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Vance IngallsandClaude Opus 5
8e0f63d21b
Three parameters were declared with ranges, defaults and hints, and read by no builder — dials an author could turn with no audible result. - `chorus.decay` and `bitcrush.aa`: removed. FFmpeg's chorus feeds a decay back into its delay line and a bitcrusher's anti-alias needs a real filter; adding either is new DSP, not a fix, so the honest move is to stop advertising them. - `lowshelf.q` / `highshelf.q`: removed. The Web Audio spec leaves Q unused for shelving filters, so the control moved nothing — and because the shared Q helper marks it automatable, an author could draw an envelope on it and hear nothing at all. `phaser.decay` and `gate.knee` stay: the first drives the sweep depth, and the second is now read by the gate's processor. A test asserts each of these directly, since the existing exposure invariant only checks that a flagged parameter reaches an AudioParam — a parameter the node then ignores passes it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>