Pub. date: 2009 | Online Pub. Date: December 16, 2009 | DOI: 10.4135/9781412972048 | Print ISBN: 9780761929574 | Online ISBN: 9781412972048| Publisher:SAGE Publications, Inc.About this encyclopedia
The ability to record sound is a necessity for journalists in the modern converged media environment. Digital sound technology is a convenient way for reporters to collect and edit audio clips from important speeches, conduct interviews with newsmakers, gather natural sounds to provide an aural context for news events, and produce news packages, newscasts, and public affairs programs. Lightweight digital recording devices are easily transportable, have removable memory cards for storage, and provide excellent sound quality. The term “digital sound” is used to summarize digital audio techniques for capturing, manipulating, storing, and distributing sound. “Sound” is a disturbance of molecules in a compliant medium (such as air) caused by acoustical vibrations made by something moving in an environment (such as human vocal cords or the strings on a piano) and the reception of those vibrations. Sound may be described in terms of the physical properties of a pressure wave: frequency ...