Audio Post Production Knowledge Base

Today's Audio Term: Metadata Metadata is used to...

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Noise Floor
The inherent noise of a recording medium, a noise floor typically sounds like hiss and differs with the makeup of different types and qualities of tape and film. For example, a consumer grade cassette tape has a higher noise floor than a professional 1/4” tape, and a high quality digital

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

Lt/Rt
Lt/Rt (Left total / Right total) stereo indicates two channels of program that exist as an encoded matrix of four discrete source channels. When Dolby® decoded, the two-channel matrix will play back as LCRS (left, center, right, surround). Lt/Rt tracks are also designed to sound natural in a two