Two-tone

Source: Wikipedia, the free encyclopedia.

Two-tone, two tone, or 2 tone, etc., may refer to:

Audio and sound

  • Two-tone analysis, in nonlinear system measurement
  • Two-tone attention signal
  • Two-tone
    chime
    , such as the "ding dong" sound of a doorbell
  • Two-tone sequential
    paging, selective calling method in analog 2-way radio transmission
  • Two-tone siren, a European type of siren

Language

Music

Other

See also