Chapter 3 Working with IMX 69
Color Recording Method
IMX records a 4:2:2 Y´CBCR (component) digital video signal. Each sample (pixel) has a
resolution of 8 bits.
Data Rate and Video Compression
IMX uses I-frame-only MPEG-2 compression. IMX is a restricted version of MPEG-2 4:2:2
Profile @ ML. The official SMPTE designation is D10, as specified in SMPTE standard 356M.
Three compression ratios are supported:
Â30 Mbps: 5.6:1 compression
Â40 Mbps: 4.2:1 compression
Â50 Mbps: 3.3:1 compression
Audio
IMX supports two audio channel configurations:
ÂFour audio channels, sampled at 48 kHz with 24 bits per sample
ÂEight audio channels, sampled at 48 kHz with 16 bits per sample
Timecode
IMX supports 30 and 25 fps timecode.