Size limits for WAV and AIFF files
From Audacity Development Manual
Revision as of 17:30, 23 April 2019 by PeterSampson (talk | contribs) (These timings are the theoretical maximum times. You would be well-advised to restrict yourself to slightly lower limits to afford some head-room.)
Linked This page is linked to in the Audacity app from the 
help button in the error dialog when attempting to create a WAV file bigger than 4GB.
help button in the error dialog when attempting to create a WAV file bigger than 4GB.
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Peter 21Apr19: This table is replicated on Export Formats supported by Audacity.
WAV files are limited to a maximum size of 4GB, see the following table for how this translates to time durations
Aproximate maximum time durations for WAV files
Maximum sizes of WAV files in time duration (hours:minutes) Sample Format Stereo Mono 16-bit PCM (default) 6h:45m 13h:31m 24-bit PCM 4h:30m 9h:01m 32-bit float PCM 3h:22m 6h:45m
These timings are the theoretical maximum times. You would be well-advised to restrict yourself to slightly lower limits to afford some head-room.
Peter 23Apr19: Table based on 4GB = 4,294,967,296 bytes - see talk page for alternatives
