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Nowadays, there are many commercial ANC (Active Noise Control) headphones using either digital signal processors (DSPs) as control unit to implement the feedback FXLMS algorithm, or analog circuit by using control theory's feedback structure to cancel the noise in active way. However, for DSP's product, it's much expensive than conventional passive headphone. As a result, this paper proposed using...
Conventional passive headsets often perform well in reducing high-frequency noise but perform badly to cancel the low-frequency noise. Accordingly, academic researches and companies have developed active noise-reducing headsets to cancel annoying noise at such lower frequencies using expensive digital signal processors (DSPs). This paper develops a modified feedback active noise control (ANC)algorithm...
Academic researches and companies have developed active noise-reducing headphones using expensive digital signal processors. This work develops a modified feedback active noise control algorithm to develop an anti-noise headphone with a microcontroller. The system uses one general microphone per ear cup, offering a cheaper solution than existing noise-reducing headphones. Experimental results illustrate...
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