Audio FIR Filter Design Software

FIR Designer MFIR Designer, FIR Creator & FIR Creator EX are intuitive audio FIR filter design tools for building powerful FIR and mixed FIR + IIR processing solutions that leverage both the efficiency of IIR filtering and the arbitrary response capabilities of FIR filtering. Learn more about FIR filtering for loudspeakers.

Complementary Averager software combines loudspeaker measurements into a single response, for use in any audio tool & for plotting.

Download a free version of any product & use for as long as you’d like.



Compare FIR Filter Software Features

FIR Creator
Standard Option
FIR Creator EX
Standard Option
+ Pro Export
FIR Designer
Pro Option
FIR Designer M
Pro Option

Do you need features or functionality currently not offered by our software tools? Please tell us!

(we’re a small company and our development efforts often begin with customer feedback)

SMAART is a registered trademark of Rational Acoustics LLC, Connecticut, USA.