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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

Quarter Space
When a speaker or other sound source is placed in a free field the sound it produces is able to radiate in all directions (depending, of course, on the design of the speaker enclosure). When a sound source is placed against a solid barrier, such as a wall, that same amount of energy is radiated into the space on one side of the barrier only, or into "half space." When a speaker is placed at a junction between two walls, such as in the corner of a room, it is said to be in a 1/4 space environment. This will yield an additional 3 dB of sound power level (particularly in bass frequencies) over a speaker in a half space environment and 6 dB over a speaker in the free field. For more information on this phenomenon see WFTD Half Space.

Q

Quadraphonic

Quadrat

Quantization

Quantization Error

Quantization Noise

Quarter Sawn

 Quarter Space

Quarter Tone

Quarter Track

Quasi-Parametric

Quaver

Quick Change Blues

QuickTime

 Quick Time Musical Instruments

Quiescent Current

Quiescent Noise

Quilt Maple

Quit

QWERTY Keyboard

     
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