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Measurement series: Time variant impulse responses of ANC headphones
The performance of ANC headphone systems depends strongly on the underlying acoustic paths. Former measurements have shown that these can vary significantly from person to person. This effect can partly be reduced by a calibration the acoustic front end.
A current series of measurements under strictly controlled conditions will clarify to which extent these paths might vary, e.g., depending on the jaw position. The outcome of this study will later on serve as a basis for statistical modelling.