On Thu, Dec 4, 2008 at 12:11 PM, Jérémy Skelton <[EMAIL PROTECTED]> wrote:

> To problem is that I'm not able to recover the original data but only the
> repetitions of it : I repeat several times two bytes in the input file and I
> get several two other bytes at the output.

It looks like you have the endianess wrong.  The DBPSK modulator works
MSB to LSB on the incoming bytes, while your demodulator is packing
the bits back into bytes LSB to MSB.

-Johnathan


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