What is a Codec? | Intro to Codecs, Formats & Bitrate

What is a codec exactly? When you're a filmmaker, you deal with codecs, format types (containers) and bitrates ALL THE TIME. Especially in post production. So what is a codec exactly? And why are there so many? This lesson is an intro that will help clear the fog about codecs and formats. #whatisacodec #onlinefilmschool #blackmagicbraw