Device for presenting acoustical and vibratory stimuli and...

Details Device for presenting acoustical and vibratory stimuli and... Device for presenting acoustical and vibratory stimuli and...

2005-12-27

2005-12-27

Lee, Ping (Department: 2644)

Electrical audio signal processing systems and devices

Monitoring/measuring of audio devices

Loudspeaker operation

C381S060000

Reexamination Certificate

active

06980662

ABSTRACT:
A hearing test device is capable of presenting a variety of acoustical or vibratory stimuli and can be easily calibrated. Transfer functions for the device are calculated at two different attenuation levels to derive the characteristic impedance and sensitivity of the acoustic or vibratory transducer. The predicted sound pressure level emitted by the transducer may then be calculated as a function of input signal and attenuation.

REFERENCES:
patent: 4109107 (1978-08-01), Boast
patent: 4586194 (1986-04-01), Kohashi et al.
patent: 5386475 (1995-01-01), Birck et al.

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