Building Phi — The First App
LOG · Phi · 09 JUN 2026 · 3 min
The idea behind Phi is simple: your voice, without the noise.
Most recording apps treat noise removal as an afterthought — a slider somewhere in settings. Phi is built around it. The entire interface exists to serve that one outcome.
This is a log of how it's being built.
Week 1 — The Pipeline
The core technical problem is latency. Noise removal models are computationally expensive. Running one synchronously means the user waits. The solution is a two-pass system...