Increasingly, but not entirely, they are based on a digital processor (or computer).

Late in the 20th century most were replaced with digital signal processors.

It's certainly made me rethink my approach to digital processors and what I expect from them.

"On average, there's probably 15 analog chips needed for every digital processor you use."

A digital signal processor would generate a stream of numbers.

A single digital signal processor provides both the control and processing function.

Using a digital signal processor, as used in software-defined radio.

"The main source of the margin improvement is coming from digital signal processors," he said.

What they've done is put a digital signal processor on the motherboard.

Sonic's system would not be possible without Motorola's digital signal processors.