Abbreviated as AF, audio frequency represent the range of signals that are audible to the human ear. The range of audio frequencies is usually considered to be in the region between 20 and 20,000 hertz.
- audio sampling rate
The audio sampling rate is number of samples per second that are used to digitize a particular sound. Most digital video (DV) cameras can record at several audio sampling rates, where higher rates produce better results.
- audio scrubbing
The process of moving within an audio file or tape to locate a particular section. The term originally comes from the days of reel-to-reel players, when rocking a reel would give the impression of scrubbing tape across the head. Many audio scrub tools today allow the user to drag a cursor across the wave form […]
- Audit Trail
A record showing who has accessed a computer system and what operations he or she has performed during a given period of time. Audit trails are useful both for maintaining security and for recovering lost transactions. Most accounting systems and database management systems include an audit trail component. In addition, there are separate audit trail […]
The process of identifying an individual, usually based on a username and password. In security systems, authentication is distinct from authorization , which is the process of giving individuals access to system objects based on their identity. Authentication merely ensures that the individual is who he or she claims to be, but says nothing about […]
In social media, authenticity is the word used to describe “real” people behind blog posts and other social profiles that can develop an authentic voice with readers and followers.