horn, waves, siren, acoustics, shift, motion, postponement, moving, movement,

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Size: 5000px × 2777px
Photo credit: © PeterHermesFurian / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: acoustically, acoustics, ambulance, bugle, crest, curve, deeper, deformation, doppler, drive, effect, exchange, fire, frequency, higher, horn, megaphone, motion, movement, moving, physics, pitch, police, postponement, rescue, shift, signal, sine, siren, sirens, sound, source, speaker, strain, stretching, vector, vectors, wavelength, waves