24 • Configuration
MUX-8258 Series User Guide (v9.0)
Operation Notes
This section provides brief notes when operating the MUX-8258.
Audio Proc Amp Controls
The MUX-8258 includes Processing Amplifiers (Proc Amps) for the audio inputs on the card. Note that these
features are not available when using the card-edge controls.
Proc Amp adjustments are applied in the following order:
1.
Sum
— This option enables both channels to carry the average of the two input channels (A+B/2). When the
input is summed, the original signals are no longer available for output. This option only operates with AES
input pairs.
2.
Delay
— This option enables you to adjust the delay of the audio channel. If you have enabled the Delay Lock
feature, changing the delay value for one channel automatically changes the value for the other channel.
3.
Gain
— This option provides a +/- 20dB gain range in 1dB increments. If you have enabled the Gain Lock
feature, changing the gain value for one channel automatically changes the value for the other channel. When
using the MUX-8258-C, the gain range is +/- 10dB.
4.
Invert
— This option enables you to invert the polarity of the audio signal for the selected channel.
Minimum Delay Overview
The line buffer stores incoming video in relation to the incoming video clock timing. The video data is then read out
in relation to the reference timing. This allows the input video to be switched between sources that may not be
perfectly timed without timing glitches. Video source timing must remain within the buffer window to properly
switch between sources.
provides information on the buffer window available depending on how the
Minimum Delay feature is configured in DashBoard.
Summary of Contents for MUX-8258 Series
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