 |
| |||
| acoustic level Physical quantity of sound measured, usually expressed in decibels; sound level The sound pressure level (in decibels) at a point in a sound field, averaged over the audible frequency range and over a time interval | |||
|
| |||
| acoustic level Physical quantity of sound measured, usually expressed in decibels; sound level The sound pressure level (in decibels) at a point in a sound field, averaged over the audible frequency range and over a time interval | |||