D

debug build
The largest and slowest type of build, but one that provides better facilities for debugging new code and tracking problems.
debug level
A DWORD value indicating the relative importance of a debug output, where zero is the most important level.
DIB sequence
A series of device-independent bitmap (DIB) images rendered in a sequence, as if they were successive frames in a video.
downsample
Decrease the number of samples or pixels, by applying an operation such as averaging.
downstream filter
The next filter in line to receive data from an upstream filter. The upstream filter sends data from its output pin to the connected input pin of the downstream filter.