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The SERAPH M2 in Detail: System settings
see the format of the MADI data stream. That means, you can see how many channels are
included and if it is based on a 48k or 96k frame
. In order to use the channels of the MADI
signal, you must choose the appropriate configuration in
<
Settings
> <
MADI
>
. The second
row of the MADI inputs signals, if the clock of the input is identical to the clock currently used.
In this case the green LED as well as ’sync’ will appear. If the clock of the MADI input differs
from the current clock, ’error’ and the red LED will appear.
6.3
Settings
General and Sync
Internal Clock
In this section the operation limits of the SERAPH M2 may be defined using
the ’min’ and ’max’ entry fields.
If no application is using the SERAPH M2, you may define with which samplerate the sound
system is supposed to work in the field ’This samplerate’.
By selecting ’the last used’, the SERAPH M2 will keep the samplerate that was used last for
the next recording or playback via an audio application
MME/DirectSound Samplerate Conflicts
Activating this option the driver software will
allow recordings and playbacks with deviating samplerates. Consequently an audio application
will not display a warning. Instead, if you deactivate this option, an audio application will
report a message, which in turn can cause the malfunction of some poorly programmed
audio application (and this is the reason we introduced this option, because we believe
SERAPH M2 users know how to handle clock and samplerate and prefer not having to deal
with such audio applications).
What is behind this?
When recording or playing back audio with MME or DirectSound,
Windows
TM
systems will always use the samplerate defined in the properties of the audio device,
setup in the windows control panel - Even if the application requests a different samplerate.
In such case a resampling will take place. The driver software is unable to set the samplerate
requested by Windows in these situations:
1. The SERAPH M2 is synchronized by an external clock whose samplerate differs from the
requested samplerate.
2. The SERAPH M2 is already used by other applications with a different samplerate.
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In the appendix you can find a table that will show you which software device corresponds to which MADI
Port depending on samplerate and transfer mode.
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