Identify the result you need
Amazon’s Dialogue Boost help offers Medium and High choices for supported titles on its documented clients. Amazon’s engineering explanation describes targeted enhancement where dialogue is difficult to hear above music or effects. That is different from adding a narrator who describes visual action, which is the purpose of an Audio Description track.
Read the offered track labels
Prime Video’s audio help identifies description tracks by their Audio Description label. Choose the feature that matches the viewer’s need rather than assuming any accessibility-related audio choice performs both functions. A louder or clearer line of dialogue does not itself describe an unspoken visual event.
Compare a representative passage
For a title legitimately available to the account, compare the supported Dialogue Boost choices on a brief dialogue-heavy passage at a comfortable level. If narration is needed, inspect the separate description option instead. Keep the actual title and client with the result; not every title or device offers the same list.
Avoid a universal sound promise
Dialogue Boost is a supported-title feature, not a claim that every soundtrack or connected television will gain it through a general volume change. If the option is absent, check the specific product’s help and offered audio before altering the whole sound system. Report the missing label or the observed sound difference, rather than treating a different listening aid as a failed equivalent.
Check whether the programme offers description
Amazon’s accessibility overview excludes live events from audio-description tracks. Ordinary sports commentary should not be renamed as a verified description track merely because it describes some action. For a planned accessible session, inspect the actual event or programme’s audio labels and current accessibility information. Dialogue Boost cannot supply an absent editorial narration track, and an on-demand example does not establish the live event’s accessibility assets.
Questions, answered
Does Dialogue Boost narrate visual action?
No. It addresses dialogue clarity; Audio Description is a different track.
Is it documented for every title?
No. Amazon limits it to supported content and clients.