Two Audio Channels
This page is the CodyCross answer for the clue below from Sports, Group 145, Puzzle 1 (Assistant Referee).
Question is: Two Audio Channels
and the answer is: STEREO
Word Meaning:
STEREO — A system of recording or reproducing sound that uses two or more channels, each playing a portion of the original sound at different locations in order to simulate the separation of sources along at least one spatial dimension.
Definitions from Wiktionary.