Flint supports import and soft-import of the following audio file formats.
Files of any sample rate can be imported, but they are all resampled to 48 kHz.
| File Format | Default Extension | Bit Depth |
|---|---|---|
| AIFF-C | aifc | 16, 24, or 32 (float) |
| AIFF | aiff | 16 or 24 |
| Nextsnd | au | 16, 24, or 32 (float) |
| MP3 | mp3 | 16 |
| WAVE | wav | 16, 24, or 32 (float) |
| Broadcast Wave | wav | 16, 24, or 32 (float) |
| Berkeley/IRCAM/CARL Sound (BISCF) | bsf | 16 |
| Audio Visual Research | avr | 16 |