Adding sound to stills is one of those aggregative improvements that makes you face-palm yourself and wonder why it took somebody so long to doitjust this way.
And, just as the early days of computing were born in the garages of Silicon Valley do-it-yourself-ers, data science is likely to develop first in an ad-hoc, hands-on way.
The road test: Before you can post a question, you must complete a short tutorial on how to doit properly, meaning that the questions and answers are of use to a wider audience than justyourself.