(2016-04-07, 02:58 PM)affinite Wrote:

(2016-04-07, 12:18 PM)snowboarder Wrote:

(2016-04-07, 10:14 AM)affinite Wrote: For the benefit of others I solved my noisy Pi audio output using a cheap (£5) Ground Loop Isolator from eBay.
It connects between the Pi audio jack and my amplifier.See photo attached.

I can now crank up the volume and warn all my neighbours that my "Coolant temperature is high" without hiss and crackling the audio.

Bye the way - yes I do plan to tidy up the cabling.

is it possible to share your audio files 

Happy to oblige. They are a bit "Mechanical" but are the best I could do.
Also happy to create any more that you might need (In English)