Analyse a REW measurement

Two inputs: the text export of your measurement, and the shape of the room it was taken in. The second one is what turns a graph into a diagnosis. Without dimensions, a dip at 90 Hz is just a dip at 90 Hz.

1

Load your REW exports

Drop your REW text exports here

In REW: File → Export → Export measurement as text

Files are read in your browser and never uploaded.

Frequency response

required: SPL & Phase, exported as text

Second channel

optional: lets us compare left against right

RT60 data

optional: needed to size absorption

2

Describe the room

Measure to the inside faces of the walls. Getting within about 5 cm is close enough.

Room
m

front wall to rear wall

m

side wall to side wall

m

floor to ceiling

Listening seat
m

to your ears, not the sofa back

m

seated

Speakers

Assumed symmetric. If yours are not, measure the one that sounds worse.

m

to the woofer, not the grille

m
m

centre of the bass driver

Advanced

Sets the speed of sound, which shifts every predicted mode by about 0.2% per degree.

Load a frequency response export to continue.