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2026.01.13 dac ddc: Deep Abyss Audio (14) - MC Profiles and Demo: ProAudio‑Spec PopoDAC (USB DAC) DIY

Hello everyone.We’ve finally reached Part 14 — the final chapter of the PopoDAC ...

2026.01.09 dac ddc: Deep Abyss Audio (13) — Core’4 Timeline Dynamics Processor (TDP Phase) PopoDAC(ProAudio‑Spec USB DAC) DIY

Hello everyone. It’s freezing today…But the wait is finally over.Today we enter ...

2026.01.07 dac ddc: Deep Abyss Audio (12) - Core’3 Guidance & Navigation Control PopoDAC(ProAudio‑Spec USB DAC) DIY

Hello again. Episode 12 marks the beginning of Core’3 — the Guidance & Navig...

2026.01.05 dac ddc: Deep Abyss Audio (11) Core’2 — Telemetry Downlink Receiver (TDR Phase) Pro-Audio Specification USB DAC (DIY / ESP32‑S3)

Good evening.In Episode 11, we finally enter the explanation of PopoDAC Core’2 —...

2026.01.04 dac ddc: Deep Abyss Audio (10) Core’1 – Mission Command Layer Pro‑Audio Spec PopoDAC (USB DAC) DIY Series

Good evening.This is the 10th installment, and from here on we finally step into...

2026.01.03 dac ddc: Deep Abyss Audio(9) The Answer to UAC: Why PopoDAC Chooses UAC1.0 Feedback

Hello again.This is Episode 9.Last time I said “next episode will finally reach ...

2026.01.02 dac ddc: Deep Abyss Audio (8) CCC Core: Pro‑Audio Spec PopoDAC (USB DAC) DIY

Hello again. Welcome to Episode 8 — the long‑awaited chapter on the DDC Central ...

2026.01.01 dac ddc: Deep Abyss Audio (7) PopoDAC DIY — DDC Design Philosophy

Happy New Year.Right at the beginning of 2026, we have finally arrived at Episod...

2025.12.31 dac ddc: Deep Abyss Audio (6) Building the DDC Buffer: DIY Pro‑Audio PopoDAC (USB DAC)

Hello.This is Episode 6, where we build the DDC buffer.Up to the previous episod...

2025.12.30 dac ddc: Deep Abyss Audio (5) Mounting the UAC Engine: Building a Pro‑Audio‑Grade USB DAC with the ESP32‑S3 Core

Hello again.Welcome to Episode 5.Today we’re finally installing the USB (UAC) en...