VOICE-CONTROLLED APPARATUS USING TELEPHONE AND VOICE-CONTROL METHOD

A voice-controlled device of this invention includes a receiving/discriminating mechanism for receiving a DTMF signal externally input through a telephone line and discriminating the DTMF signal, a level detecting mechanism for detecting a signal level of the DTMF signal input to the receiving/discriminating mechanism, a speech recognizer for recognizing the content of a voice signal externally input through the telephone line, an input level adjustor for adjusting a signal level of the voice signal input to the speech recognizer on the basis of the signal level detection result by the level detecting mechanism, and a function executor for executing a function according to the content of the voice signal recognized by the speech recognizer.