0
What else can I help you with?
What is the average decibel level for an ambulance?
120 db
What is Decibel level of a 40 caliber hand gun?
.40 S&W 156 dB
What is the average sound level?
The usual soundlevel can be between 0 dB SPL = 20 µPa (threshold of hearing) up to 130 dB SPL (threshold of pain). An average sound level could be at 85 dB SPL. Scroll down to related links and look at "Average sound pressure levels".
What is the decibel level of a drum line?
On average, about 120 db, depending on size.
What is the difference between dB HL and dB SPL?
dB HL stands for decibel Hearing Level, and dB SPL stands for decibel Sound Pressure Level.
How loud is 60 db?
60 dB sound pressure level is about conversational speech listened in 1 meter distance.
How much does dB?
dB (decibels) is a unit used to measure the intensity of sound. It is a logarithmic scale that compares the intensity of a sound to a reference level, usually the threshold of hearing for the average human ear. The higher the dB value, the louder the sound.
What is db HL?
dB HL stands for decibels Hearing Level and is a unit used to measure the relative loudness perception for an individual with hearing loss. It represents the volume level of sounds that an average person with normal hearing can hear at a given frequency, serving as a reference point for audiologists to determine the extent of a person's hearing loss.
What does NRR equals 30 db mean?
NRR means Noise Reduction Ratio and 30 db (decibels) is about average. 30db hearing protection would be commonly used by shooters to reduce the sound of gun fire.
What level of noise reduction do 100 db ear muffs provide?
100 dB ear muffs provide a noise reduction level of 30-35 dB.
What is the difference between dB SL and dB HL?
The "SL" in dB SL stands for "Sensation Level". The "HL" in dB HL stands for "Hearing Level". The difference between them is that dB SL is based on the hearing ability of an individual test subject, and dB HL is based on the hearing ability of an entire population of test subjects. 0 dB SL is the minimum level at which the test subject can hear a stimulus, usually a tone pip. The actual level will vary with frequency. If we refer to a level of, say, 40 dB SL, we mean a sound that is 40 decibels above a test subject's threshold of hearing. The dB HL scale is the mean dB SL of a large population (theoretically the world-population) of *normal hearing* people. They measured frequency-specific thresholds for alot of people, and averaged them to give the dB HL scale. Finally, dB nHL stands for "normalised hearing level". This is the same concept as dB HL, except the number of test subjects contributing to the average is smaller. It is standard practice for a Hearing Clinic to establish their own dB nHL scale based on all the normal-hearing test subjects they have had access to. This allows a clinic to ensure that the scale they use is correctly calibrated to their test equipment.
How loud in decibels is the m2 machine gun?
About 132 dB(A)
