How do DDCs improve audio? (Denafrips Hermes, Pi2AES, Schiit Eitr, ifi Igalvanic)

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(All links are un-affiliated)
Ropieee: https://ropieee.org/
Denafrips Hermes: https://www.vinshineaudio.com/product...
Pi2AES: https://www.pi2design.com/pi2aes.html
ifi iGalvanic: https://ifi-audio.com/products/nano-i...
Schiit Eitr: https://www.hifishark.com/search?q=sc...
SMS200 Ultra: https://www.sotm-audio.com/sotmwp/eng...

00:00 - Intro
00:55 - Devices included in video
01:48 - Data Integrity
02:30 - Electrical Noise
03:30 - Evidence of performance impact due to noise
05:30 - Jitter / Timing of data
07:28 - How can a DDC improve jitter performance?
08:28 - I2S
09:18 - Measurements of DDCs
11:42 - Measurements of I2S vs SPDIF
12:25 - Denafrips Hermes vs Pi2AES
16:38 - How audible is Jitter?
18:05 - Bad SPDIF inputs, and PLLs
19:53 - Patron thank yous

Further reading on jitter/DDCs:

https://www.aes.org/e-lib/browse.cfm?...

https://headfonics.com/what-is-jitter....

https://ifi-audio.com/wp-content/uplo...

https://www.stereophile.com/reference....

https://www.stereophile.com/content/c...

https://benchmarkmedia.com/blogs/appl...