- How Does Sound Travel? | Waves, Speed, Frequency, Amplitude - Britannica
Sound travels in waves that are disturbances that move through a medium by causing particles to vibrate back and forth
- How Does a Radio Convert Waves into Sound? | Britannica
There are two ways radio stations modulate their carrier waves: amplitude modulation, or AM, and frequency modulation, FM AM radio broadcasts a carrier wave that maintains a constant frequency, while the overlaying sound wave modulates its amplitude
- Electromagnetic radiation - Radio Waves, Frequency, Wavelength | Britannica
Electromagnetic radiation - Radio Waves, Frequency, Wavelength: Radio waves are used for wireless transmission of sound messages, or information, for communication, as well as for maritime and aircraft navigation
- Sound - Decibel, Frequency, Amplitude | Britannica
Sound - Decibel, Frequency, Amplitude: The ear mechanism is able to respond to both very small and very large pressure waves by virtue of being nonlinear; that is, it responds much more efficiently to sounds of very small amplitude than to sounds of very large amplitude
- Sound | Properties, Types, Facts | Britannica
The study of sound should begin with the properties of sound waves There are two basic types of wave, transverse and longitudinal, differentiated by the way in which the wave is propagated
- Human ear - Hearing, Anatomy, Physiology | Britannica
Sounds are produced when vibrating objects, such as the plucked string of a guitar, produce pressure pulses of vibrating air molecules, better known as sound waves
- Acoustics | Definition, Physics, Facts | Britannica
The modern study of waves and acoustics is said to have originated with Galileo Galilei (1564–1642), who elevated to the level of science the study of vibrations and the correlation between pitch and frequency of the sound source
- Sound - Frequency, Amplitude, Decibels | Britannica
Just as white light is the combination of all the colours of the rainbow, so white noise can be defined as a combination of equally intense sound waves at all frequencies of the audio spectrum
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