KB 938136 [Server 2003] / KB 933433 [Vista] - Recording quality is poor when you use a USB microphone on a computer that has 4 GB of RAM or more

This might be good to know/have if your Office Communicator / Speech Server is stuttering for no good reason with Windows 2003. The Vista KB/hotfix is located here.

SYMPTOMS
You record audio by using a USB microphone on a computer that is running Microsoft Windows Server 2003 or that is running Microsoft Windows XP Professional x64 Edition, or Windows Vista. However, you find that the quality of the recording is poor. For example, there may be gaps or pauses in the recording. This problem occurs on a computer that is using 4 gigabytes (GB) of RAM or more.