, a title list is displayed. And after designating the title containing the Chinese character (character string) which a user wants to define, it transfers to the user-defined mode. FIG. 4A shows a screen displayed at this time. In this state, the cursor is moved to a kanji reading (for example, “ge”) to be defined by the user. When the cursor is moved to “G”, the kanji is displayed in the first area 1511, assuming that the kanji is “Mon”.

  Next, when the cursor is moved to “Y”, the kanji is “Night”, and “Yoru”, which is a cautionary reading, is displayed in the second area 1512. In addition, the third area 1513 displays the context of “Month” and “Night”. Then, after referring to a list of kana not shown and inputting “Tsukiyo” as a reading, when a decision button (not shown) is operated, the user definition for reading “Tsukiyo” as “Tsukiyo” is the user definition storage means 15. Is remembered.

  FIG. 7 is a flowchart showing the main operation of this embodiment. The operation of the embodiment will be described with reference to FIG.

  It is assumed that the CD 1 inserted into the disk drive 2 is the same disk as the contents shown in the prior art (step S1). That is, it is assumed that the title of the recorded song has the contents shown in FIG. Data indicating the title is sent to the control means 9 via the disk drive 2 (step S2). Therefore, the conversion execution means 18 acquires the first character of the first title from the data sent to the control means 9 (step S3), and checks whether it is a kanji (step S4).

  If it is a Chinese character, the user-defined storage means 15 is referred to check whether the Chinese character (target Chinese character) to be converted into a kana has already been user-defined (step S5). When the user is not defined, the type of characters before and after the target Chinese character is checked. Then, based on the type of characters before and after the character, the conversion table 19 is referred to obtain the reading of the target kanji (step S6).

  That is, for the first character “Month”, the user definition is “Monthly night” and does not match “Monthly” in the title, so it is determined that there is no user definition. Then, since the type of the previous character is “None” and the type of the subsequent character is “Kanji”, the reading corresponds to “B”, and the reading corresponds to “B” of “Month”. Get “Getsu”. Then, after checking whether it is the end of the character in the same title (step S8), the operation shifts to step S9 to acquire the next character. Thereafter, “ka” is acquired as the reading of the target kanji “lower” by the same operation. Thereafter, since the same operation is repeated, “Gekkan Kishi” is acquired as the title reading.

  Next, “. ], Since the target kanji is not a kanji, the operation proceeds from step S4 to step S11, and the target kanji itself “. Read "". To get as. Thereafter, the same operation is repeated. As a result, as the first title reading, mp3 ”is acquired.

  When the conversion of kanji in the first title is completed, the operation proceeds from step S8 to steps S13 and S15, and kanji kana conversion for the next title is performed. Thereafter, the same operation is repeated. When the first character “Month” is acquired as the third title, the combination with “Night” which is the Chinese character following “Month” is user-defined. For this reason, the operation proceeds from step S6 to step S12, and the user-defined reading “Tsukeyo” is acquired.

  Thereafter, the same operation is repeated. Therefore, as for the third title, “Tsukino Niwa. mp3 ”is acquired. Further, the same operation is repeated for the following titles. When the conversion of all titles is completed, the operation proceeds from step S13 to step S14, and a list of titles (screen shown in FIG. 6A) in which kanji characters are correctly converted to kana is displayed on the television receiver 6. (FIG. 6B) shows a list of titles displayed when there is no user definition (the contents of conversion of the third title are different)).

  Note that the present invention is not limited to the above-described embodiment, and can be similarly applied to, for example, a portable audio reproduction device as another device that displays a list of titles.

It is a block diagram which shows the electric constitution of the DVD reproducing apparatus to which one Embodiment of the kanji kana conversion apparatus which concerns on this invention is applied. It is explanatory drawing which shows the structure of a conversion table. It is explanatory drawing which shows the rule list referred by the conversion execution means. It is explanatory drawing which shows the structure of a user definition memory | storage means, and the display screen at the time of user definition. It is explanatory drawing which shows the list display of a title. It is explanatory drawing which shows the list display of a title. It is a flowchart which shows the main operation | movement of embodiment.

Explanation of symbols

15 User definition storage means 16 User definition input means 18 Conversion execution means 19 Conversion table

Claims (3)

In the Kanji conversion device for converting kanji into kana,
For each kanji, a conversion table that stores readings based on the type of characters before and after the kanji,
Conversion execution means for converting kanji into kana by referring to a conversion table based on the type of characters before and after the kanji,
User-defined input means for inputting user-defined readings, which are kanji readings defined by the user,
User-defined storage means for storing user-defined readings input by the user-defined input means,
The conversion executing means converts the kanji into kana according to the user-defined reading when the kanji reading is stored in the user-defined storage means, and performs conversion according to the conversion table when the kanji reading is not stored in the user-defined storage means. ,
The conversion table stores three types of readings for each of the Chinese characters. In the Kanji conversion device for converting kanji into kana,
For each kanji, a conversion table that stores readings based on the type of characters before and after the kanji,
A kanji-kana conversion device comprising conversion execution means for converting kanji into kana by referring to a conversion table based on the types of characters before and after the kanji.   The kanji kana conversion device according to claim 2, wherein the conversion table stores three types of readings for each kanji.

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