According to Wikipedia: "XAudio2 operates through the XAudio API on the Xbox 360, through DirectSound on Windows XP, and through the low-level audio mixer WASAPI on Windows Vista and higher."
https://en.wikipedia.org/wiki/XAudio2
According to Microsoft: "XAudio2 is a cross-platform API that has shipped for use on Xbox 360 as well as versions of Windows, including Windows XP, Windows Vista, Windows 7, and Windows 8."
http://msdn.microsoft.com/en-us/library/...85%29.aspx
https://en.wikipedia.org/wiki/XAudio2
According to Microsoft: "XAudio2 is a cross-platform API that has shipped for use on Xbox 360 as well as versions of Windows, including Windows XP, Windows Vista, Windows 7, and Windows 8."
http://msdn.microsoft.com/en-us/library/...85%29.aspx