B&K 2250 Light Manual de usuario descargar pdf (Pagina 171)

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101

CHAPTER 14

Reverberation Time Software (Optional Module)

159

Fig.14.9

Spectrum table

Auxiliary Parameters

Below the graphics are two lines containing parameters for displaying the wide band reverberation

times for the current position, or the room average. You are also able to display the L

and

broadband values.

14.3.3 Decay

The Decay tab shows the reverberation time decay from a position or the room average – or

both (Fig.14.10).

Status Field

The Status Field on the Decay tab is the same as on the Overview and Spectrum tabs.

Decay Graph

The Decay graph shows the decay of one frequency band for the selected position and/or the

decay of the same frequency band for the room average (requires Ensemble Averaging).

The Decay Parameter selectors above the graph select which decay to display: T20@Pos,

T30@Pos or EDT@Pos. Each of these selections show the decay for the measurement at the

selected position together with the readout of T20@Pos, T30@Pos and EDT@Pos resp. T20,

T30 and EDT show the decay for the Room Average together with the readout of T20, T30 and

EDT resp. If you only want one graph you can set the other selector to Off.

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