Hearing testing equipment and methods
A technology of hearing test and equipment, applied in the direction of audiometer, diagnostic recording/measurement, diagnosis using pressure, etc., which can solve the problems of redundant data, reduced signal-to-noise ratio, and not considered
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example 1
[0092] Example 1 (negative pressure scan, P TPP or ambient pressure)
[0093] 1. Apply a first pressure (eg, P + =200daPa) and using the first broadband signal S 1 Obtain / measure the complex admittance Y(f, P + ).
[0094] 2. With the first tone signal T 1 (eg, at 226Hz) made from the first pressure (P + ) to the second pressure (P - ) of the first tympanogram.
[0095] 3. Optional: using a second broadband signal S 2 Measure the complex admittance Y(f, P at the second pressure - ).
[0096] 4. Apply a third pressure (e.g., P derived from the first tympanogram TTP or ambient pressure) and using a third broadband signal S 3 Obtain / measure the complex admittance Y(f, P TPP or P def ).
[0097] 5. Determination of the middle ear resonance frequency f based on the complex admittance measured at the first pressure and the third pressure RES .
[0098] 6. Optional: use a device that has a resonance frequency f in the middle ear RES : Y(f RES , P) the second tone si...
example 2
[0100] Example 2 (positive pressure scan, P TPP or ambient pressure)
[0101] 1. Apply the first pressure P - (for example, P - =-400dapa) and using the first broadband signal S 1 Obtain / measure the complex admittance Y(f, P - ).
[0102] 2. With the first tone signal T 1 (eg, at 226Hz) made from the first pressure (P - ) to the second pressure (P + ) of the first tympanogram.
[0103] 3. Optional: using a second broadband signal S 2 Measure the complex admittance Y(f, P + ).
[0104] 4. Apply a third pressure (e.g., P derived from the first tympanogram TTP or ambient pressure) and using a third broadband signal S 3 Obtain / measure the complex admittance Y(f, P TPP or P def ).
[0105] 5. Determination of the middle ear resonance frequency f based on the complex admittance measured at the first pressure and the third pressure RES .
[0106] 6. Optional: use a device that has a resonance frequency f in the middle ear RES : Y(f RES , P) the second tone signal T...
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