| 摘要 |
A method for outputting a signal of an electronic device where a noise is removed and an electronic device adopting the same are provided to have an noise removing effect superior to a pre-existing digital article and a manner employing at least two microphones by using one microphone. A self-filtering effect is implemented by the electronic device between the outside of the electronic device and a speaker(40) of the electronic device. A filtering operation corresponding to the self-filtering effect is performed for a signal of the outer noise. A sound signal to be reproduced is reproduce with amplification after deducing a filtered outer noise. The filtered signal is phase-inverted. The phase-inverted signal is added to the sound signal. A microphone(10) receives outer noise in the outside of the electronic device. After performing phase-inverting of the outer noise filtered by an internal filter(23), a phase-inverter(25) provides the outer noise which is phase-inverted to the speaker. |
