| ppcx | Adobe Presenter Audio |
| prlglib | Korg Prologue Sound Bank Data |
| prlgunit | Korg Prologue Unit |
| pru2 | Prorunner 2.0 Music |
| psf | PlayStation 2 Sound Format Audio |
| psf2 | PlayStation 2 Sound Format Audio |
| psflib | Portable Sound Format Library |
| psflib2 | Portable Sound Format Library |
| psg | ZX Spectrum 128 Audio |
| psy | Psycle Song |
| pt3 | Pro Tracker 3 Compilation |
| ptm | Polytracker Module |
| ptnoise | PxTone PtNoise Audio File |
| pttune | PxTone Audio File |
| ptvoice | PxTone PtVoice Audio File |
| puma | Pumatracker Music |
| pvc | Panasonic VM1 Voice Data |
| pya | Microsoft PlayReady Audio |
| q1a | QSI Q1A Sound |
| qcelp | QCELP Compressed Audio |
| qcp | QCELP Compressed Audio |
| qdx | QDesign Audio |
| qmc3 | QQ Music Encrypted MP3 Audio |
| r1m | RealOne Streaming Media Metadata |
| r2a | Yamaha RS-7000 Archive |
| r2p | Yamaha RS-7000 Pattern |
| r2s | Yamaha RS-7000 Song |
| r36 | Recomposer MIDI Sequence |
| r3a | Yamaha RS-7000 Sample |
| ra | Real Audio Sound |
