You install a High Definition (HD) Audio function driver on a Windows Vista-based or Windows Server 2008-based computer. The driver can expose multiple non-Pulse Code Modulation (PCM) audio formats and some PCM or non-PCM audio formats that are encrypted.
However, you may notice that the audio application cannot play the following formats:
- The latest non-PCM formats, such as Dolby True HD
- Both PCM and non-PCM audio formats that are encrypted