
MSD Software Manual PRELIMINARY Release Chapter 9 Utility Functions.
When a loudness session is stopped the graph will be stretched to fill the
remaining part of the window. If the loudness value is above the predefined
'trip' level the counter and Leq(m) value will start blinking red.
If a loudness session is restarted it will automatically stop at the same time as
when the [STOP] key was pressed during the first session. To avoid this press
the [RESET] key before restarting the loudness session.
9.2.3 Synchronising the Leq(m).
To ensure that the loudness session is started at exactly the same time every
time the audio clip is played, it is possible to synchronize the 'Graphic
Loudness Meter' to a SMPTE time code
The source for the SMPTE time code reader determines if the Leq(m) is using
the internal free running time code or the SMPTE time code applied to an audio
input.
To select between the internal free running time code or an external SMPTE
time code signal, enter the Audio Matrix and select a source for the SMPT
destination #52. If the selected source is not a valid SMPTE Time Code signal
the time code will not run and the loudness session will never start. The
internal free running time code generator will be enabled if the source for the
‘SMPT’ destination #52 is ‘OFF’ source #51 or #52. Please see section 5 for
information on how to route audio in the 'Audio Matrix'.
When an external SMPTE time code is selected for the Leq(m) the loudness
session is still started by pressing the [START] key, but the session does not
actually start before the SMPTE time code starts running. The loudness
session halts when the time code is stopped. It is still necessary to press the
[STOP] key to end the session.
9.2.4 Leq(m) filters.
FLAT.
FLMU.
LEQM.
LEQA.
PRELIMINARY Release Page 33 of 64.
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