Audio Lab

How sound is drawn, set and heard, tried live. Every figure is computed in the page from the sound's samples.

• How do you set words under a waveform?Speech clusters from pauses, spaces bent by least squares, lines broken in pauses, one selection for words and bars
• Drawing a waveformEvery Nth sample, lowest and highest, RMS, brightness by level, true peaks, decibels, colour, stereo
• Seeing soundFrames, windows, frequency axes, colour maps, reassignment, many resolutions, multitapers, Wigner–Ville
• Hearing a momentTape, loops, grains, noiscillators, random phase, phase vocoders: what a held caret plays, and what it costs