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E-MU 0404 PCIe Digital Audio System OpMan - English - Version 2.10

E-MU 0404 PCIe Digital Audio System OpMan - English - Version 2.10

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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!) can<br />

be saved as a Session. Whenever you create or modify a mixer setup, all you have to do is Save<br />

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 other<br />

software applications you may be running. The most important consideration is your system<br />

sample rate. PatchMix DSP and any applications or other digital gear you are using must<br />

be set to the same sample rate. PatchMix DSP can run at 44.1kHz, 48kHz, 88.2kHz, 96kHz,<br />

176.4 kHz or 192kHz sample rates, but the effect processors are only available at the 44.1kHz<br />

or 48kHz rates.<br />

When you start a new PatchMix DSP Session, the first choice you make is to select the sample<br />

rate. Once set, you can only easily switch between 44.1kHz and 48kHz. You cannot switch<br />

between 44/48kHz and 88k/96k/176k/192k. With a change to these higher sample rates,<br />

you must start a new session.<br />

You can also set up an external sync source, thereby obtaining the sample rate from some other<br />

device or application. External sync can be obtained from the S/PDIF input. If the session is set<br />

at 44.1kHz or 48kHz and the external source is coming in at 96kHz, the Sync Indicator will be<br />

extinguished (off), but PatchMix will attempt to receive the external data. if the Sync Indicator<br />

is Off, the two units are NOT sample locked and you should correct this condition to avoid<br />

intermittent clicks in the audio. Always check for the presence of the “LOCKED” indicator<br />

whenever you are using a digital interface.<br />

PatchMix DSP comes with several session templates to choose from so when you create a new<br />

session you can either create a “blank” session based around a designated sample rate, or select<br />

from a list of template starting points.<br />

In a PatchMix DSP session the number of strips in the mixer is dynamically configurable. See<br />

Pre Fader or Post Fader. This allows you to create only those strips you need up to a maximum<br />

number determined by available DSP resources and available inputs.<br />

Important: When<br />

using any form of digital<br />

input, you <strong>MU</strong>ST<br />

synchronize the <strong>Digital</strong><br />

<strong>Audio</strong> <strong>System</strong> to the<br />

external digital device.<br />

See Using External Clock<br />

New Session<br />

You create a new session by clicking the “New Session” button in the PatchMix DSP main<br />

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 />

20 Creative Professional

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