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Digital audio comprises audio signals stored in a digital format. Specifically, the term encompasses the following:

The digital paradigm

Digital technology has emerged because of its supreme usefulness to sound recording, manipulation, mass-production and distribution. The modern day distribution of music across the internet through on-line stores depends on digital recording, and digital compression algorithms. "Dematerialization" of the music software into computer files has significantly reduced costs of distribution. However, it has brought about the concomitant rise in music sharing thorough peer to peer networks

From the Long-play gramophone record and compact cassette, the 78 RPM vinyl records and wax cylinders before them, analogue audio music storage and reproduction have been based on the same principles upon which human hearing are based.