dominicbeesley wrote:I'm trying to make the delay line (2.5ms) with a speaker and a microphone. Unfortunately the microphones and speakers I have aren't really good enough so I'll need to find something that works well at around 15kHz....
Klaas Robers wrote:The strange thing is that in France all TV production was done in PAL. Also the distribution of the progams (micro wave links over the country) was done in PAL. In the TV transmitter was a conversion circuit that converterd the PAL signal into SECAM, just before the modulator.
So in reality France had a PAL system with a very small piece of SECAM in between.
Users browsing this forum: No registered users and 5 guests