Info: http://www.thesycon.de/deu/latency_check.shtmlDPC Latency Checker is a Windows tool that analyses the capabilities of a computer system to handle real-time data streams properly. It may help to find the cause for interruptions in real-time audio and video streams, also known as drop-outs.
Requirements: Windows 2000, XP (x64), Server 2003 (x64), Vista (x64), and 7 (x64)
License: Free for non-commercial use
Download: http://www.thesycon.de/dpclat/dpclat.exe (single .exe 308 KB)