| AUDIO FORMAT GUIDE |
|---|
| AAC | Advanced Audio Coding | Lossy digital audio compression format chosen by Apple as its main format for their iPods, iPhones and iTunes software. |
| AMR | Adaptive Multi-Rate | Lossy digital audio compression format optimized for speech coding. Mainly used in mobile phones. |
| MMF | YAMAHA SMAF Music File | Event-driven music format by Yamaha to be used in their chips, mainly present on mobile phones and PDAs. |
| MP3 | MPEG-1 Audio Layer III | Lossy digital audio compression format by the Moving Picture Experts Group (MPEG) Widely used in audio files. |
| OGG/Vorbis | Vorbis Audio File | Lossy digital audio compression format project led by the Xiph.org Foundation. Main free replacement for MP3 or AAC. |
| OTT | Nokia Phone Ring Tone | Event-driven music format by Nokia to be used in their phone ringtones. |
| SMF/MID | MIDI | Music device comunication protocol. MIDI files store event-driven music using this protocol. |
| SPF | YAMAHA SMAF/Phrase | Event-driven music format by Yamaha to be used in their chips, mainly present on mobile phones and PDAs. |
| WAV | Waveform Audio File Format | Digital audio format by Microsoft and IBM mostly used to store uncompressed audio data. Widely used everywhere. |
