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Trillium Lane Labs Plug-ins Guide 84
DSP Usage on TDM Systems
On Pro Tools HD and HD Accel systems,
TL Space can be instantiated as TL Space Short,
Medium and Long. The plug-in name displayed
in the menu refers to the maximum reverb time
as shown in Table 1 on page 82.
The different versions of TL Space have different
DSP usage requirements. A Pro Tools HD card
contains nine identical DSP chips. A Pro Tools
HD Accel card contains nine DSP chips, four of
which offer external SRAM. In some modes,
TL Space requires Accel chips with external
SRAM. Table 3 shows the TL Space DSP require-
ments by reverb time.
The number of DSP chips required is a function
of the number of inputs and outputs, and the
type of processing in use. The maximum chip
usage is 8 DSP chips across two HD Accel cards.
Table 4 shows the TL Space DSP requirements by
channel.
These numbers represent the maximum possi-
ble DSP usage of TL Space Long. For example, TL
Space Medium has only 50% of the DSP require-
ment in supported stereo and quad channel for-
mats.
CPU Usage
On all Pro Tools systems, TL Space can be in-
stantiated as an RTAS plug-in. This impacts the
performance of the CPU. CPU usage can be
monitored in the System Usage window.
Table 3. TL Space HD DSP requirements
Plug-in Format DSP
TL Space Short TDM Any HD DSP chip
TL Space Medium TDM Any HD Accel chip
with external
SRAM
TL Space Long TDM Any HD Accel chip
with external
SRAM
Table 4. TL Space DSP requirements by channel
Input Output
Maximum
number of
DSP chips
Mono Mono 1
Stereo 2
Quad 4
5.0 5
Stereo Stereo 2
Quad 4
5.0 5
True Stereo Stereo 4
Quad 8
To optimize performance of TL Space for
RTAS processing, set the Hardware Buffer
Size in the Playback Engine to 512 samples.