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 RadioShack Consumer Electronics Glossary: Q

 
Q
Audio: The symbol for electrical quality.
Electronics: The symbol for electrical charge.
 
QDesign
Audio: 1) An audio codec which provides additional compression for MP3 files. 2) The company which owns this codec.
 
QDX
Audio: The file extension for the QDesign audio codec.
 
Qes
Audio: The electrical quality factor of the speaker driver at Fs.
 
Qms
Audio: The mechanical quality factor of the speaker driver at Fs.
 
Qts
Audio: The total quality factor of the speaker driver at Fs. Qts can be calculated using the equation: Qts = Qms x Qes / (Qms + Qes)
 
Quadraphonic
Audio: The original (circa 1970's) name for surround sound.
 
Quick Response: see Response, Quick.
 
QuickTime
Digital Audio, Digital Video, Internet: 1) A motion video standard created by Apple. QuickTime video sequences are stored as MOV files and can contain an audio track. Additional information is available on the QuickTime website.
2) A software application created by Apple which can read almost any non-propietary audio or video format, including streaming Internet movies and virtual reality movies.
 
QVGA
Digital Video, Computers: An image resolution of 320 x 240 pixels.

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