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Time-frequency analysis of auditory evoked potentials using STFT-based adaptive filters

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2 Author(s)
Yuying Song ; Dept. of Electr. & Comput. Eng., Ameritec Corp., Covina, CA, USA ; Lindquist, C.S.

Adaptive filters are extremely useful for signal analysis. Using a time-frequency viewpoint, adaptive filters can be designed for short-term spectral analysis of signals. We use the short-term Fourier transform for a time-frequency analysis of auditory evoked potential (AEP) data. This data is characterized by a time-varying spectrum that falls into three distinct regions: early, middle, and late responses. We discuss the filters needed to do this analysis. We also show that these filters provide more spectral isolation of signals and improved interpretation of AEP data.

Published in:

Signals, Systems and Computers, 2000. Conference Record of the Thirty-Fourth Asilomar Conference on  (Volume:1 )

Date of Conference:

Oct. 29 2000-Nov. 1 2000