Do I still need a DDC in between?


This is my current rig:

Wiim Ultra (DH Labs Mirage / Cardas Clear USB, 0.5m) → Gustard U18 (DH Labs HDMI 2.1, 0.5m) → Harmony μDAC (Mogami quad XLR) → Parasound A23 (Belden 5T00UP) → Wharfedale Linton

The sound is very good to my ears—excellent tonality, detail, and especially soundstage, with impressive height and depth. However, I’m considering trying the Volumio Rivo Plus released recently, which offers an I²S-over-HDMI connection.

My question is: would I still need the DDC (i.e., Gustard U18) in between, or would a direct I²S connection from the Rivo+ to the Harmony μDAC deliver comparable or even better sound quality? Have you had any direct or similar experience with this kind of setup? Any advice would be appreciated.

lanx0003

@lanx0003 I don't know what you're problem is, yes, I'm agreeing with you, the ddc clock bypasses the dac local clock, I've only said the same thing time after time! Perhaps I've called it internal I2S clock, local clock, master clock, its all the same thing. You really need to gain some reading comprehension skills, I'm done with this silliness.

@sns I was simply helping to clarify the confusion @audphile1 has with the confirmation from the manufacturer.  All right?  Cool.

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@audphile1  Thanks for suggesting I change out my Ethernet cable — it made a significant improvement.

@mattw73  While waiting for the LanShack cable (S/FTP) to arrive, I also grabbed a UGreen Cat 8 (F/FTP) cable from Amazon for just six bucks. Upgrading my existing Cat 5e (U/UTP) to UGreen Cat 8 resulted in a significant improvement in sound clarity and a darker background. It also helped eliminate some digital glare. I believe this is largely due to the double shielding feature of Cat 8.  The degree of improvement is comparable to what I experienced with HDMI cable upgrade from AG to DH Labs.

The UGreen cable is made of 26 AWG stranded copper, while the LanShack uses 23 AWG solid copper, which I hope will yield additional sonic benefits. I believe in larger conductor and solid copper over stranded.  Thank you for the recommendation.