
AJA Path Delay Chart
Delay is a few lines more than 1 frame. When
SDI Passthrough is selected, delay is just a few
lines.
1.3us
1.3us + 1line=64.9us
2-line comb mode
3-line comb mode
The following table summarizes path delays for AJA Video System Mini-Converter, Frame Synchronizers
and R-Series Card Modules
Mini-Converters

< 1 line for HD formats
<4 lines for SD formats
Increased delay on SD formats due to comb
lter
1ms A/V. Video: less than 250 pixels
Audio: 10 video lines or less depending
on video format.
The faster the line rate, the longer the audio
delay becomes due to a shorter blanking
period where we transfer the audio packets.
HD mode video 7us,
SD mode video 19us,
disembed 290us,
embed (SRC off) 290us,
embed (SRC on) 1500us
D mode video 7us,
SD mode video 19us,
disembed 900us,
embed (SRC off)1200us,
embed (SRC on) 2.5ms
SD mode < 1 Line
HD mode 1 to 3 Lines
10 lines, 1 eld for .psf
Delay is a few lines more than 1 frame.
1.5 frames-Audio, 1-2 frames-Video
2 | Mini-Converter, Frame Synchronizer and R-Series Card Module Path Delays www.aja.com