7.2.2.
Configuring the SRC Mode
The SRC Mode control allows the user to adjust the mode for the sample rate converters. The VLPRO
interface for the SRC Mode control is shown in Figure 7-14.
Enable
Enables the sample rate converters for PCM audio.
Bypass
Bypasses the sample rate converters. This setting should be used for non-PCM audio.
The module will automatically detect PCM and non-PCM audio and automatically turn
Auto
on/off the SRCs as required.
7.2.3.
Selecting The Audio Groups That Will Be Embedded
The module has four audio embedders that each insert one group of audio into the outgoing serial digital
video. For the sake of brevity, the control for Audio Embedder 1 is only discussed in this manual. Each
embedder has an enable and disable function. The VLPRO interface for the Embedder Group 1 Enable
control is shown in Figure 7-15.
7812DCDA2Q-HD (-AA, –AES4) Dual Path HDTV Down-converter
Figure 7-14: SRC Mode Control
Figure 7-15: Embedder Group Control
Revision 1.0
7800 MultiFrame Manual
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