| psg | ZX Spectrum 128 Audio |
| psion | Psion A-law Sound Data |
| psm | Protracker Studio Module |
| psy | Psycle Song |
| pt3 | Pro Tracker 3 Compilation |
| ptc | MultitrackStudio Patch Data |
| ptm | Polytracker Module |
| ptnoise | PxTone PtNoise Audio File |
| ptt | Viber Audio Push-to-talk Data |
| pttune | PxTone Audio File |
| ptvoice | PxTone PtVoice Audio File |
| puma | Pumatracker Music |
| pvc | Panasonic VM1 Voice Data |
| px1 | Production Studio Melody Sequence Data |
| pya | Microsoft PlayReady Audio |
| q1a | QSI Q1A Sound |
| qc-emod | QuadraComposer Music Module |
| qcelp | QCELP Compressed Audio |
| qcp | QCELP Compressed Audio |
| qdx | QDesign Audio |
| qmc3 | QQ Music Encrypted MP3 Audio |
| qsf | Capcom QSound Audio Data |
| 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 |
| r3p | Yamaha RS-7000 Pattern |
| ra | Real Audio Sound |
