sones
cosine?
The Sound of MusicSouth PacificSweeney Todd
cymbals
"Sonorous" is a synonym for noisy that starts with the letter "s".
"Scout out" is a synonym for "check out" that starts with 's' and has the 'ou' sound.
Sound is measured in decibels and is symbolized dB
sound is measured in decibles
A sound spectrogram measures the frequency and wavelengths of sound waves. The frequency is measured in Hertz and the wavelengths are measured in meters.
school bellsecurity alarmsleigh bell
There is really no standard distance from the sound source where the sound pressure level (SPL) is measured.
Sound pressure levels are typically measured in decibels (dB).
Answer is by sound waves