I'm using the Chrome extension in Vivaldi, and I hear no sound. Yomitan and the older Yomichan work fine. BTW, is there a way to remove the romaji? Having both

I'm using the Chrome extension in Vivaldi, and I hear no sound. Yomitan and the older Yomichan work fine. BTW, is there a way to remove the romaji? Having both hiragana and romaji together is not good. Edit: And for some words there's _only_ romaji.. :-(