Loudness and addition of decibels

Because of the logarithmic scale, decibels do not add in a linear fashion. When two identical sounds occur simultaneously, the resulting level is only 3 dB higher than for a single source. By contrast, an increase of 10 dB normally represents a doubling of “loudness” of the sound. Hence doubling the amount of sound energy results in very much less than a doubling in subjective loudness –

Please sign me up for the quarterly newsletter...

* indicates required

I give my consent to receive email newsletters & for my interactions with Amadeus' newsletters to be anonymously tracked via Mailchimp and Google Analytics. Privacy Policy

Please note, you can unsubscribe at any time.