Eric Wiebols (@ErcSic71)
Hi again,Seems my application is fine with the 352us delay I get with arm_fir_decimate_fast_q15 and the 2-tap filter. So I'm happy with this for now.Thank you so...
Thanks for you kind advice !If my application does not tolerate the 300us I will need to revisit the "standalon FIR" approach. Should be able to bring it down below...
Thanks for you kind advice !Yes, if your assumptions are valid the decimation part takes:115 taps: 3.68(my measurement) - 3.56 = 120us3 taps : 300-62.5 = 237,5us.The...
Hi SaeidSeyed,Please see my reply to kaz.I tried a standalone FIR filter before droppingh every other sample but I did not get the desired result. So I tried arm_fir_decimate_q15...
Hi kaz,To elaborate a bit: I have a MEMS microphone connected to an nRF52. To get the wanted 16kHz sample rate I need to set the PDM clock to 1MHz. Now, most PDM...
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