Wha is an integrated receiver decoder?

Wha is an integrated receiver decoder?

a) An integrated receiver decoder (IRD) is a combined RF receiver and MPEG decoder that is used to adapt a TV set to digital transmissions.

b) An IRD with digital interface has the ability to decode partial transport streams (TS) received from a digital interface connected to digital bitstream storage device such as a digital VCR, in addition to providing the functionality of a baseline IRD.