What is DPC Latency?
Many audio problems on a computer can be caused by DPC latency. DPC stands for Deferred Procedure Call. In its simplest form it is the part of your Windows system that handles driver efficiency.
If there is a driver that is taking longer than normal to process, it may prevent other drivers from being processed in time. The worst case is that it can cause your audio interface driver from
responding in time and can cause clicks, pops, distortion and dropouts.
ตัวอย่าง
nvlddmkm.sys = These are your video card drivers. Visit www.nvidia.com and locate the latest drivers for your video card and update them.
Double check for IRQ conflicts between your video card and other devices on your system, particularly the IEEE 1394 Controller. On certain computers
these may also be related to your motherboard chipset drivers.
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