32-bit Float
Definition
A floating-point bit depth that offers an effectively unlimited dynamic range within the digital domain. Files recorded in 32-bit float cannot clip internally, regardless of input level. Also the standard internal processing format of virtually all modern DAWs — audio is processed at 32-bit float internally to prevent cumulative clipping across plugin chains and summing operations, even when the session's recording format is 24-bit.
In Simple Terms
A recording format that basically can't clip no matter how loud the input is. Great for field recording or live capture where you can't control the volume. Your DAW is already using it internally for all its math — that's why you can push a fader past 0 dB inside a mix and not hear distortion until the master bus.
In Practice
Field recorders using 32-bit float allow audio professionals to record loud live events without setting gain, recovering both quiet ambience and loud transients in post.
Common Confusion
32-bit float does not mean better audio quality at the listener end — it means maximum flexibility during production and post-production. Also, 32-bit float prevents clipping in the digital domain only. If the analog input stage of your microphone preamp or audio interface clips before the A/D converter, that distortion is captured permanently regardless of bit depth.