Bel to all other sound unit conversions
Bel
Bel is unit of measurement sound. The term bel is derived from the name of Alexander Graham Bell, inventor of the telephone. '-bel,' is a unit of sound intensity that represents the ratio of sound pressure level. The unit is named after Alexander Graham Bell. The threshold of hearing is zero bel (10^-12 watts per square meter). Sound intensity is often measured in decibels and rarely in bels.