There are a variety of formats, like Waveform Audio File Format (WAV), MP3, Audio Interchange File Format (AIFF), Windows Media Audio (WMA), etc. To know which format is set for your recordings, you should understand two terms: sampling rate and bit rate. Sampling rate represents the sound frequency range. This means that the higher the sampling rate, the greater is the audio quality and ensures greater precision in your high notes and low notes. Similarly, the higher the bit rate (also called bit depth), the better the audio quality. » learn more