Caption: Doppler effect. Animation of an object emitting sound waves that are closer together in the direction of its travel, and further apart in the opposite direction. This causes the sound of an travelling object, such as a siren, to be higher pitched as it approaches, switching to a lower pitch as it passes and begins to recede. This shift is known as the Doppler effect, after Austrian physicist Christian Doppler (1803-1853). The Doppler effect is also observed in other examples, such as water waves and light waves.

Release details: Model release not required. Property release not required.

Keywords: animated, animation, approach, approaching, change, compressed, doppler, doppler effect, doppler shift, frequency, higher, lower, motion, movement, moving, physical, physics, pitch, recession, shifted, siren, sound, stretched, travel

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Doppler effect, animation

K004/5169 Rights Managed

Downloadable master

Duration: 00:00:04.01

Frame size: 1920x1080

Frame rate: 30

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 56.4M


Capture format: QuickTime Animation

Codec: H.264

File size: 56.4M

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