![]() ![]() avi, wmv, mp4, mov), each of which can make use of different codecs. To compound the villainy, media is now encoded in many different containers (e.g. When PowerPoint comes across a media file in a presentation, it uses Windows Media Player to attempt to play it, and if the codecs don’t match up, it can’t decode the data and the clip won’t play. Hair-pulling/beard-scratching occurs when the codecs used to create or convert a movie file on one PC are not installed on the target PC. Essentially, codecs encode and translate your media to make it suitable for storage and playback – and there is an assortment of different ones. This is an issue we’ve come across many times over the years, and it can be very tricky and time-consuming to troubleshoot, so we’ve developed a little tool that can be used to identify the most appropriate video format to use when embedding videos in a presentation that’s going to be used by someone else.Īt the heart of all the trouble is a little thing called a ‘codec’ (or coder-decoder, or compressor-decompressor). ‘Codec unavailable’ tells you what doesn’t work, but it doesn’t tell you what does. And how frustrating when you bundle up your nicely self-contained multimedia presentation and someone else reports that the videos don’t play on their PC. ![]() ![]() How marvellous that the recent versions of Office automatically embed videos into PowerPoint instead of linking them. ![]()
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January 2023
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