| 摘要 |
PURPOSE:To obtain an adaptive filter device capable of removing noise which has no relation to noise to be canceled by providing the device with the 1st and 2nd weighting adders. CONSTITUTION:The device is provided with the 1st and 2nd adders 13, 14 for weighting one or plural inputs and finding out the sum of the inputs and an adaptive filtering circuit 15 for inputting the output of the 1st adder 13 as a main input and inputting the output of the 2nd adder 14 as a reference input. Since the weighted adders 13, 14 obtained by connecting plural acoustic/electric converter groups 11, 12 are integrated, noise having no relation to the noise to be canceled can be also effectively removed. |
