STREAM LABS Alpha Plus PCI-E, User Manual

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Connector J9:
For input/output of analog sound via extension audio card Sound Pro.
Sound Pro – extension audio card
This board is installed inside PC and connects either to video card or Stream Alpha Plus PCI-E or
AlphaSDI HD using special ribbon cable for transmission of audio stream and control signals. Board
provides professional quality audio track, synchronized with video. It grants precise insertion of audio
in pass-through audio stream. Also, this board has capability for analog and digital mixing of pass-
through audio streams and provides Audio BYPASS after shut down of PC.
Main features
 Microchips with laser calibration of resistor’s matrixes;
 Relay with orthogonal prismatic contacts;
 Topology, what is used in valve/tube studio equipment and hi-end amplifiers;
 «Ground» bus is connected to «ground» of PC only in one point;
 Non trivial power supply;
 Full galvanic insulation from power train of PC;
 Physical and technological minimization of noise and interference.
Technical characteristics
 Size: 107x90 mm;