DriftEngine

Audio · const

MASTER_OPEN_HZ

Where the master low-pass stands until somebody moves it: open, at the top of its range.

Explained in Your first game.

const MASTER_OPEN_HZ = 20000
import { MASTER_OPEN_HZ } from '@driftengine/audio';

In depth

It stood at cutoffForSpeed(0, 1) — 320 Hz — until 2026-09-19, so every mix was heard through a wall until its caller drove the speed curve above: one game's "the filter opens as you sprint" standing in as every consumer's default. A game that wants its world muffled at rest says so with setCutoff(cutoffForSpeed(0, max)), and one that never thought about it hears its mix.