How Is Sound Added To Motion Pictures ?

 

'How Is Sound Added To Motion Pictures ?'

How Is Sound Added To Motion Pictures ?
This informative film from 1929 tells how sound was added to movies , which did away with the silent film era.
It provides an interesting view on how technical things were explained - simply.

More ham and shortwave radio videos by gregW:-) OH2FFY at - 'HamAndShortwaveRadio'.



https://youtu.be/3IOMCyK8kH4
.