This is just called sibilance [0], it’s most likely in the source material but could be accentuated by a number of downstream factors. See also [1] [0]https:/

This is just called sibilance [0], it’s most likely in the source material but could be accentuated by a number of downstream factors. See also [1] [0]https://en.wikipedia.org/wiki/Sibilant https://en.wikipedia.org/wiki/Sibilant [1]https://en.wikipedia.org/wiki/De-essing https://en.wikipedia.org/wiki/De-essing