[AUDITORY] Software hearing aid prescriptions for stimulus presentation

["Landsberger, David" <00000195bc27cc75-dmarc-request@xxxxxxxxxxxxxxx>]

I am hoping to get some advice on presenting stimuli to hearing aid users for an experiment.  The goal is to present stimuli to hearing aid users directly from a PC via insert headphones.  We would like to ask if pre-processed signal “A” is better than pre-processed signal “B”, with each sound consisting of a .wav file.  To present the signals, we would like to pre-process the wav files for each listener based on their audiogram using a reasonable hearing aid prescription, such as (but not necessarily) NAL-NL2.

How do I pre-process these wav files?  Is there a software tool available where I can provide an audiogram and a wav file and it will output such a file?  Could somebody point me to such a tool?  A free solution would be preferred, but I would appreciate learning about any solution.

Any help / pointers would be greatly appreciated.

Thanks,

David

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