Sound waves explained! (for beginners) - Ep. 01

Опубликовано: 17 Май 2026
на канале: AwesomeAcoustics in English

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What is sound, physically? What do “amplitude” and “frequency” mean, and how do we perceive them? What is the Doppler effect? In this video, we’ll be looking at characteristics of sound waves, and it does not require advanced knowledge in physics and mathematics, so it’s beginner-friendly.

The Legend of Zelda (NES) Main theme visualization:    • Koji Kondo - "The Legend of Zelda (Theme)"...

Complete (classic) series:    • Playlist

Version en Español de este video:    • Ondas de sonido y sus características (par...

Music: Ricardo de Santiago – A Beautiful Chaos (   • 🌪A Beautiful Chaos🌈 - Ricardo De Santiago  )

0:00 Introduction
0:28 Vibration of an object and propagation of sound
2:19 Pressure, atmospheric pressure, and Pascals
3:14 High and low pressure regions
4:37 Plot of a sound wave
5:38 Amplitude, loudness, and volume
6:09 Peak, RMS, and instantaneous amplitudes
9:23 Speed of sound in different media
11:09 General concept of frequency
11:52 How to measure frequency and period
14:15 Frequency of a wave
14:53 Human hearing range
15:20 Relationship between frequency and pitch
15:50 Period vs. wavelength
16:24 Visualization of wavelength
17:31 Doppler effect
18:25 Duration of a sound
18:41 Waveform and timbre
20:35 NES music visualization
21:52 Outro

References to images and animations:

Slowmo guitar: https://imgur.com/54NqR
Voice: https://www.scienceabc.com/eyeopeners...
Slowmo loudspeaker: https://fromvinyltoplastic.com/loudsp...
Bell: http://www.mathdemos.org/mathdemos/tr...
Sound in a duct: http://resource.isvr.soton.ac.uk/spcg...
Mexico City: https://commons.wikimedia.org/wiki/Fi...
Ear: http://www.drtoddcase.com/plastic-sur...
Astronaut: https://commons.wikimedia.org/wiki/Fi...
Atmosphere: https://www.needpix.com/photo/downloa...
Sun: https://www.flickr.com/photos/gsfc/49...
Breaking sound barrier: https://commons.wikimedia.org/wiki/Fi...
Canon camera: https://commons.wikimedia.org/wiki/Fi...
Beer: https://www.freepik.com/free-photo/cl...
Loudspeaker diaphragm: https://ktradio.dk/product-details.as...
Slowmo crash cymbal:    • Slow motion cymbal abuse.  Music by tOCK. ...