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Problems with DC Blocker for ADAU1452 in SigmaStudio 3.10.4

SigmaDSP & SigmaStudio Robin May 21, 2014 00:00 2 replies Original on forum ↗
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Robin Question
May 21, 2014 00:00

Hi there,

obviously there's a problem with the DC Blocking Filter for the ADAU1452 in the latest revision 3.10.4.

If I only use one single DC Blocking filter for one channel in a project, everything's fine.

As soon as I add an algorithm to the existing DC Blocker or use a second DC Blocker somewhere else I get an error message when compiling the project:

"Variable 'sig_in_zm1' is already defined in this scope, previous definition at line 628 (650,0)"

This only seem to affect the ADAU1452 - I tried it in combination with ADAU1701 and ADAU144x and here's no problem at all.

Can you check this?

Regards,

Robin

Audio Signal Processors

adau1452

SigmaDSP Audio Processors

adau1701

KJBob Reply
May 21, 2014 00:00

Hello Robin,

I duplicated your result, so it's a confirmed bug for the ADI software team.

Bob

ADIApproved Reply
May 22, 2014 00:00

Hi Robin,

Thanks for your report. We will fix this in the next SigmaStudio release. Sorry for any inconvenience.

Regards,

John