The states that the frequency of a sound emitted by a moving sound source is higher in front of the sound source than behind it.
A)Dolby effect
B)Doppler effect
C)von Békésy effect

Question

Quizplus · Accepted Answer

This is the definition of the Doppler effect, which occurs when a sound source is moving towards or away from the observer, causing a perceived shift in frequency. The other choices are incorrect - the Dolby effect is a trademarked term used for a specific type of audio processing, and the von Békésy effect relates to how the ear perceives sounds of different frequencies.

The States That the Frequency of a Sound Emitted by a Moving