CN100359445C - Chinese character input method using phrase association and voice prompt for mobile information terminal - Google Patents
Chinese character input method using phrase association and voice prompt for mobile information terminal Download PDFInfo
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- CN100359445C CN100359445C CNB2006100380754A CN200610038075A CN100359445C CN 100359445 C CN100359445 C CN 100359445C CN B2006100380754 A CNB2006100380754 A CN B2006100380754A CN 200610038075 A CN200610038075 A CN 200610038075A CN 100359445 C CN100359445 C CN 100359445C
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Abstract
The present invention relates to a method for Chinese character input with phrase association and speech prompt at a mobile information terminal. The method comprises inputting standard Chinese characters by combining standard pinyin input with TTS speech assistance, selecting a standard pinyin input method in inputting information, and completing the standard pinyin input via corresponding letters of keys on a keyboard. After input, the single arrayed characters which are covered by input items are arranged according to the pronunciations of phrase interpretations in a corresponding database, and the arranged pronunciation interpretations are output corresponding to speech. Users can select right Chinese character input via phrase association interpretation and the speech prompt under a pinyin mode. The present invention has the characteristics of completing accurate Chinese character input at the mobile information terminal by the speech prompt method of the phrase association and providing convenience to people with disability of vision.
Description
Technical field
The present invention relates to the Chinese character input method of personal digital assistant device, especially personal digital assistant device (comprising mobile phone) uses phrase association and the accurate input method of Chinese character by voice suggestion.It utilizes the phonetic prompt method of phrase association to realize accurate Chinese character input.
Background technology
The phone and the personal digital assistant device of a CN00103333 blind man use simultaneously, telephone set and personal digital assistant device that particularly a kind of blind man simultaneously uses.It at first utilizes blind person's sense of hearing recognition principle, the numeric keypad that passes through at existing telephone and personal digital assistant device carries out on the Chinese-character phonetic letter input basis, realize accurate Chinese character input by the phonetic prompt method of phrase association, blind is the standard spelling input method that adopts voice to enter for the information of mobile terminal information input.
The standard spelling input method is the input method based on the Chinese phonetic alphabet, spelling input Chinese character under the spelling mode interface.All arrange out but when input one key or number key, have the Chinese character that meets the key covering, turn over screen and show that choosing is convenient inadequately, need good eyesight and patience.
On embedded personal digital assistant device phrase association and voice suggestion combined and carry out the Chinese character input and do not have feasible technology at present, this is that memory capacity is also limited because the computing velocity of embedded personal digital assistant device microprocessor is limited.
Summary of the invention
The present invention seeks to: slow and store little feature in order to adapt to embedded personal digital assistant device processing speed, the Chinese character input method that a kind of personal digital assistant device uses phrase association and voice suggestion is proposed, the mode that adopts the input of combined standard phonetic to combine with the TTS massage voice reading is carried out the standard Chinese character input, and can realize blind person's accurate Chinese character input, the blind standard Chinese character input method of using of the personal digital assistant device that enters in conjunction with voice especially is provided, offers the eyesight disabled and use; The object of the invention is to realize on the hardware platform of existing common personal digital assistant device.The present invention also aims to propose a kind of interprets queries method that adapts to the economy of embedded personal digital assistant device to the Chinese character phrase.
The present invention seeks to realize like this: a kind of personal digital assistant device uses the Chinese character input method of phrase association and voice suggestion, carry out the standard Chinese character input with the input of standard phonetic and the mode of TTS voice secondary combined, after the personal digital assistant device start, after searching network and being ready to, tell the user " personal digital assistant device is normal " by voice.Choice criteria pinyin input mode in the information input mode both can be enabled the standard pinyin input mode.The present invention finishes the input of standard phonetic by the letter of the button correspondence on the keyboard in standard personal digital assistant device keyboard, thereby finishes the input of standard Chinese character.That input back input item covers and the individual character arranged explains that by phrase in the corresponding database pronunciation arranges, and correspondingly exports in the mode of voice, and the content of pronunciation is pointed to the address in the speech data district of the corresponding pronunciation of phrase.Explain and voice suggestion by word association that under spelling mode what allow friend blind person can be correct carries out the Chinese character input.
Individual character is linear corresponding relation by phrase in the database of correspondence, and each word is explained doing association with regard to a double word phrase.
Under the pattern of standard personal digital assistant device phonetic, select for use the letter of numerical key correspondence to carry out the input of phonetic, do association through the double word phrase and explain, thus the prompting standard Chinese character.
Further improvement of the present invention is: above-mentioned standard phonetic input is converted to by the phonetic prompt method of phrase association realizes accurate Chinese character input, and the term pronunciation goes out then and please the user confirm.Especially do to select after association's interpret prompts through the double word phrase.
The present invention can reach the blind standard spelling input method of using, and is to realize accurate Chinese character input by the phonetic prompt method that phrase association is explained the blind standard spelling input method that can adopt voice to enter for the input of personal digital assistant device Chinese character of applicant's design.The standard spelling input method is the input method based on the Chinese phonetic alphabet, spelling input Chinese character under the spelling mode interface, mobile phone can enter for the phonetic of your input and form Chinese character according to phonetic by voice, associates " you " as " you ", and " mud " associates " earth ".The present invention realizes blind person's accurate Chinese character input in conjunction with TTS (Text toSpeech) text reading technology.
Characteristics of the present invention are: provide a kind of standard Chinese character input method of personal digital assistant device to use to the eyesight disabled.Embodiments of the present invention are to realize on the hardware platform of existing common personal digital assistant device, are applicable to existing common personal digital assistant device storer and arithmetical unit performance index.After the personal digital assistant device start, after searching network and being ready to, tell the user " personal digital assistant device is normal " by voice.Under the software frame of supporting the standard Chinese character input, the user can correctly import and want the information content imported.
The hardware condition that the present invention is suitable for personal digital assistant device uses the Chinese character input method of phrase association and voice suggestion, and realizes blind person's accurate Chinese character input easily, to looking barrier patient even the normal user of eyesight booster action is arranged also.
Description of drawings
Fig. 1 is a standard Chinese character input method of the present invention
Fig. 2 is a standard Chinese character input method process flow diagram of the present invention
Fig. 3 is the corresponding method that Chinese characters association of the present invention is explained, algorithm is searched in bivariate table for adopting binary search, and this two dimension tableau format is as shown below.
Embodiment
The present invention just can carry out the input of standard phonetic under standard phonetic Input Software is supported.Flow process with reference to figure 1 and Fig. 2.Select numerical key for use, promptly numerical key 2,3...... correspondence is exactly that ABC, DEF...... carry out the phonetic input, and further by word association and voice suggestion, makes the user distinguish phonetically similar word, realizes what standard Chinese character was imported.Will enter for " ni " such as the ni system, the user can enter corresponding individual character and select the interface, and this interface has phonetic to be " ni " phonetically similar word, as " you ".The user browses to " you " time, the input method prompting " you, you ", in order to realize the accurate differentiation and the input of phonetically similar word, need carry out association to individual character and distinguish, associate " you " as " you ", " mud " associates " earth ".Individual character is carried out being prompted to the user after the association.As for some special individual characters, should be prompted to the user as " one " and be numeral, " Liu " should be prompted to the user and be surname.The user just can carry out Chinese character differentiation accurately and input according to different implications.Specific implementation is according to the GB2312 Hanzi coded character set, and totally 6763 Chinese characters are produced from the Chinese character to the associational word or the database of explanation.The Unicode code index that comprises the individual character Chinese character in this database, the attribute of individual character (numeral, the tone, name etc.), the Unicode coding of associational word.When the user browses individual character to be selected,, in database, retrieve relevant associational word or explanation by the Unicode coding of this individual character.Consider the versatility of this input method, use that this database has adopted the tactic static table according to the Unicode coding, in retrieval, adopt search by half based on orderly sequence list as embedded system.This searching method searches under worst case and requires the required key number of comparisons of object to be about O (log2n).
The present invention can realize blind person's accurate Chinese character input in conjunction with TTS (Text to Speech) text reading technology.TTS is existing technology, includes 13 06 ones as input, 26 English alphabet pronunciations and 3 pause sounds, and voice are kept in the terminal memory with the form of wav file.In the address table, per 4 bytes are represented an address entries.See at personal digital assistant device and support under the framework of standard Chinese character input that by word association and voice suggestion, eyesight disabled can be correct carries out the Chinese character input under spelling mode.This input method software frame under, the user is input information if desired,
The Chinese characters association algorithm is searched in bivariate table for adopting binary search, and this two dimension tableau format as shown in Figure 3.First classifies the Chinese character that needs association as, and secondary series is the explanation to this Chinese character.
In embedded system, the arithmetic capability of processor is often more limited, therefore in order to reduce calculated amount, algorithm sorts to the Unicode coding of this form according to the first row Chinese character before search, and carrying out binary search. the basic thought of binary search is, suppose that this search list is shown (a1 according to the Unicode code table of the first row Chinese character, a2, ..., an), the Chinese character of a certain position i in the option table, establishing its Unicode sign indicating number is Ki, with Ki with wait that the Unicode sign indicating number key that looks into Chinese character compares. its result have following three kinds may:
1.key＜Ki, then if wait to look into Chinese character in table, then must sublist (a1, a2 ..., ai-1) in, next in this sublist, continue search.
2.key=Ki, then search for successfully.
3.key＞Ki, then if wait to look into Chinese character in table, must sublist (ai+1, ai+2 ..., an) in, next in this sublist, continue search.
Suppose in table, finally to search Chinese character to be looked into, then take out this Chinese character institute explanation one to one in this bivariate table.
For 6763 Chinese characters among the GB2312, it is that 40578 bytes are stored that this table needs 6*6763.Can be applied to the platform of existing personal digital assistant device fully.
Claims (1)
1, personal digital assistant device uses the Chinese character input method of phrase association and voice suggestion, under the pattern of standard personal digital assistant device phonetic, select for use numerical key or mobile corresponding letter to carry out the input of phonetic, thereby finish the standard Chinese character input, it is characterized in that adopting the input of standard phonetic and the mode of TTS voice secondary combined to carry out the standard Chinese character input, choice criteria pinyin input mode in the information input mode, finish the input of standard phonetic by the letter of the button correspondence on the keyboard, the individual character that input item covers after the input and arrange is arranged by phrase explanation pronunciation in the corresponding database, and corresponding pronunciation explanation of exporting arrangement in the mode of voice, under spelling mode, explain and voice suggestion, make the user select correct Chinese character input by word association; Described individual character is linear corresponding relation by phrase in the database of correspondence, and each word uses the association of double word phrase do to explain; After the personal digital assistant device start, after searching network and being ready to, be provided with " personal digital assistant device is normal " voice output; Transfer described standard phonetic to Chinese character, and the term pronunciation goes out and please the user confirm.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100380754A CN100359445C (en) | 2006-01-27 | 2006-01-27 | Chinese character input method using phrase association and voice prompt for mobile information terminal |
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| CNB2006100380754A CN100359445C (en) | 2006-01-27 | 2006-01-27 | Chinese character input method using phrase association and voice prompt for mobile information terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103246400A (en) * | 2013-05-09 | 2013-08-14 | 江苏诚迈科技有限公司 | Device and method for quickly selecting characters/terms during input operation for intelligent touch screen mobile phone |
| CN103312893A (en) * | 2013-05-16 | 2013-09-18 | 江苏诚迈科技有限公司 | Chinese character annotation sound device and Chinese character identification method of intelligent touch screen mobile phone |
| CN106055260B (en) * | 2016-06-03 | 2019-06-07 | 深圳市联谛信息无障碍有限责任公司 | A kind of reading screen method and device of safety keyboard |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045342C (en) * | 1993-12-07 | 1999-09-29 | 张飞鹏 | Chinese character input method and keyboard thereof |
| WO2005088605A1 (en) * | 2004-03-11 | 2005-09-22 | Seiko Epson Corporation | A semiconductor chip having a text-to-speech system and a communication enabled device |
| CN1703923A (en) * | 2002-10-18 | 2005-11-30 | 中国科学院声学研究所 | Portable digital mobile communication apparatus and voice control method and system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045342C (en) * | 1993-12-07 | 1999-09-29 | 张飞鹏 | Chinese character input method and keyboard thereof |
| CN1703923A (en) * | 2002-10-18 | 2005-11-30 | 中国科学院声学研究所 | Portable digital mobile communication apparatus and voice control method and system thereof |
| WO2005088605A1 (en) * | 2004-03-11 | 2005-09-22 | Seiko Epson Corporation | A semiconductor chip having a text-to-speech system and a communication enabled device |
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