• 3gp (3rd Generation Partnership Project)
• aac (Advanced Audio Coding)
• flac (Free Lossless Audio Codec)
• m4a (Apple Lossless Audio Codec)
• mp3 (MPEG-1 Audio Layer III)
• mp4 Audio (MPEG-4 Part 3, AAC)
• oga / ogg (Xiph.Org Foundation)
• opus (Opius Audio format)
• wav (Waveform Audio File Format)
• webm Audio (Free Audio format)
• wma (Windows Media Audio)

All audio files are converted into the format MP3 with the extension mp3.