It is Mac’s waveform format.

This is the Sun Microsystem audio format.

This format is used to represent electronic music produced by electronic devices.

This is an open standard technology that uses file compression to create near-CD quality audio files that are small enough to be distributed via the Web.

This format is most often used for animation and video, one can store audio alone on this file format.

It is commonly used and supported format on the Windows platform.

It offers a powerful compression technology for delivering audio and video quality at any bit rate, with features designed to provide superior quality for download and play.

It is a file extension for an audio file encoded with Advanced Audio Coding (AAC) which is a lossy compression.

This offers excellent compression and incredibly popular and widespread support for streaming audio on the Web.