bleeps, chirps, vibrating, boop, birdcall, klaxon, beeper, chirrup, screech, shrilling, shrieks, clacks, clanks, tinkle, clunks, bleeper, noises, squawks, whir, trills, whirr, claxon, tintinnabulation, sibilance, yelps, clang, twitches, hum, alarms, dials, honks, strobe light, hiss, gurgle, heartbeats, screams, squeals, squeaks, handclaps, barks, metronome, synthesizer, moans, blare, pulsing, whinnies, wails, thuds, blipping, jittering, neighs, sirens, buzzes, glissando, whistles, vibrations, cacophony, thrum, whoosh, grunts, homing device, droning, chimes, pagers, warbles, tinny, decrescendo, foghorns, strobes, whump, thwacks, tremolos, pinging, annunciator, buzzers, staccato, sounds, clatter, ringing, blinks, woofs, crackles, brainwaves, randomizer, plink, clangor, bleats, pattering, hoofbeats, clinks, growls, claps, toots, morse code, doohickey, earpiece, tuning fork, respirations, cougher, thumbwheel, semaphore, rev counter, beep, clicks, raps, buzz, chirp, flashes, clicking, kicks, pushes, repetitions, whine, beats

beeper, pager