Audio Developing eLearning iPhone PPT 
ProProfs
JULY 10, 2017
In regard to the eLearning space, ‘personalizaion’ focuses on – The environment (how the content appears in front of the learner – font sizes, colors, backgrounds, themes etc). The content (audio, video, textual, graphical etc). Similarly, some learn faster by watching a video, many prefer a PDF file or a PPT.
TalentLMS
AUGUST 31, 2016
Just the first 2 would get you pretty far, audience reach-wise, but factor in the different devices (the myriad Android phones, various iPhones, the iPad, etc.) Audio: Use the MP3 file format. Use 128kbps audio quality (if it’s speech, e.g. a lecture, you can go even lower). That would be iOS, Android, and Windows Phone.
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