Audio Terminology And Definitions Dictionary
Q The sharpness of a peak.
Quadraphonic Four channel audio. Various rival quadraphonic audio formats including QS, SQ and CD4
were proposed in the Seventies. Many broadcast companies experimented with four channel FM transmission, the BBC, for example, favoring a format known as Matrix H. No quadraphonic format survived as a viable commercial entity into the digital age.
QuickTime is a file format for storing and playing back movies with
sound. Though developed and supported primarily by Apple, this flexible format
isn't limited to Macintosh operating systems. It's also commonly used in Windows
systems and other types of computing platforms. In Windows, QuickTime files
usually appear with the .mov filename extension.