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[Bug Report] Pulse Generator Issue with Sigmastudio+ 3.3

SigmaDSP & SigmaStudio raulsphaira Feb 3, 2026 00:00 2 replies Original on forum ↗
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raulsphaira Question
Feb 3, 2026 00:00

Hello everyone,

A couple of days ago i figured out there is a new version of Sigmastudio+, so I decided to give it a try to take a look to the new features / algorithms.

To start I programmed a blinky using a Pulse Generator, which worked completely fine.

After adding some other blocks, I started getting compiling errors due to the pulse generator, which actually should be OK, as it has been working for a while.

Additionally, if adding and removing the new blocks several times or in different ways, the error disappears.

Two files with a small difference, leading to the error are attached, so anyone could reproduce the bug (first file compiles, second doesn'T).

Could anyone check for a solution?

Thank you very much!bug_pulse_generator_1.ssprjbug_pulse_generator_2.ssprj

Audio Signal Processors

software

Sigmastudio+ 3.3

bug

Sigmastudio+3.3

SigmaDSP Audio Processors

bug report

adau1466

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Harishgowtham Reply
Feb 3, 2026 00:00

Hello raulsphaira,

As you said, the first project compiles fine but when I add a new module it doesn't compile.

I tried the second project that you attached, though it has nothing but a sine tone feeding an output, it didn't compile. It's strange but when I closed your project and opened a new project and used the same sine tone and output freshly, it compiles fine.

I can see some strange things happening with these projects, adding or removing random modules lets us compile which is undefined behavior.

I will investigate this further and get back.

Regards,

Harish

raulsphaira Reply
Feb 3, 2026 00:00

Hi Harish,
As I indicated in the title, Sigma+ 3.3.

Cheers!