CN101141666A - Method of converting text note to voice broadcast in mobile phone - Google Patents
Method of converting text note to voice broadcast in mobile phone Download PDFInfo
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- CN101141666A CN101141666A CNA2006100624763A CN200610062476A CN101141666A CN 101141666 A CN101141666 A CN 101141666A CN A2006100624763 A CNA2006100624763 A CN A2006100624763A CN 200610062476 A CN200610062476 A CN 200610062476A CN 101141666 A CN101141666 A CN 101141666A
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Abstract
The present invention discloses a method which is used to transform a text message into a voice playing in a cell phone. The method aims at the content of the characters in the existing message, to initialize the dynamic Pinyin base after starting up the cell phone; the dynamic Pinyin base is adjusted after receiving a new message; the characters in the text are transformed into the Pinyin and the tones, after the user pressing a voice playing key while reading the message, then each Pinyin data is called out from the dynamic Pinyin base, to form a Pinyin data flow, to be sent to a voice processing chip; the voice processing chip transforms the voice data flow into a simulating voice signal, and the simulating voice signal is sent to a speaker of the cell phone to play out. A big storage space of the cell phone is unnecessary by adopting the present invention, and the content of the message can be transformed into the voice to playing. The method is quite convenient for the cell phone user.
Description
Technical field
The present invention relates to the communication technology, particularly literal is to speech recognition and treatment technology.
Background technology
The SMS of text formatting must enter under the note reading model and could read.In life, have and many times be inconvenient to read, as driving, situations such as sleep; There is the part user can't read especially, as old man, children or Dyslexia personage.Be inconvenient to read under the situation of note, when checking that existing note or new message arrive, broadcasting, will bring great convenience the cellphone subscriber if can convert text SMS to voice by mobile phone.
Text-converted is become the technology of voice, i.e. " Text To Speech " is called for short TTS.Under the support of built-in chip,, literal is converted into natural-sounding stream intelligently by the design of neural net.The TTS speech synthesis technique of realizing on PC and the high-grade smart mobile phone of part is about to cover GB I and II Chinese character, has English interface, discerns Chinese and English automatically, supports Chinese and English to mix and reads.In addition, a kind of speech play technology of curing, for example bus stop reporting system is all ripe.Yet, for most mobile phones, both there be not enough resources to support tts system, also can't deal with the short message content of receiving that dynamic change with the speech play technology of solidifying.
As long as phonetic is arranged, how this reads just to know this Chinese character, and this is the basic principle of TTS technology.And present nearly all mobile phone all is with spelling input method, this means that Chinese character base in the mobile phone and phonetic storehouse have existed and corresponding relation arranged.This makes the realization of switch technology cheaply on mobile phone of Text To Speech become possibility just for the present invention saves a large amount of speech data memory spaces.
Summary of the invention
Technical problem to be solved by this invention is that a kind of method that realizes text SMS is converted to speech play in regular handset is provided.
Technical scheme of the present invention may further comprise the steps:
At the word content in the existing note, initialization is carried out in dynamic phonetic storehouse behind A, the mobile phone power-on; After receiving new message dynamic phonetic storehouse is adjusted;
B, user become phonetic and tone with the text conversion in the text press the speech play key when reading note after, each phonetic data are accessed from dynamic phonetic storehouse again, form the phonetic data flow, deliver to pronounciation processing chip;
C, pronounciation processing chip convert audio data stream to simulated audio signal and deliver in the mobile phone speaker and broadcast.
Dynamic phonetic storehouse in the such scheme, comprise the higher Chinese character of frequency of utilization, Arabic numerals, punctuation mark and their pairing phonetic of pronunciation and English alphabet in Chinese, wherein the phonetic of high frequency Chinese character correspondence upgrades in mobile phone initialization foundation and after at new message.
Dynamically the foundation in phonetic storehouse and the process of renewal are: free time behind mobile phone power-on, according to existing short message content, count high frequency Chinese, and from intrinsic phonetic storehouse, get access to corresponding phonetic and tone, they are saved in the dynamic phonetic storehouse; With the Arabic numerals in the intrinsic phonetic storehouse, punctuation mark and the pairing phonetic of their Chinese pronunciations and 26 English alphabets copy in the dynamic phonetic storehouse simultaneously; New message counts the high frequency word after coming again, and upgrades the dynamic voice storehouse.
Word content in the described note comprises Chinese character, Arabic numerals, punctuation mark and English alphabet, and wherein the processing method to English is the simple letter-sound that is split as.
In such scheme, phonetic transcriptions of Chinese characters combination is added the voice of tone, the language of English alphabet, be put in the speech chip, form the correspondence table of a phonetic to phonetic code by the sequential write of phonetic code, speech chip is searched corresponding phonetic code according to phonetic stream, converts text SMS to audio data stream.
Method of the present invention does not need mobile phone that big memory space is arranged, and can solve the short message content that will receive and convert speech play to, and is concerning the cellphone subscriber, very convenient.
Description of drawings
Fig. 1 is a flow chart of the present invention.
Embodiment
Below in conjunction with Fig. 1 enforcement of the present invention is further described.
Behind A, the mobile phone power-on, initialization (promptly to the Chinese character part in the literal with counting the high frequency word, add that Arabic numerals, punctuation mark and English alphabet form dynamic phonetic storehouse) is carried out in dynamic phonetic storehouse in conjunction with Arabic numerals, punctuation mark and English alphabet; If do not receive new note, can directly carry out speech play to original note; If receive new message, then dynamic phonetic storehouse is adjusted;
B, user become phonetic and tone with the text conversion in the text press the speech play key when reading note after, each phonetic data are accessed from dynamic phonetic storehouse again, form the phonetic data flow, deliver to pronounciation processing chip;
C, pronounciation processing chip convert audio data stream to simulated audio signal and deliver in the mobile phone speaker and broadcast.
The present invention relates to an intrinsic phonetic storehouse and dynamic phonetic storehouse.This processing is the restriction for hardware memory resource that solves mobile phone and handset processes device chip arithmetic speed, improves the processing speed of whole system.Dynamically the phonetic stock is put in the volatile memory (such as RAM), and it is little to take storage space, and access speed is fast, no erasing times restriction.Dynamically the phonetic storehouse should have statistical analysis of high frequency word and automatic adjustment capability.
Intrinsic phonetic storehouse comprises Arabic numerals, punctuation mark and the pairing phonetic of their Chinese pronunciations and 26 English alphabets.Intrinsic phonetic storehouse is actually an expansion on the database that spelling input method carries in mobile phone, and the nonvolatile memory that takies (such as FLASH) space is minimum.The spelling input method phonetic storehouse that carries on the mobile phone is to obtain Chinese character by input Pinyin, and the present invention need change Chinese character to phonetic, and is with tone information.For the processing of English, be that the simple letter-sound that is split as broadcasts.
Dynamically the establishment and the method for updating in phonetic storehouse are:
The dynamically foundation in phonetic storehouse, be behind mobile phone power-on free time, according to existing short message content, count high frequency Chinese, from intrinsic phonetic storehouse, get access to the phonetic and the tone of correspondence, they are saved in the dynamic phonetic storehouse.With the Arabic numerals in the intrinsic phonetic storehouse, punctuation mark and the pairing phonetic of their Chinese pronunciations and 26 English alphabets copy in the dynamic phonetic storehouse simultaneously.New message counts the high frequency word after coming again, and upgrades the dynamic voice storehouse.
In the present Chinese mobile phone, spelling input method is the main input method of Chinese character.Except that the minority polyphone, be one-to-one relationship between Chinese character and the phonetic, from Chinese word library, choose a Chinese character, then there is a phonetic corresponding with it.This relation one to one can be passed through to improve the character library interface, thereby obtain easily.
To the processing of polyphone, from the context could the decision, in the present invention, we get frequency and the highest pronunciation occurs.
The following describes the processing procedure of text SMS to the phonetic data flow:
1, receives text SMS.
2, data if contain the character that dynamic phonetic storehouse does not have in the text note, are just extracted in the dynamic phonetic of contrast storehouse from intrinsic phonetic storehouse, and upgrade this dynamic phonetic storehouse.
3, Arabic numerals in the text SMS and punctuation mark, convert the Chinese character of Chinese pronunciations correspondence to, form the note of Chinese character and English alphabetic combination.
4, from dynamic sound bank, the phonetic and the tone of each character correspondence are combined into the phonetic data flow then in the note of search Chinese character and English alphabetic combination.
To the phonetic data transaction is become voice signal, can adopt the ISD4004 speech chip, this chip is deposited sound by section, every section sound, each sound 300ms.The phonetic transcriptions of Chinese characters combination adds that tone information amounts to 1311 voice (Chinese pronunciation that comprises the punctuation mark correspondence), add 26 English alphabets, totally 1337 voice, these 1337 voice can be put in the ISD4004 speech chip by the sequential write of phonetic code, form the correspondence table of a phonetic, as table 1 to phonetic code.After obtaining phonetic stream, phonetic stream is sent into speech chip, then can search corresponding phonetic code, convert audio data stream to by speech chip according to phonetic stream.
Table 1, the correspondence table from phonetic to the phonetic code
| Phonetic | Phonetic code (16 system) (numerical value only is for example) |
| a | 010 |
| b | 011 |
| … | … |
| yi1 | 03F |
| yi2 | 040 |
| yi3 | 041 |
| yi4 | 042 |
| … | … |
At different cell phone platforms, the execution mode difference that it is concrete, i.e. the method difference of embedded programming.The present invention is applicable to non intelligent mobile phone.To smart mobile phone, based on operating systems such as windows mobile,, then can call SDK easily if be equipped with the TTS speech engine of Microsoft, realize the process of speech conversion.
Claims (5)
1. method that text SMS is converted to speech play in mobile phone may further comprise the steps:
At the word content in the existing note, initialization is carried out in dynamic phonetic storehouse behind A, the mobile phone power-on; After receiving new message dynamic phonetic storehouse is adjusted;
B, user become phonetic and tone with the text conversion in the text press the speech play key when reading note after, each phonetic data are accessed from dynamic phonetic storehouse again, form the phonetic data flow, deliver to pronounciation processing chip;
C, pronounciation processing chip convert audio data stream to simulated audio signal and deliver in the mobile phone speaker and broadcast.
2. the described method that in mobile phone, text SMS is converted to speech play of claim 1, it is characterized in that, described dynamic phonetic storehouse, comprise the higher Chinese character of frequency of utilization, Arabic numerals, punctuation mark and their the pairing phonetic of pronunciation in Chinese, and and English female and their pronunciation, the higher Chinese character of described frequency of utilization is set up and is upgraded after new message comes in the mobile phone initialization.
3. the described method that in mobile phone, text SMS is converted to speech play of claim 1, it is characterized in that, dynamically the foundation in phonetic storehouse and the process of renewal are: free time behind mobile phone power-on, according to existing short message content, count high frequency Chinese, from intrinsic phonetic storehouse, get access to corresponding phonetic and tone, they are saved in the dynamic phonetic storehouse; With the Arabic numerals in the intrinsic phonetic storehouse, punctuation mark and the pairing phonetic of their Chinese pronunciations and 26 English alphabets copy in the dynamic phonetic storehouse simultaneously; New message counts the high frequency word after coming again, and upgrades the dynamic voice storehouse.
4. claim 1, the 2 or 3 described methods that in mobile phone, text SMS converted to speech play, it is characterized in that, word content in the described note comprises Chinese character, Arabic numerals, punctuation mark and English alphabet, and wherein the processing method to English is the simple letter-sound that is split as.
5. the described method that in mobile phone, text SMS is converted to speech play of claim 4, it is characterized in that, the phonetic transcriptions of Chinese characters combination is added the voice of tone, the voice of English alphabet, sequential write by phonetic code is put in the speech chip, form the correspondence table of a phonetic to phonetic code, speech chip is searched corresponding phonetic code according to phonetic stream, converts text SMS to audio data stream.
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| CN2006100624763A CN101141666B (en) | 2006-09-05 | 2006-09-05 | Method of converting text note to voice broadcast in mobile phone |
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| CN102695148A (en) * | 2012-06-01 | 2012-09-26 | 上海车音网络科技有限公司 | Methods and devices for sending and receiving short message, and short message sending and receiving system |
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