dB
5
4.9
- noun
- /diːˈbiː/
- Specialized
:
dB
- Prolonged exposure to sounds above 85 dB can cause permanent hearing loss.
- 85 dB
- 0 dB
- dB SPL
And turns out that the intraoral level difference there is one DB.
- And turns out that the intraoral level difference there is one DB.
Examples
-
Prolonged exposure to sounds above 85 dB can cause permanent hearing loss.
-
Listeners passed hearing screening tests at 20 dB SPL for the octave frequencies of 250 Hz through 8000 Hz.
Academic text (2012) -
Prolonged exposure to sounds above 90 dB may lead to permanent hearing loss.
Academic text (1990) -
In real values, CPP varied by approximately 17 to 20 dB across each surface.
Academic text (2013) -
All participants passed a hearing screening at 20 dB at 0.5, 1, 2, 4, and 6 kHz.
Academic text (2011) -
A threshold difference greater than 30 dB may represent an additional index to indicate suspicion of retrocochlear pathology.
Academic text (2008) -
In addition, all children passed a hearing screening at 25 dB for frequencies of 500, 1000, 2000, and 4000 Hz.
Academic text (2015) -
The mean intensity level (in dB) of B2 was then subtracted from that of B0.
Academic text (2013) -
Sounds were presented at 65 dB SPL using Etymotic Research ER-2 insert earphones.
Academic text (2012) -
Prolonged exposure to sounds above 90 dB may lead to permanent hearing loss.
Synonyms
22
4.7
A unit that measures how loud a sound is
Surface Forms
Etymology
The word dB is short for decibel. It comes from deci- meaning 'one tenth', as in decimal, and the unit Bel, named after Alexander Graham Bell, the telephone inventor. So a dB is one tenth of a Bel, which is why we use dB to measure changes in sound or signal strength.