The AVMatrix SC7030 - Multi-Signal to SDI / HDMI Cross Converter is a "Swiss Army Knife" for on-the-fly video format conversion.  It supports a plethotra of input types -  SDI/HDMI/DVI-I/VGA/CVBS/S-video/YPbPr

 - you supply the input video to the device, then you set the conversion rate / resolution / frequency via either as et of DIP switches or through the associated software, and it will convert for you - upscaling or downscaling as you require

Further, it has the benefit of analog audio de-embedding, meaning that you can bring out the specific audio and use it in any other application (extracting podcast audio from a live feed, for example). The main feature set is as below:-

• SDI/HDMI/DVI-I/VGA/CVBS/S-video/YPbPr inputs

• SDI out ports ×2, HDMI out ports ×1

• Up/down scaling and frame rate conversion

• Supports up to 1080p60 resolution

• 4:3/16:9 aspect ratio conversion

• Analog audio embedding

• Video & power signal LED indicators

• Threaded locking DC 12V or USB-C 5V power - for security of the power input

• Controllable easily via the onboard DIP switches or supplied PC software

• Detachable bracket for mounting is optional