Apparatus and method for pitch-shifting audio signal with low complexity
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United States of America Patent
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Oct 3, 2023
Grant Date -
Apr 13, 2023
app pub date -
Jan 24, 2022
filing date -
Sep 29, 2021
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Abstract
An apparatus and method for pitch-shifting an audio signal with low complexity are disclosed. The method includes identifying a distance between an audio object included in the audio signal and a listener, checking whether the distance between the audio object and the listener decreases, and performing stepwise stretching pitch-shifting of repeatedly using at least one of frequency components of the audio signal when the distance between the audio object and the listener decreases.
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