NEW TECH

Audio Lab

Browser-native audio utilities for creators — local-first, fast, and built for workflow.

Pro tips

Visualizer: upload a bounce and screen-record the canvas for lyric video backgrounds.
BPM Tap: tap the kick/snare pattern for the cleanest tempo.
Pitch: hold one note for 1–2 seconds, close to the mic.
Voice: speak bars → edit into verses.

Audio Visualizer

Mode

Upload an audio file and hit play. The canvas reacts in real-time (works offline after first load).

No file loaded.

Quick utilities

Detected loudness

—

Peak

—

Use RMS/peak as a sanity check when comparing bounces.

Hotkeys

Space play/pause

S snapshot PNG

BPM Tapper

Tap to the beat (keyboard T also works). We average the last 8 intervals for stability.

Estimated BPM

—

Tip: if it’s bouncing between two values, tap for 5–10 seconds longer.

Metronome

BPM 120 Beats Accent 1

Beat

—

Status

STOP

Uses WebAudio scheduling for tight clicks (best on headphones).

Pitch Finder

Find the note you’re singing/playing. Great for quick harmony checks, adlibs, and toplines.

Detected note

—

Frequency

—

If you get “—”, sing a steadier tone or move closer to the mic.

Voice → Text

Uses your browser’s Speech Recognition (when supported). Speak bars, hooks, or punchlines — then refine.

Privacy

Audio Lab runs in your browser. Mic access is only used if you enable it for Pitch Finder. Transcription uses your browser’s built-in speech engine (availability varies).