The Physics of Sound: Loudness

Posted by

What makes one sound louder than another?

The bigger the vibration (the more distance the string travels back and forth), the louder the sound. The smaller the vibration, the softer the sound.

This vibration….

piano-ology-the-physics-of-sound-vibration-loud

will sound louder than this vibration…

piano-ology-the-physics-of-sound-vibration-soft

because the first vibration moves more air back and forth than the second vibration. The more air that is compressed, the higher the pressure, the more your ear drums move in response, and the louder your brain perceives the sound.

LEARN MORE… Harmonics

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.