Glossary
MP3 MP3 is a file format which stores audio files on a computer in such a way that the file size is small, but the sound quality near normal audio CD. MP3 files usually have the extension .mp3.
There are many free MP3 songs which can be downloaded from Internet, and you can make your own MP3 files from your audio CD for personal use only. Please note that it is illegal to encode MP3 from a CD or LP and trade or sale them without permission of the copyright holder.
MIDI - Musical Instrument Digital Interface. A standard for synthesized electronic music. Most computer sound cards can play '.mid' files. Typically .mid files are very small compared to other types of sound files since they do not contain any encoded sound information, but rather contain instructions to the sound card on how to synthesize the sounds. Quality of sound produced by .mid files varies from very poor to excellent. The primary factor in determining sound quality is the quality of your sound card. Most recent sound cards produce MIDI sounds using sampled sounds of actual musical instruments.
MPEG Layer 3 A high-quality compressed audio file format used in mp3 files and other file formats. Provides a good combination of sound quality and small file size.
Musical Instrument Digital Interface- see MIDI.
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