Uploaded April 2026 | Updated September 2026, 2 weeks ago

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I unpack and hopefully explain in simple language what digital audio is and how oversamplers like PGGB and HQP fit into the listening of audio. Stay tuned for reviews of HQPlayer and Pan Galactic Gargle Blaster in the near future.

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HQP: signalyst.com
PGGB: remastero.com/pggb-plus.html

Timestamps...

00:00 Intro
02:25 Shameless Self Promotion
02:58 What is digital audio?
07:52 Main parts of a DAC
16:38 What is OS and why do we need it?
23:33 Enter HQP/PGGB
25:24 Why HPQ/PGGB?