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Additional options

Reverberation results

studies, you may want to review the data at the end of the session. In this example, you would access the File\Session\Data File screen and select a past study. (For more information, see “Viewing past sessions/studies” in Chapter 7.)

RT60 summary screen

This is a vertical bar chart that will plot the T60 values 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 viewable by pressing the left/right arrow keys.

NOTE: Bands with invalid T60 values will show dashes (---) instead of a value.

RT60 bar chart

Selected band

T60(20)

States that T60 measurement was extrapolated from a T20 measure.

Overall RT60 value of selected band.

Filter band results Displays the RT60 filter band frequency values

Decay (To view decay results, press softkey)

Figure 6-5: RT60 bar chart screen

Deleting RT60 value in a filtered band

This optional feature allows you to delete a selected filtered band from the session average and is available when in review mode 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 could delete the bands which interfered with your test from the RT60 average results.)

1.To delete a filtered band, select either the RT60 Summary screen or the Decay curve screen.

Models SE and DL

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