s, halfbit = self.startsample[rxtx], self.bit_width / 2.0
self.put(s - floor(halfbit), self.samplenum + ceil(halfbit), self.out_binary, data)
s, halfbit = self.startsample[rxtx], self.bit_width / 2.0
self.put(s - floor(halfbit), self.samplenum + ceil(halfbit), self.out_binary, data)