If you are running it in a professional studio, however, you are probably using SDI, Serial Digital Interface. [Chris Brown] looks at SDI and shows a cheap SDI signal generator for an Arduino.

The UHD Serial Digital Interface (UHD-SDI), is widely used in broadcast applications for the transport of uncompressed digital video streams up to 4K resolutions over coax cable. The LogiCORE™ IP UHD- ...

Block Diagram of the Tri-Rate Serial Digital Interface (SDI) Physical Layer (PHY) ...

A data channel that transfers digital data in a serial fashion: one bit after the other over one wire or fiber. Serial interfaces may have multiple lines, but only one line is used for data.

Rather than using the SerialChiller as a simple serial to WiFi bridge, [Lasse] is actually implementing a complete web-based interface directly on the microcontroller. In the video after the break ...