| 摘要 |
A remote controller having an echo function is provided to allow a user to exercise pronunciation of a native speaker by enable the user to sing a popular song as listening to the popular music in an echo state. A microphone driving unit(40) drives a microphone(1) for receiving the voice of a user. A microphone volume switch(42) controls a sound inputted from the microphone(1). An input voice amplifying unit(30) includes a voice IC(31) for amplifying a voice signal inputted from the microphone(1). A music volume switch(90) controls a reproduced sound. A voice mixer(70) outputs the voice signal inputted through the microphone(1) and a reproduced sound of a sound reproducing device to a speaker(2) through each different path. A power amplifier(60) amplifies the current supplied from a power source unit(61). An echo circuit(50) includes an echo IC(51) for amplifying/circulating a voice signal, inputted to generate an echo, and an echo volume switch(52). |
