self.sync_reflen_min = math.floor(self.samplerate * 64 / self.HSI_max)
self.sync_reflen_max = math.ceil(self.samplerate * 128 / (self.HSI_min / 2))
self.sync_reflen_min = math.floor(self.samplerate * 64 / self.HSI_max)
self.sync_reflen_max = math.ceil(self.samplerate * 128 / (self.HSI_min / 2))