The broadcast of sound preceded the broadcast of television, therefore the first public television broadcast came with sound (not like the first films which were indeed silent).
From the very beginning, remember radio?
The year 2006
The colors and the picture need to come into focus where as the sound is already in clear pitch.
Possible with a third party adaptor otherwise normally no.
Because it just does! -Rosie Crawford
next year
March 24,2006.
1907 by kanarriso loveless
Next year
1982
The 3D glasses came out in year 1991 !
Around the the 1920's, something like that.