Comment 37 for bug 212206

(In reply to comment #16)
> I read an article about DVI and HDMI the other day, in there it was suggested
> that HDMI (and DVI as well, if used this way!) encapsulates digital audio into
> the "video"- (which then of course becomes a "media"-) stream.
>
> I wonder if perhaps this would explain why one line of video is missing on the
> monitor, couldn't it be that the last line is encoded as audio (either
> explicitly or implicitly) and the monitor discards the line?
>

Yes, HDMI carries video and audio data together on the HDMI link, but the audio data is encapsulated in the HBlank and VBlank period. So video data should not be impacted.