Amazon Prime Video has a hidden audio feature that, once you find it, you'll probably use it for every show or movie for which it's available.

Amazon Prime Video has added a new feature called Dialogue Boost, which allows customers to increase the volume of dialogue relative to background music and effects, the streamer announced on Tuesday.

On "dumb" speakers, there may still be a button that boosts voices. Amazon's Fire TV Soundbar Plus includes a Dialog button ...