I'm using the PEQ in HifiBerryOS as my main EQ. That one doesn't support all frequencies though. It mostly seems to support multiples of 100Hz, except for the (very) low frequencies.
E.g. a profile may have a peak filter for 1550Hz, while the HifiBerry PEQ supports 1500Hz and 1600Hz only. What would be the best way to adapt the profile? Simply use the next higher or lower frequency? And if so, would higher or lower be preferred? Does that depend on the frequency and/or filter? Or should I also adjust the gain and/or q-factor in that case?
E.g. a profile may have a peak filter for 1550Hz, while the HifiBerry PEQ supports 1500Hz and 1600Hz only. What would be the best way to adapt the profile? Simply use the next higher or lower frequency? And if so, would higher or lower be preferred? Does that depend on the frequency and/or filter? Or should I also adjust the gain and/or q-factor in that case?