Hi Stuart, Thanks for the pointers.
On Tue, Jul 2, 2013 at 1:37 PM, Stuart Longland (VK4MSL) <[email protected]>wrote: > > In your application, you'd basically be looking at the AFSK modulator, > and feeding in your own bit stream from there. Implementing a full > packet modem with AX.25 would be massive overkill, but the lower level > mechanics are there for what you're after. > Yes, the sending end can indeed be very simple. If there is a transmission error, the phone application can simply ask the user to try again. One twist in my application is that I want to produce actual sound, not feed the signal into a microphone jack, but it won't probably make much difference. -- Pertti
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