Mobile phone terminal, and peripheral unit for acoustic test of mobile phone terminal

摘要

Amobile phone terminal includes a transmitting side speech signal path switch (21) and receiving side speech signal path switch (22), and a general purpose USB port (24). The signal path switches are interposed between a speech coder/decoder (16) and an A/D converter (14) and D/A converter (15) to enable a terminal acoustic evaluation signal to be input and output through a path different from that in a normal operation mode of the mobile phone terminal. The general purpose USB port (24) is used for connecting the signal path switches (21 and 22) with an external terminal unit (3) so that the control signals of the signal path switches and a terminal acoustic test signal are transferred across these signal path switches and the general purpose USB port. The mobile phone terminal can mount the external connection port for the acoustic evaluation test more efficiently. <IMAGE>