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Audio Terminology And Definitions Dictionary

 

Jitter  Small variations in the timing of digital signals caused by a digital circuit's inability to lock on to an incoming data stream. D/A converters are particularly susceptible to jitter-induced problems. In audible terms, jitter causes a loss of transparency.

 

JPEG  Named After the Joint Photographic Experts Group, JPEG is a lossy codec for storing and transferring full-color digital images. It is often used to post photography and artwork on the Internet. JPEG compression takes advantage of the human eye's inability to see tiny color changes by removing portions of data from the original picture file. When creating a JPEG file, varying amounts of compression can be selected, depending on the desired file size and image quality. Motion JPEG, a variation of this codec, is used by some digital cameras and camcorders for storing video clips of relatively small file size. With Motion JPEG, each frame of video is captured separately and reduced in size using JPEG compression.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

     
 

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