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OPTIMOD-PC
cal I/O mixer on page 1-16.) You can open the Optimod PC Mixer from the Tools
menu in the Orban Control application.
Within the Optimod PC Mixer, there are two mixers, each of which receives the same
four inputs:
•
The stereo analog input on the DB-25 connector
•
Digital 1 Input(AES3) on the DB-25 connector
•
Digital 2 Input (AES3) on the DB-25 connector
•
The WAVE Out from the computer operating system's internal mixing and rout-
ing
The first "Processor Mixer" sends its output to the audio processing DSP on the
OPTIMOD-PC card.
The second "Direct Mixer" sends its output directly to the output routing switcher.
There are three outputs, each of which can receive the following four possible
sources:
•
The Direct WAVE bitstream received from the computer.
•
The Direct Mixer's output.
•
The processor without limiting: The output of the OPTIMOD-PC audio processing
that follows all processing except final peak limiting.
•
The processor with limiting: The output of the OPTIMOD-PC audio processing
that follows all processing, including peak limiting.
Not all outputs have to receive the same source; any source can feed any
output.
Source (3) can provide low-delay monitoring into live talent headphones
because it has much lower throughput delay than source (4).
The output signal routing switcher determines which of the above four signals
feeds:
•
the OPTIMOD-PC card's stereo analog output
•
the OPTIMOD-PC card's AES3 digital output, and
•
the WAVE In going to the PC.
1-15
INTRODUCTION
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