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Audio Post Production Knowledge Base
equipment
digital
data
broadcast
analog
Restoration
Restoration is the removal or repair of anomalies in a soundtrack that may have resulted from wear and tear or technical errors induced in the audio program since its original production.
The process of restoration can be accomplished to differing degrees. A light restoration may include the 
Ambience
Ambience is atmospheric background sound. In post production terms, ambience can be the inherent noise of a location or a sound effect sweetener meant to emulate the inherent sound of a location (i.e., wind, air conditioning, or traffic).
Artifact
An artifact is an unintended and undesirable by-product of a process or treatment which has been applied to an audio track in excess. Artifacts are NOT inherent in the source material; they are created or induced by a process, and in many cases are irreparable.
Artifacting can occur regardless
