Sample-Rate Converter; Di Synchronization; Analogue Outputs - Prism Sound Titan Operation Manual

Usb audio interface
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Prism Sound Titan
The
Inputs tab
of the
Titan Control Panel app
connector for S/PDIF input, and also indicators to show that the S/PDIF input is unlocked (i.e. no
S/PDIF carrier is recognized) or asynchronous to the unit's sample clock. The unlock indicator is also
shown beneath the digital meter on the unit's front panel (providing that the unit's meters are in Input
mode).
The TOSLINK connector can also accept 8-channel digital input in ADAT format (at 44.1kHz or 48kHz
sample rates) or 4-channel input in ADAT SMUX format (at 88.2kHz or 96kHz sample rates). the
Inputs tab also contains UNL and ASNC indicators for the ADAT/SMUX input function.
Note that ADAT input and output is only possible when operating Titan in one of its specific
ADAT-capable modes. This is to reduce overhead on the host PC or Mac when ADAT input and
output is not required. For more information see the
It is possible to configure a
section.
5.1.2.1

Sample-rate converter

A two-channel sample-rate converter (SRC) can be activated in the S/PDIF input if desired. This
provides very high-quality conversion of any incoming digital audio signal to Titan's current sample
rate. The SRC is selected in the
can be configured in the S/PDIF input, or in the S/PDIF output, but not in both simultaneously.
Note that presence of an SRC in the S/PDIF input is shown by an indicator beneath the digital meter
on the unit's front panel (providing that the unit's meters are in Input mode).
5.1.2.2

DI synchronization

Note that it is necessary to ensure that the sample clock of any digital audio input is synchronous with
Titan's sample clock (unless the
by synchronizing Titan to the source (by using DI or ADAT sync source), or by synchronizing the
source to Titan's S/PDIF, ADAT or Wordclock output. Titan also has a Wordclock sync input for
synchronization to Wordclock-equipped sources or house syncs.
The
Input Settings tab
ADAT input is ASNChronous (i.e. there is an S/PDIF or ADAT signal present but it is not synchronous
with Titan's sample clock).
For more information about synchronization settings, see the
section describing the
5.1.3

Analogue outputs

Titan provides eight analogue output channels on TRS jacks, with dual switchable output level to
allow connection to professional or consumer line-level equipment. The '+4dBu' setting produces
professional signals with a nominal level of +4dBu and allows a maximum level of +18dBu (0dBFS).
The '-10dBV' setting provides consumer signals with a nominal level of -10dBV and allows a
maximum level of +6dBu (0dBFS). Connection to unbalanced equipment is automatically
accommodated by a level-compensation 'bootstrapping' circuit.
In normal operation, the analogue outputs are fed directly with individual signals from the host PC or
Mac; however, it is possible to feed the outputs from local digital mixers within the Titan hardware if
desired - this is described in the
the mixers of other outputs.
© 2013 Prism Media Products Ltd
sample-rate converter
Unit Settings tab
SRC
is active in the digital input path). This can be achieved either
of the
Titan Control Panel app
Unit Settings tab
of the Titan Control Panel app.
Output mixers
Operation Manual
contains the control for selecting the RCA or TOSLINK
Unit Settings tab
in the S/PDIF input, as described in the following
of the
Titan Control Panel
contains indicators to show that the S/PDIF or
Synchronization
section below. Outputs may also be switched to follow
Revision 1.00
of the Titan Control Panel app.
app. Note that the SRC
section and also the
1.24

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