Quote:
Originally Posted by nodrogd
It was tested by the IBA in the early 1990s (an ex school friend/work colleague who worked for the IBA was involved in the Foxhall Heath C-QUAM tests) & was successful. However, as with most new technology it was expensive kit & with better quality available on FM, plus the release of more frequencies in the upper sub-band up to 108Mhz it never took off.
An explanation of how the system worked went out in the IBA weekly “digest” for the TV & Radio trade at the time, a copy of which is on YouTube:
https://www.youtube.com/watch?v=Tg3X6dVAYBs |
Out of curiosity I went looking for a demo of what AM stereo sounded like. I was amazed at how much of an improvement there was over AM mono.