Dictionary of Computer and Internet Terms: 5.1
5.1
a format of surround sound with five speakers that transmit the full audio spectrum and one that transmits only bass. The five full-range speakers are positioned at front left, center, and right, and rear left and right. The bass speaker, or subwoofer, is usually placed in front. See Fig. 256, p. 489. Compare 6.1, 7.1.
