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gzweigle / open-hybrid-piano

Building a hybrid MIDI digital piano
https://www.youtube.com/@gzpiano88
GNU General Public License v3.0
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HW/DOC: cable crosstalk #89

Open davidedelvento opened 2 months ago

davidedelvento commented 2 months ago

At https://github.com/stem-piano/stem-piano-g-main/blob/main/documentation/component_manual.md#hps-to-ips-connecting-wires you mention the crosstalk across different channels due to use of ribbon cables. I would like to reproduce the problem and test mitigation strategies such as using the twisted cables (which I think I mentioned to you earlier) and others.

To ease my work and help making an apple-to-apple comparison, can you please share the procedure you used to measure this crosstalk (e.g. playing one key and looking at the signal from a nearby channel while everything was on the piano rather than on the table)? If you still have it around, can you please also share the data, so I can check if in my different (as you know) setup I can reproduce a comparable baseline before I try to improve on it?

TIA!

gzweigle commented 1 month ago

... if only I could remember :)