A 1D convolutional neural network maps two-microphone transfer functions from finite porous samples to the sound absorption coefficient of an equivalent infinite sample, validated with BEM simulations and free-field experiments.
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A data-driven two-microphone method for in-situ sound absorption measurements
A 1D convolutional neural network maps two-microphone transfer functions from finite porous samples to the sound absorption coefficient of an equivalent infinite sample, validated with BEM simulations and free-field experiments.