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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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Sync-pop |
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Lt/Rt |
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17.5mm Film |
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Foley |
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Optical Sound Track |
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DAT |
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archival
sound theory
physical media
equipment
technologies
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). 
Magneto Optical Disk
A magneto optical disk, or MOD, is a digital data storage medium. Like a hard drive, CD, DVD, and flash drive, it reads and writes digital data. MODs are removable media, separate from the drive mechanism, that are housed in a protective case.
In post-production, MODs primarily serve three
Wow
All recorded media are designed to play back at specific, stable rates of speed. If the record or playback speed fluctuates, random variations in the pitch of the program, called wow, will result. Wow is inherent in any mechanical transfer, though in an optimal transfer, it should be so minor as