I've also experienced the issue. With Ubuntu 18.04 LTS, when I first started tinkering with the sound settings, the default turned to a drip, and I've used the bark-replacement method that mcbruno712 suggested, above, as a temporary workaround.
I've also experienced the issue. With Ubuntu 18.04 LTS, when I first started tinkering with the sound settings, the default turned to a drip, and I've used the bark-replacement method that mcbruno712 suggested, above, as a temporary workaround.