Digital Sound

Digital sound enables journalists to record natural sounds, interviews, and speeches, and to combine and edit those sounds for newscasts, podcasts, and other content formats. Technological advances in digital recording make it possible for news reporters to collect professional quality sound elements of news events, such as natural sounds, sound bites, voice-over and narration, news packages, and program length productions.

“Digital sound” refers to numerical audio techniques used to capture, manipulate, store, and distribute sound. The word digital describes a binary numerical encoding process used to represent sound vibrations. “Sound” is an air pressure wave that is described by frequency (pitch), amplitude (loudness), and velocity (speed). “Audio” refers to either analog or digital processes for converting acoustical sound into a corresponding energy form (analog) or numerical ...