Answer:
monophonic: (of sound reproduction) using only one channel of transmission. music definition: consisting of a single musical line, without accompaniment.
homophonic music def.: characterized by the movement of accompanying parts in the same rhythm as the melody.
polyphonic: Polyphony is a type of musical texture consisting of two or more simultaneous lines of independent melody, as opposed to a musical texture with just one voice, monophony, or a texture with one dominant melodic voice accompanied by chords, homophony.
triphonic: Adjective. triphonic (not comparable) (of sound reproduction) In three channels.
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