Waveform Audio File Format ( WAVE or more commonly known as WAV due to its file extention name) is used for storage audio bitstreams on PCs. It is the main format used on Windows system for raw and typically uncompressed audio. WAV audio can also be edited and manipulated with relative ease using software.
Joint photographic experts group JPG is the most commonly used format for photos. Jpg typically achieves 10;1 compression with little perceptible loss in image quality.
Audio Video Interleave is a multimedia container format by Microsoft as part of its video for windows technology. AVI files can contain both audio and video data in a file container that allows synchronous audio with video play back.
All 3 of the above information was researched from wikipeadia.org.