A

ARPU

Average Revenue Per Unit, or Average Revenue Per User.

ASI

Asynchronous Serial Interface.

ASIC

Application Specific Integrated Circuit.

ATSC

Advanced Television Systems Committee.

ATSC 3.0, also known as NextGen TV, is an IP based DTV transmission standard, supporting, amongst other features, HDR, UHD resolution, enhanced audio, better signal reception and digital technologies for emergency (national) alerts and targeted interactive advertising.

AV1

AOMedia Video 1 codec.

AVCHD

Advanced Video Codec High Definition.

AVI

Audio Video Interleave. 

AVOD

Advertising (based) Video On Demand.

AWS

Amazon Web Services.