The best sounding I2S wiring

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I was thinking along the same lines. But why does in my case wrapping balanced i2s pairs in copper tape create more noise and distortion despite the fact that some Hi End vendors sell specially made i2s HDMI cables ? I.e. in my case additional screening of balanced i2s causes distortion and degradation of sound quality but in the case of a Hi End i2s cable with special screening it does not create distortion.
It is quite possible that your copper tapes act as RF antennas and pickup even more noise than plain wires.
 
Untwist those wires and listen to what happens.
You're right 100%. Indeed untwisted wire sound is better than twisted.
In fact it was just a few months ago that I found out in my own experiments that analogue power supply wires should not be twisted whereas only digital power supply wires shoud be twisted. However in the case of power supply wires feeding oscillator and reclocking they should be untwisted as well
 
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Today I made a major discovery. I found out that my DAC produces the best sound when all 4 ground wires are connected to the digital ground from both sides. Not from one side but from both sides. This configuration noticeably increases the level of HF and I hear many more details in the sound.
Previously only one ground wire was connected to the ground from both sides and the remaining 3 ground wires only from one side and then an idea came to my mind: why not connect all the ground wires to the ground from both sides?
 
You should have your own blog for a lot of this, just imho. You could give solid, informational updates to forum threads every once in awhile, to further our collective knowledge (like most folks normally do) but keep the stuff that isn't on topic (eg stuff like the post directly above) to yourself. Just a thought and my .00002.
 
Today I made a major discovery. I found out that my DAC produces the best sound when all 4 ground wires are connected to the digital ground from both sides. Not from one side but from both sides. This configuration noticeably increases the level of HF and I hear many more details in the sound.
if you will try further by only taking care with the MCLK wire and nothing else, e.g. by shielding it?