SDI, Serial Digital Interface, is mainly used for professional broadcast (PAL/NTSC) and digital cinema purposes.

The related standard HD-SDI (High Density SDI) supports HDTV signals (720p), and even 1080p (dual link HD-SDI). It consists of a digital UYV made into one serial data stream.

Max signal bitrate

2970 Gbps (dual link)

Max resolution

SDI:
576 x 720 pixels (PAL)
or
480x 720 pixels (NTSC)
(60Hz, 24bit colour depth)

HD-SDI:
720x1280 pixels (HDTV)
(60Hz, 24bit colour depth)

dual link HD-SDI:
1080x1920 pixels (HDTV)
(60Hz, 24bit colour depth)

Connector physical size

Circular, diameter=14mm
75 Ohm BNC

Video format technology

YUV

Analog/Digital interface

Digital