At 08:39 AM 03/15/07, you wrote: >Hi Mike, > > >I'd like to see a controller that has enough in it that all you need >to interface > >to is discriminator audio and modulator audio. On the receive side it >could > >have a Micor-type squelch and a de-emphasis network built with 1% >parts. > >On the transmit side it has pre-emphasis and feeds the modulator >directly. > >So that's one vote for running pre-emphasized audio throughout the >controller. > >To do that, all receivers must provide discriminator audio, and the >controller's internal tone generation and digital audio playback must >have pre-emphasis. The DTMF decoders must have de-emphasis. Any >autopatch would need de-emphasis on the outgoing audio and pre-emphasis >on the incoming audio. Am I missing anything? > >73, >Bob
Replied off-list. Mike
