6. The mobile device for awareness of language ability according to claim 5 , wherein the language ability evaluation unit at least comprises a feature extraction module, a repeated voice segment detection module, a speaker diarization module, and a vocabulary ability evaluation module.
6. The mobile device for awareness of language ability according to claim 5 , wherein the language ability evaluation unit at least comprises a feature extraction module, a repeated voice segment detection module, a speaker diarization module, and a vocabulary ability evaluation module. 7. The mobile device for awareness of language ability according to claim 6 , wherein the feature extraction module receives the voice data input by the voice collection element, and estimates a speech parameter, comprising a frequency cepstrum coefficient, a line spectral pair coefficient, a pitch, a sound intensity, and a voice segment length; the repeated voice segment detection module detects a repeated voice segment in the voice data, outputs a voice of the repeated voice segment and calculates an occurrence ratio of the repeated voice segment, an occurrence time point, a repetition time length, or literal contents of the repeated voice segment; the speaker diarization module analyzes a speaker number, a speaking ratio of each speaker, a time length, or a speaker alternation sequence in speech data of a conversation through a speaker diarization method; and the vocabulary ability evaluation module detects and outputs a vocabulary usage amount, a vocabulary type, or a ratio, a time point, a time length or repeated contents of a repeated voice segment through vocabulary recognition or continuous speech recognition.