
Foreword
Digital signal processing is at the “heart” of most technologies that we use today. Our
cell phones use digital signal processing to generate the DTMF (dual tone multi-frequency)
tones that are sent to wireless networks. Our noise-canceling headphones use adaptive
digital signal processing to cancel the noise in the environment around us. Digital cameras
use digital signal processing to compress images into JPEG formats for efficient storage so
that we can store hundreds of images in a single memory card. It is digital signal processing
that allows us to play compressed music in our iPods. Digital signal processing controls
even the anti-lock ...