Hello Bruce, Peter Martinez suggested making the frame period the same as the PSK symbol period. For example the 1500 bit/s mode would have 60 carriers at 25 bit/s (40 ms symbol period). The advantage of this mode is no frame sync overhead is reqd.
Cheers, David On Thu, 2012-02-16 at 13:53 -0800, Bruce Perens wrote: > David, > > What would you do for frame synchronization? I think we can count on > accurate timing. > > Thanks > > Bruce > > On 02/16/2012 12:39 PM, David Rowe wrote: > > I have been working on some link budget calculations which indicate that > > Codec 2 @ 1200 bit/s with a 1% BER requires a SNR of around 1dB(measured in > > a 2400Hz SSB bandwidth). This indicates it will sound significantly better > > than SSB for the same tx power and channel, although it's hard to make a > > direct comparison. > > ------------------------------------------------------------------------------ > Virtualization & Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
