I do a fair bit of digital recording. Ticks and pops are usually a
sign that the DSP engine is not processing samples fast enough,
usually because of latency in the operating system. I would expect
this to be a less-likely problem with dedicated DSP where the
designer knows ahead of time how he/she wants to spend the CPU cycles
to ensure that the CPU is never saturated. I do not for a moment
believe that this is a problem inherent in the use of DSP in the IF/
demod stages.
73 de Brian, WB6RQN
Brian Lloyd - brian HYPHEN wb6rqn AT lloyd DOT com
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