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The Multimedia Extensions were released to Original Equipment Manufacturers (OEMs), mainly CD-ROM drive and sound card manufacturers, and added basic multimedia support for audio input and output and a CD audio player application to Windows 3.0. The Multimedia Extensions (WaveIn/WaveOut interfaces) were released in autumn 1991 to support sound cards, as well as CD-ROM drives, which were then becoming increasingly available. The devices listed in the Multimedia/Sounds and Audio control panel applet represent the MME API of the sound card driver. Wave sound events played in Windows (up to Windows XP) and MIDI I/O use MME. The MME API or the Windows Multimedia API (also known as WinMM) was the first universal and standardized Windows audio API. This article describes audio APIs and components in Microsoft Windows which are now obsolete or deprecated. ( September 2009) ( Learn how and when to remove this template message) Please help to improve this article by introducing more precise citations.

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