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Audio Post Production Knowledge Base
Welcome to TriggerTone — the searchable online guide to audio post production terminology.
For more than a century, those who work with audio have developed a vocabulary all their own - a lexicon where cans are worn over your ears, clipping has nothing to do with coupons, bias never refers to favoritism, sweetening contains no sweetener, a matrix does not star Keanu Reeves, and "wow" is one thing you never want to hear.
TriggerTone signals the start of your search through the multitude of terms used in audio post. Curious why motor boating has sunk your track or how an anomaly with a name as innocuous sounding as flutter could cause so many rejections? The definitions herein were written for professionals not necessarily familiar with the physics of sound or the mind numbing details of an audio engineering textbook. Rather, the goal of TriggerTone is to provide concise, clear interpretations of terms as they relate to audio post embellished with sound clips and illustrations where helpful.
The gate is open; soon your head will be filled. To get you started, please remember that in the world of sound you do not need to layback to laydown, and you absolutely can not eat the pancakes.
Browse the most popular viewed terms.
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Lt/Rt |
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Sync-pop |
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Optical Sound Track |
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Mixing Console |
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DAT |
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Patch Bay |
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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 
Metadata
Metadata is used to facilitate the understanding, characteristics, use, and management of data based on the type of data and the context of its use.
Some examples:
A) In a library database, metadata about a book would likely include the author, title, genre, a description of the content,
Modulating Hiss
Modulating hiss refers to noise levels that noticeably rise and fall with program level.
For example, a common occurrence of modulating hiss can be heard when noise levels rise around each spoken word of dialogue in a soundtrack.