Windows Media Audio (WMA) is a series of
audio codec An audio codec is a device or computer program capable of encoding or decoding a digital data stream (a codec A codec is a device or computer program In imperative programming, a computer program is a sequence of instructions in a programming l ...
s and their corresponding
audio coding format An audio coding format (or sometimes audio compression format) is a content representation format for storage or transmission of digital audio Digital audio is a representation of sound recorded in, or converted into, Digital signal (signal ...
s developed by
Microsoft Microsoft Corporation is an American multinational corporation, multinational technology company, technology corporation which produces Software, computer software, consumer electronics, personal computers, and related services. Its best-know ...

. It is a
proprietary {{Short pages monitor