How do I write a modem for DireWolf?

I was looking at the selection of modem bauds for DireWolf and it seems the highest baud modem is 9600 baud, and I am using a sound card that can reach 48 khz. Is there any way that I can write a modem for DireWolf to utilize the 48 khz capabilities of the sound card?

You can, of course, attempt to write your own modem that performs better; I can't provide much advice on how to do it, except... do it. Look at demod_afsk.c (300 and 1200), demod_psk.c (2400 and 4800), and demod_9600.c (9600+), make your own with a corresponding set of public functions, wire it into demod.c and config.c, and give it a try. The included gen_packets and atest utilities will be helpful for testing.
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