View Single Post
  #15  
Old 06-04-2021, 04:41 PM
ChrisW6ATV's Avatar
ChrisW6ATV ChrisW6ATV is offline
Another CT-100 lives!
 
Join Date: Feb 2007
Location: Hayward, Cal. USA
Posts: 3,536
Quote:
Originally Posted by kfbkfb View Post
IIRC, in 1978, TV sound distribution (USA) was upgraded.
Quote:
Originally Posted by old_tv_nut View Post
Can you explain a bit more what the upgrade was and what instruments you think were affected?
If I remember discussions of TV sound distribution at that time (I was a teenager just getting my first VCR soon afterward), most or all network TV audio was distributed on two voice-grade AT&T lines, being processed at both ends so that the second line carried the converted higher frequency content. When recombined/converted at the receiving end, the result was sound up to 8 kHz roughly.

I first noticed the potential for improvement when I had the line-level audio from my Sony SL-7200 VCR connected to my stereo system in late 1979. The sound from local station WGN (Channel 9 in Chicago) was quite good, and far better than any of the network stations had.

Is a change away from the voice-grade lines what you are referring to as the "post-1978 upgrade"?
__________________
Chris

Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did."
Reply With Quote
Audiokarma