Chapter 6: DADman Software
32
DigiLink
MTRX II can be configured as either two Primary audio interfaces (Pri/Pri) or as a Primary audio interface and an Expansion audio in-
terface (
Pri/Exp). While these can be configured to emulate HD IO or MADI I/O audio interfaces (each with up 16 channels per inter-
face), it is recommended that you select MTRX 32x32 with Pro Tools | HDX and HD Native systems.
To setup the DigiLink configuration:
Click the DigiLink button and select either Pri/Exp (when using a single DigiLink Mini port to connect to your HDX or HD Native
hardware and the other DigiLink port to connect to an expansion Pro Tools audio interface) or
Pri/Pri (when using a both DigiLink
Mini ports to connect to your HDX or HD Native hardware) from the
DigiLink mode selector.
To change the audio interface emulation:
Click the DigiLink button and select MTRX 32x32 from the Port 1 emul selector. If DigiLink mode is set to Pri/Pri, also select
MTRX 32x32 from the Port 2 emul selector.
MADI Coax Interface
The built-in MADI Coax interface can be configured for compatibility with different implementations of MADI.
Frame rate
Can be set to Legacy or High, but only if the sample rate is higher than 48 kHz. If the sample rate is 44.1 kHz or 48 kHz,
the Frame rate is always
Legacy. In Legacy mode, the MADI Frame length is maintained and adjacent channels are “merged” into one
channel. In High mode, the MADI Frame length is reduced rate and consequently the Frame rate is increased. Because of this difference,
High mode has lower latency than Legacy mode. Please note that some third-party MADI products may not support High mode.
Frame size
Can be set to Normal or Extended. Normal mode supports up to 56 channels whereas Extended mode supports up to 64
channels.
Ch. status
Can be set to Default or Transparent. This setting is only relevant when routing incoming AES/EBU or MADI channels to
a MADI output. In Default mode, the MADI Channel status bits are
defined by the MTRX II, whereas in Transparent mode the channel status bits from the relevant source (AES/EBU or MADI) are trans-
ferred to the outgoing MADI signal. In most cases it is best to leave it in
Default mode.
Input rate
Can be set to Auto or As AD. In Auto mode, the MTRX II determines the sample rate of the incoming MADI signal. In As
AD mode, the MTRX II assumes that the incoming MADI has the same sample rate as the MTRX II. It is usually recommend to leave
this set to
Auto. However, there may occasionally be compatibility issues with third-party products, in which case, setting it to As AD
may solve any problems.
DigiLink configuration options
MADI Coax configuration options
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