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Reviewed and published by trentmaziarz, March 20, 2026. Discovered and drafted by our automated research pipeline.
Dialogue Boost is a Prime Video feature that uses AI to identify specific moments in a film or show where dialogue is difficult to hear over background sound — and then selectively increases the clarity of speech at those moments only. It launched in April 2023 and is now available in seven languages.
Details
Unlike simple volume controls, Dialogue Boost uses AI to analyze the audio track and isolate the speech signal from music, effects, and ambient noise, targeting enhancement precisely where speech intelligibility drops. Viewers can choose between Medium and High boost levels. All audio processing runs in the cloud using AWS services including Amazon ECS and Amazon Fargate. The feature launched in English for select Amazon Originals and as of July 2025 supports French, Italian, German, Spanish, Portuguese, and Hindi in addition to English. Prime Video describes this as exclusive to its platform among major streaming services.
Products affected
Prime Video
Sources & Evidence
Other practices by Prime Video
OtherWhen viewers pause or tap the screen while watching on Prime Video, a feature called X-Ray displays information about the actors currently on screen, the music playing, and behind-the-scenes trivia — using a combination of AI and human curation backed by IMDb data.Customer SvcAlexa+, Amazon's redesigned AI assistant built on large language models, can understand conversational requests to find content on Prime Video — such as "show me movies about dogs and their owners" — and control playback with voice commands. It became free for Prime subscribers after exiting early access.Customer SvcWhen viewers contact Amazon with Prime Video issues — such as playback problems, subscription questions, or billing disputes — an AI chatbot handles the initial interaction, attempting to resolve the issue automatically before connecting the viewer to a human agent.
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