NSV (Nullsoft Streaming Video) is an audiovisual container format for streaming video data online. It was created in 2003 by Justin Frankel, while he was still working for Nullsoft. NSV only supports VP3 video codes and MP3 audio, although it was initially designed to stream all audio and video codecs. It is, in fact, the first format to allow users to make and stream live/recorded videos over the internet.
DivX is a video codec brand developed by DivX, LLC. This video codec is mainly compatible with Windows programs, although it can also be embedded on game consoles, alar clocks, car stereo, and more. Today, there are three primary DivX codecs, including MPEG-4 Part 2, HEVC Ultra HD, and H.264/MPEG-4 AVC DivX Plus High Definition video codec.
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