IS>>> Payback for the ITU-T not ratifying their V.fc as V.34?  :)
 >> Probably. Interesting to note that Rockwell's V.34 only supports 16
 >> state trellis coding, yet their V.FC uses 32 state trellis coding.

 HM> Supra336 does "64-4D"; isn't that 64 state?

Yes, it is.

Would this mean that implementing 64S trellis is up to the different modem companies?

Or a newer DSP from Rockwell?

Regards,
Frank

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