Stereophonic sound is
|“||[t]he audio information carried by plurality of channels arranged to afford the listener a sense of the spatial distribution of sound sources. Stereophonic sound broadcasting includes, but is not limited to, biphonic (two channel), triphonic (three channel) and quadrophonic (four channel) program services.||”|
- ↑ 47 C.F.R. §73.310(b).