Research Article

Optimal and Adaptive Virtual Unidirectional Sound Source in Active Noise Control

Table 2

The attenuation in real experiments.

SignalAdaptive solution + FXLMSAdaptive solution + RLS

N112 dB14 dB
N27 dB7 dB
N34 dB8 dB
N413 dB16 dB
N53 dB8 dB
N63 dB5 dB