OverflowError when HD-EEG data streamed to SigVisualizer about app-sigvisualizer

[Yida-Lin]

Hi @iPsych , I currently do not have a physical amplifier here so I could not reproduce this issue. Do you have an XDF file recording that came from that amp, that I can use to simulate on my end?

[mvidaldp]

I had the same problem. After debugging for a while I realized it lies on a downsampling error:

A quick fix is to change this line:

App-SigVisualizer/paintwidget.py

Line 58 in aa754e6

stream_params['downSampling'] = srate > 1000

Setting downSampling to False up to 1024 instead of 1000 Hz, since it's a common sampling rate in EEG recordings. Thus if your stream sampling rate is below 1000 it will work without this hack.

@Yida-Lin, @iPsych, please could you fix this?

I'm quite sure it's the same error referenced on the other OverFlow issue:
#18

[Yida-Lin]

Hi @mvidaldp thank you for your suggestion; sounds good, I created a PR #21 and could you please help verify whether it solves the problem? Thanks!