HDMI vs. SDI for Video: What’s the Difference?
In the world of video technology, HDMI (High Definition Multimedia Interface) and SDI (Serial Digital Interface) are two popular interfaces used for transmitting audio and video signals. But what sets them apart? Let’s take a closer look. HDMI vs. SDI Feature HDMI SDI Connector Types Standard , mini , micro BNC (Bayonet Neill – Concelman) Transmission Distance 15 – 30 meters (depends on cable quality and version) Up to 100 meters or more Data Transmission Rate HDMI 2.0 : 18 Gbps HDMI 2.1 : 48 Gbps HD – SDI: 1.485 Gbps3G – SDI: 2.97 Gbps6G – SDI: 6 Gbps12G – SDI: 12 Gbps Compatibility Widely used in consumer electronics Mainly for professional broadcast and video production equipment Audio Support Multi – channel surround sound (e.g., Dolby Atmos, DTS – HD) Supports up to 16 channels, focused on professional audio requirements Cost Generally affordable, mass – produced for consumers More expensive, built for professional quality and reliabili...