QS Regular Matrix
Quadraphonic Sound (originally called Quadphonic Synthesizer, and later incorrectly referred to as RM or Regular Matrix) was a phase…
QSound
QSound is the original name for a positional three-dimensional (3D) sound processing algorithm made by QSound Labs that creates 3D audio…
Quad Electrostatic Loudspeaker
The Quad Electrostatic Loudspeaker (ESL) is the world's first production full-range electrostatic loudspeaker, launched in 1957 by Quad…
Quadraphonic open reel tape
Quadraphonic open reel tape or Q4 was the first consumer format for quadraphonic sound recording and playback. Pre-recorded tapes in this…
Quadraphonic sound
Quadraphonic sound uses four audio channels in which speakers are positioned at the four corners of a listening space. The system allows…
Quaker meeting (game)
Quaker Meeting, also known as Quaker's meeting or Cracker's Meeting (in the American South), is a child's game which is initiated with a…
Quakers
Quakers are people who belong to the Religious Society of Friends, originally known as simply the Society of Friends, a historically…
Quarter tone
A quarter tone is a pitch halfway between the usual notes of a chromatic scale or an interval about half as wide (aurally, or…
Quasi-peak detector
A quasi-peak detector is a type of electronic detector or rectifier. Quasi-peak detectors for specific purposes have usually been…
Query by humming
Query by humming (QbH) is a music retrieval system that branches off the original classification systems of title, artist, composer, and…
Quiet area
"Quiet area" or "quiet areas" is a concept used in landscape planning to highlight areas with good sound quality and limited noise…
Quiet Mark (certification)
Quiet Mark is a UK-based international certification programme for products assessed as having lower noise output or effective…
Quiet PC
A quiet, silent or fanless PC is a personal computer that makes very little or no noise. Common uses for quiet PCs include video editing…
Quiet-22
The Quiet-22 is a.22 caliber round produced by CCI. It has a significantly quieter noise profile compared to most gunshots, generating 75%…
Quintus (vocal music)
The Latin word quintus, also quinta or quinta vox, refers to the fifth voice in addition to the superius, altus, tenor and bassus in a…