Daniel Kassa March 4 , 2018Composition & Reading CCR92Lotspeich, Justin Definition – What does Digital Audio mean? Digital audio is a technology that is used to record, store, manipulate, generate and reproduce sound using audio signals that have been encoded in digital. There are four types of audio formats. Audio Formats can be broken down into three main categories. Uncompressed formats, lossless compression formats, and lossy compression.
• WMA – Windows Media Audio (.wma )Short for Windows Media Audio, WMA is a Microsoft file format for encoding digital audio files similar to MP3 though can compress files at a higher rate than MP3. WMA files, which use the “.wma” file extension, can be of any size compressed to match many different connection speeds, or bandwidths.• WAV (.wav)WAV is the format used for storing sound in files developed jointly by Microsoft and IBM.
Support for WAV files was built into Windows 95 making it the de facto standard for sound on PCs. WAV sound files end with a .wav extension and can be played by nearly all Windows applications that support sound.• MIDI – Musical Instrument Digital Interface (.mid)Short for musical instrument digital interface, MIDI is a standard adopted by the electronic music industry for controlling devices, such as synthesizers and sound cards, that emit music.
At minimum, a MIDI representation of a sound includes values for the note’s pitch, length, and volume. It can also include additional characteristics, such as attack and delay time.• Ogg (.ogg) Ogg is an audio compression format, comparable to other formats used to store and play digital music, but differs in that it is free, open and unpatented. It uses Vorbis, a specific audio compression scheme that’s designed to be contained in Ogg.