With the continuous progress of science and technology, communication is more and more developed, replacement of electronic products rapidly, especially mobile phone, the PC market is developing very fast, and towards the multifunctional, personalized, miniaturization direction. However, sound effect is to continue to improve, multimedia video play, a cell phone ring, arranger, MP3 listening and so on, need to have a better voice interface, domestic market demand continues to expand, advantageous promotes the speaker.