A standardized format intended for compact discs. It features an amplitude resolution of 16 bits and a sampling frequency of 44100 Hz. This format emerged back in 1980. It is utilized for storing data on personal computers and CDs. A CS Digital Audio File stores the audio data in the AIFF format. You can see such files if you extract the audio files from a compact disc. This operation can be performed using Apple iTunes.

mp4

The format within the MPEG-4 Part 14 standard

Created in 1988, it was intended for video files. A file of this format contains video and audio information, images and subtitles. When compressed, the files do not lose quality. The format includes various types of multimedia content: videos, animations, audio, 2D and 3D graphics. Files of this format can be used and viewed on the Internet. In this case, a metadata transfer takes place. The full name of the format is MPEG-4 Part 14.