3M DL, SE RT60 summary screen , Viewing RT60 values of each band , Deleting RT60 value in a filtered band

84 Additional options
Reverberation results
Models SE and DL
studies, you may want to review the data at the end of the session. In this
example, you would access the File\Session\Data F ile screen and select a
past study. (For more information, see “Viewing past s essions/studies” in
Chapter 7.)
RT60 summary screen
This is a vertical bar chart that will plot the T60 va lues taken from each octave
band or 1/3 octave band.
Viewing RT60 values of each band
1. The decay value for each specific band is viewabl e by pressing the
left/right arrow keys.
 NOTE: Bands with invalid T60 values will show dashes (---) instead of a
value.
Figure 6-5: RT60 bar chart screen
Deleting RT60 value in a filtered band
This optional feature allows you to delete a selected f iltered band from the
session average and is available when in review m ode of “view current study”
screens. (This may be used, if for example, you had someone accidentally
walk in during your test and begin speaking. You c ould delete the bands
which interfered with your test from the RT60 average results .)
1. To delete a filtered band, select either the RT60 S ummary screen or the
Decay curve screen.
Filter band results
Displays the RT60 filter
band frequency values
T
60(20)
States that T60
measurement was
extrapolated from a
T20 measure.
Overall RT60 value of
selected band.
Selected band
RT60 bar chart
Decay (To view decay
results, press softkey)