BBC Micro `ENVELOPE` editor

Edit, visualise, and audition ENVELOPE parameters for the BBC Micro SOUND command.

Envelope `N`=

Pitch envelope

Amplitude envelope

Sound parameters

Visualisation

Hold

Presets

By Kieran Connell and Claude. Thanks to Toby Lobster's MOS disassembly, the authoritative reference used to nail down the BBC's pitch and envelope timing.