Method for noise dosimetry in appliances employing earphones...

Details Method for noise dosimetry in appliances employing earphones... Method for noise dosimetry in appliances employing earphones...

H - Electricity

04

M

H04M 1/24 (2006.01) G01H 3/14 (2006.01)

Patent

CA 2293522

A noise dosimeter for an appliance including a speaker to broadcast signals includes a filter receiving signals to be broadcast and having a transfer function generally modeling the frequency response of the appliance to provide output approximating noise appearing at the speaker. Signal processing circuitry processes the filter output before it is accumulated by an accumulator. The value of the accumulator represents a user's exposure to noise when using the appliance.

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