2. The speech recognition method of claim 1 , further comprising: obtaining the acoustic model through training with the speech signals based on different languages, dialects or different pronunciation habits.
3. The speech recognition method of claim 2 , wherein the step of obtaining the acoustic model through training with the speech signals based on different languages, dialects or different pronunciation habits comprises: receiving the phonetic transcription sequences matching pronunciations in the speech signals; and obtaining data of a plurality of phones corresponding to the phonetic transcription sequences in the acoustic model by training according to the speech signals and the phonetic transcription sequences.