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Music servers and other computer based digital audio technologies.

RE: RPi5 - the first month




This was the solution adopted after I figured the bisikek transformers were wildly overpriced.
Sowter btw has been going for decades making transformers that just work in mostly mumetal.

All the more exotic hype for nanocrystalline stuff = more hype for imaginary effects, while in the meantime people like us are CREATING the recordings you are listening to....microphones, DPA, Neumann, Gefell etc etc through a studio mixer and ADCs full of opamps.

The only worry I have in my CM4 - on a high quality swiss made board btw is RFI.
RFI from the wifi, and RFI from the 4G - LTE M.2 modem.
Both sources are switched to external antennae, something they missed on the RPI5, and another stupid thing...

The CM4 runs off car /24V or battery power because it's able to be fed with 9-28V DC.

The waveshare CM4 (power thru 5V USB-C) and Rpi5 systems can't do that - so maybe you're just listening to PSU noise?

(I happen to know that cos I have 2 waveshare boards plus the official CM4 9-28V one and a retroflag 2 GPI with Kodi + headphone output which has an onboard 4hr lithium battery and a CM4 inside.


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