Dpoae measurement system and method

Details Dpoae measurement system and method Dpoae measurement system and method

A - Human Necessities

61

B

A61B 5/12 (2006.01)

Patent

CA 2385343

A new system and method for the measurement of DPOAE signal level is presented. The present invention is based on a recently developed nonlinear adaptive algorithm. Three units of such algorithms are employed to extract and measure the two artifacts and the DPOAE signal itself. Each core unit has the capability of locking to a specified sinusoidal component of its input signal and tracking its variations over time. The present method features structural simplicity which renders it suitable for both software and hardware implementation. It also offers a high degree of noise immunity which is useful in clinical examinations. Finally, compared to conventional methods the present method requires shorter measurement time.

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