2 in notes

dicyselsna lujvo

s₂ is a loudspeaker emitting sound s₁.

Cf. snaveitci.

• jbovlaste

In notes:

snaveitci

t₁ is a microphone for recording sound s₁ produced/emitted by s₂.

srimakyvelvei

v₄=m₁ is a magnetic tape/cassette storing v₂ (data/facts/du'u) about v₃ (object/event) in file(s) v₁.