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Altera_Forum's avatar
Altera_Forum
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15 years ago

how to design a low pass digital filter with smallest delay

Hello, All I want to design a digital filter with the cutoff frequency 20Hz. The sampling frequency of my acquiring system is very high, up to 8192 Hz. The important requirement is the de...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

if he's already tried an elliptic filter i'm not sure near-linear phase matters, go all out and try a minimum phase FIR

i took a quick look at minimum phase FIR vs IIR for low latency and the IIR came out the winner