The human ear can detect from 0 dB to 120 dB without suffering damage. Some pelople can hear sounds that are quieter than 0 dB. Sounds louder than 120 dB can be expected to be painful and may result in damage to the eardrum and other parts of the ear. Sounds above about 85 dB, if heard regularly for extended periods of time may cause loss of hearing that cannot be repaired.
The normal measure of noise related to human hearing is PNdB or Perceived Noise deciBels. This is a logarithmic scale like all dB, but is weighted for frequency response. A man with normal hearing can just perceive 0 dB. The scale was in fact designed with this in mind. At the other end of the scale is the "pain threshold" where sound starts to cause pain. For most people this in the region of 110dB - 120 dB. Ear defenders should be worn well before these levels are reached.
This widely varies between humans according to their age and how many loud noises have damaged their ears over time. However for most humans the average is about a 20.0 Khz. I am not sure what this would be in decibels.
That depends a lot on whether it is short-term or long-term.The Wikipedia article "Sound pressure" lists the following thresholds:
* A long-term exposure to 85 dB (at ear) can cause hearing loss.
* A short-term exposure of 120 dB (at ear) can cause hearing loss.
However, the U.S. EPA has specified a lower limit, of 70 dB, to protect against hearing loss, as well as sleep disturbance and other disturbances. So, I guess this latter figure is the best answer to the question.
The threshold of hearing is 0 dB, really.
We can hear from 0 dB, that is the threshold of hearing up to 130 dB that is the threshold of pain.
The absolute threshold of hearing is the lowest possible tone/decibel you could possibly hear. (This differs form person to person). The Differential Threshold is the point at which a person recognizes the decibel level has changed.Hope this answers your question, just learned this in psychology!
A human ear capable of detecting sound at a level of around 12 hz. A decibel is not the correct measurement unit for measuring the human range of sound.
Decibel Scale [Apex] (: its 10 honey
Decibel level over and above 120-15 is considered dangerous for the humans.
We can hear from 0 dB, that is the threshold of hearing up to 130 dB that is the threshold of pain.
The absolute threshold of hearing is the lowest possible tone/decibel you could possibly hear. (This differs form person to person). The Differential Threshold is the point at which a person recognizes the decibel level has changed.Hope this answers your question, just learned this in psychology!
Fire engine is 120 Decibels which is also the threshold of pain.
A crowing rooster can have a crow that is upwards of a decibel level of 70. This can be comparable to the decimal level of a raised human voice.
Scroll down to related links and look at "Decibel Sound Pressure Level Examples".
60 i think
Human hearing is typically between 20 Hz an 20,000 Hz
A human ear capable of detecting sound at a level of around 12 hz. A decibel is not the correct measurement unit for measuring the human range of sound.
Decibel Scale [Apex] (: its 10 honey
The decibel level for standard human voices is around 60 decibels, which is also the level for singing birds. Hearing loss occurs at around 110 decibels with painful hearing loss occurring at 130 decibels.
20,000 Hz (20kHz) is the (ideal) highest FREQUENCY that a healthy human ear can hear. With regard to loud sounds, a sound LEVEL of 120 decibel (dB) causes pain, and a level of 140 dB causes deafness.
A decibel is the unit of measuring the level of sound.