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Miscellaneous click and pops with delay block

Category: Software
Product Number: SigmaDSp
Software Version: 4.6

I have been tyring to implement a simple chorus effect on the ADAU1701 using a voltage-controlled fractional delay, and a couple of sinusoidal oscillators.

When I download and run the attached SigmaDSP program, the ADAU1701 outputs click and pops even with no signal present. These can actually be seen using the real-time display, as shown in the screen grab.

I don't understand the source of the problem, but I do know that when the oscillators are turned off, the clicks and pops stop.

I would love help from anyone who could explain what I'm doing wrong.



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