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4 - The PatchMix DSP Mixer
The Session
30 Creative Professional
The System Settings include the following:
E Note: if set to
“External” without an
external clock present,
PatchMix DSP defaults to
the internal 48kHz clock
rate.
Using External Clock
E Note: The maximum
supported sample rate for
S/PDIF is 96kHz.
Whenever you are using any digital I/O such as ADAT or S/PDIF, one of the digital
devices MUST supply the master clock to the others. This master clock runs at the system
sample rate (44.1k, 48k, 88.2k, 96k, 176.4k or 192 k) and can be distributed using a
dedicated cable (word clock) or embedded into a data stream such as S/PDIF or
ADAT. Common symptoms of unsynced digital audio include, random clicks or pops
in the audio or failure of the digital stream to be recognized. Always check for the
presence of the “LOCKED” indicator whenever you are using a digital interface.
If an External Clock is interrupted or switched after the Session has been created (except
between 44.1k <-> 48k), the “LOCKED” indicator will be extinguished and PatchMix
will attempt to receive the external data. The two units are NOT sample locked however,
and you should correct this condition to avoid intermittent clicks in the audio.
MIDI Settings
E The SMPTE Input will
not function and the
Sync Card control panel
will not be updated
when Dock MIDI 2 In is
selected.
Word Clock and SMPTE
Out
will
operate with
Dock MIDI 2 selected.
This option allows you to use either the MIDI In jack on the rear of the AudioDock or
the Sync Card MIDI jack as a MTC Output. (The MTC Out only transmits MTC.)
• Internal/External Clock Selects between internal or external word clock source
as the master clock source for the system
• Sample Rate Selects the sample rate when using internal clock.
Your choices are: 44.1kHz, 48kHz, 88.2 kHz, 96kHz,
176.4kHz, 192kHz.
• External Clock Source
(ext. clock only)
Select from: ADAT, S/PDIF, or Word Clock (Sync card
only) as an external sample clock source.
• Dock MIDI 2 In Selects the rear MIDI Input on the AudioDock as MIDI 2.
• Sync Card Enabled Selects the Sync Card functions. This selection disables
MIDI 2 In on the rear panel of the AudioDock. MIDI 2
Out on the rear panel of the AudioDock duplicates MIDI
1 Out in this mode.