| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel portable communication terminal capable of performing noise cancellation suitable for the state where the portable communication terminal is being used.SOLUTION: The portable communication terminal is characterized in that, while predetermined input is not detected during a telephone conversation, a noise component included in an output signal of a first microphone is canceled on the basis of the output signal of the first microphone and an output signal of a second microphone and when the predetermined input is detected during a telephone conversation, the noise component included in the output signal of the first microphone is canceled on the basis of only the output signal of the first microphone between the first microphone and the second microphone. |
