Saeid Seyd (@SaeidSeyd)
I was about to suggest the same thing "standalone FIR filter and then every other sample" but if you tried and it did not work then it could hint to some other...
I am not sure what you mean by replacing the 115 tap filter with a 2 tap filter. Are you filtering your signal before using arm_fir_decimate_q15().ARM arm_fir_decimate_q15()...
@weetabixharry You can use a simple DC blocker first (e.g. 1/(1-beta*z^(-1))) and then apply the power method. Teager energy still works for this scenario. You...
Here is a sample matlab file for "Power" and "Teager" and their figures. For both you can set a threshold. I have plotted the threshold for the power in the figure....
The first question is whether you want to detect this region in real-time or non real-time. If it is in real-time you may face some delays in detection of the region...
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