Research on an optimized algorithm of tinnitus therapeutic sound
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TH785+. 1 R318. 6

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    Abstract:

    To solve the problem that it is difficult to balance the therapeutic effect and the pleasant degree of audio in the traditional tinnitus treatment, an innovative audio processing algorithm is proposed, which considers the pleasant degree of audio and the therapeutic effect of tinnitus. The logarithmic distribution characteristics of cochlear sensing are followed. The original natural sound based on the digital filter set with fixed upper and lower limit cutoff frequencies is divided and filtered, and the original natural sound along the frequency logarithmic axis is equalized. The therapeutic sound can achieve energy balance in the full frequency range while taking into account the therapeutic effect. The results show that the audio after logarithmic energy balance processing not only conforms to the distribution of pink noise at whole frequency bands, but also significantly improves the energy at the high frequency bands of 4 001 ~ 8 000 Hz and 8 001~ 10 000 Hz. The audio energy after processing increased to 15 times and 100 times more than the original audio energy, respectively. The proposed innovative algorithm not only satisfies the pleasant habit of tinnitus-affected ears to audio sensibility, but also provides a treatment scheme for the international problem that high-frequency tinnitus has no effective therapy.

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  • Received:
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  • Online: July 11,2023
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