DSPRelated.com

jon lundlee (@jon_l)


Re: Help with PDM filter, please and thanks

Reply posted 8 months ago (10/09/2023)
Yes exactly, that was a question in my mind for a while. There did not seem to be a lot of resources online around this, but I did find a few posts where people...

Re: Help with PDM filter, please and thanks

Reply posted 8 months ago (10/09/2023)
These were great questions and points. I very much appreciate you taking the time to address my post. I was able to take a step back and analyze the python code...

Re: Help with PDM filter, please and thanks

Reply posted 8 months ago (10/09/2023)
Exactly. I was able to break this down a bit more, comparing each individual peice of the CIC in python to that in C to figure out where the problem was coming...

Re: Help with PDM filter, please and thanks

Reply posted 8 months ago (10/04/2023)
Yes, I am constrained, but it's because I cannot choose the sensor to use. Switching to another accelerometer does not help since it's an issue with interfacing...

Re: Help with PDM filter, please and thanks

Reply posted 8 months ago (10/04/2023)
Hey Jeff,I've also found numerous articles around PDM to PCM conversion. This is probably due to PDM being a common signal with MEMs microphones... Anyways, I was...

Re: Help with PDM filter, please and thanks

Reply posted 8 months ago (10/04/2023)
This is great, so glad to hear that I might be on a decent path. I implemented my filter in C, using 32 bits for each integrator/comb, and still not seeing the results...

Help with PDM filter, please and thanks

New thread started 8 months ago
It's been some time since I've had anything to do with DSP. With that said, I have a project requiring this skill set here and need help. I kept returning to this...

Use this form to contact jon_l

Before you can contact a member of the *Related Sites:

  • You must be logged in (register here)
  • You must confirm you email address