D

DLP

Digital Light Processing.

DMB

Digital Multimedia Broadcasting.

DOCSIS

Data Over Cable Service Interface Specification. 

Standards include DOCSIS3.1 and DCSIS4.0

DOP

Director of Photography.

DPX

SMPTE digital file format.

DRM

Digital Rights Management.

DSI

Digital Speech Interpolation.

DSU

Data Service Unit.

DTH

Direct To Home.

DTT

Digital Terrestrial Television.

DVB

Digital Video Broadcasting.

DVB-T2

Digital Video Broadcasting - Second Generation Terrestrial.

DVE

Digital Video Effects.

DWDM

Dense Wavelength Division Multiplexing.