6. A phonetic language translation system according to claim 4 , wherein said “brain language area activity knowledge base” is an exhaustive, comprehensive, obsessively massive list of brain signal samples of language areas activity information, wherein said list of brain signal samples are the collected information from experimental test results data of brain's language area activities and collected information from neurologists about brain's language areas comprehension.
4. A phonetic language translation system of claim 1 , further comprising: a signal processing operatively coupled between said cap and native language identification, said signal processing analyze the recorded said “brain language area activity signal” to identify the said native language of the user, said signal processing comprises: a data acquisition module coupled to the electrode array for collecting and storing the said “brain language areas activity signal”; an online blind-source separation module to reduce artifacts and improvement signal to noise ratio; a features extraction module to decode the said “brain language areas activity signal” and extract the language comprehension characteristics from said “brain language area activity signal”.