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4 - The PatchMix DSP Mixer<br />
The Session<br />
The Session<br />
The current state of the PatchMix DSP mixer (fader settings, effects routings…everything!)<br />
can be saved as a Session. Whenever you create or modify a mixer setup, all you<br />
have to do is Save it to be able to recall it at a later time.<br />
Before you begin using PatchMix DSP, you need to set it up to be compatible with the<br />
other software applications you may be running. The most important consideration is<br />
your system sample rate. PatchMix DSP and any applications or other digital gear you<br />
are using must be set to the same sample rate. PatchMix DSP can run at 44.1kHz,<br />
48kHz, 88kHz, 96kHz, 176.4 kHz or 192kHz, but its complete set of features are only<br />
available at 44.1kHz or 48kHz. See “Using High Sample Rates” on page 111 for details.<br />
Once the sample rate is set, you can only easily switch between 44.1k and 48k. You<br />
cannot switch between 44/48k and 88k/96k/176k/192k. With a change to these<br />
higher sample rates, you must start a new session.<br />
You can also set up an external sync source, thereby obtaining the sample rate from<br />
some other device or application. External sync can be obtained from the ADAT input<br />
or S/PDIF input. If the session is set at 44.1kHz or 48kHz and the external source is<br />
coming in at a higher rate (such as 96k), the Sync Indicator will be extinguished (off),<br />
but PatchMix will attempt to receive the external data. The two units are NOT sample<br />
locked however, and you should correct this condition to avoid intermittent clicks in<br />
the audio. Always check for the presence of the LOCKED indicator whenever you are<br />
using a digital interface.<br />
PatchMix DSP comes with several session templates to choose from so when you create<br />
a new session you can either create a “blank” session based around a designated<br />
sample rate, or select from a list of template starting points.<br />
In a PatchMix DSP session the number of strips in the mixer is dynamically configurable.<br />
This allows you to create only those strips you need up to a maximum number<br />
determined by available DSP resources and available inputs.<br />
New Session<br />
You create a new session by clicking the “New Session” button in the PatchMix DSP<br />
main Toolbar. The following dialog box appears.<br />
Select a Template or new<br />
Session at the desired<br />
sample rate<br />
Session Description<br />
Add your own comment<br />
or note about the Session<br />
Check this if you want to<br />
edit the New Session.<br />
Important: When<br />
using any form of digital<br />
input, you MUST<br />
synchronize the Digital<br />
Audio System to the<br />
external digital device<br />
(S/PDIF/ADAT).<br />
32 <strong>Creative</strong> Professional