This study focused on the bandpass function of the human cochlea and how the superimposition of sine waves on a musical stimulus may aid in more individualized frequency ranges when presented to subjects. Based on the Nyquist theorem, musical samples chosen were of ample sampling rate to provide an absolute base for accurate perception when paired alongside sine waves near or beyond the upper limit of discernibility. Utilizing musical samples as a setting for sine wave detection tested subjects’ psychoacoustical abilities beyond the recognition of tones without partial interferences (i.e., audiogram). Frequencies that were recognizable at a significant level contributed towards the development of a more accurate frequency range of hearing near 16 kHz.
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https://aes2.org/publications/elibrary-page/?id=22317
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