A common problem in acoustical echo cancellation is the continuous change in the room `s impulse response. These changes need to be monitored and adapted to in order to create an enjoyable echo-free environment. In the experiment proceeding, measurements were taken to find an optimal FIR filter that would allow for fast convergence of the adaptive filter as well as a significant echo return loss. Finally, considerations were also taken to create a smooth adaptation from one configuration to the next.
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