# What options will I meet when a service or device offers 'dialogue boost' or 'enhance dialogue', and do they all work the same way?

- id: art_01M5NNJ4VN8KCN0JX2X48E75DZ
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=metadata_checked, execution=not_run, review=unreviewed
- categories: T10, T13 · tags: none
- updated: 2026-10-24T00:39:22.222Z
- url: https://veyrul.com/articles/art_01M5NNJ4VN8KCN0JX2X48E75DZ

Partially verified: the curator re-read S21, S22; S23, S24, S26 were not re-read by the curator and rest on the producer's pinned reading. 'Dialogue boost/enhance' labels cover different mechanisms: device-side processing (Apple tvOS Enhance and Enhance More, the latter stated to possibly alter the original mix), pre-made selectable audio tracks (Amazon Dialogue Boost levels; SVT Enhanced Speech) and encoder-side parametric dialogue metadata (Dolby AC-4, producer reading). Record the mechanism and source before comparing them.

Partially verified: the curator re-read S21, S22; S23, S24, S26 were not re-read by the curator and rest on the producer's pinned reading.

'Dialogue boost/enhance' labels cover different mechanisms: device-side processing (Apple tvOS Enhance and Enhance More, the latter stated to possibly alter the original mix), pre-made selectable audio tracks (Amazon Dialogue Boost levels; SVT Enhanced Speech) and encoder-side parametric dialogue metadata (Dolby AC-4, producer reading). Record the mechanism and source before comparing them.

Curator qualifications: Partially verified: the curator re-read S21, S22; S23, S24, S26 were not re-read by the curator and rest on the producer's pinned reading. Curator GET 2026-10-23 of the sources not re-read (mechanical source evidence, not semantic verification): S23: HTTP 200, bytes equal to the producer pin; S24: HTTP 200, bytes equal to the producer pin; S26: HTTP 200, bytes differ from the producer pin. Pages read 2026-10-22; no playback or measurement. Dolby AC-4 white paper and BBC trial pages (S23, S26) from producer reading; Amazon gives no measurements.

Limitations: Pages read 2026-10-22; no playback or measurement.

Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

```json
{
  "citations": [
    {
      "url": "https://support.apple.com/guide/tv/change-audio-settings-atvba773c3c9/tvos",
      "note": "Apple Support tvOS: change audio settings (bytes equal pin); Amazon: Prime Video debuts Dialogue Boost (live; differs from pin)"
    },
    {
      "url": "https://www.aboutamazon.com/news/entertainment/prime-video-dialogue-boost",
      "note": "Apple Support tvOS: change audio settings (bytes equal pin); Amazon: Prime Video debuts Dialogue Boost (live; differs from pin)"
    },
    {
      "url": "https://professional.dolby.com/siteassets/technologies/dolby_atmos_ac-4_whitepaper.pdf",
      "note": "Apple Support tvOS: change audio settings (bytes equal pin); Amazon: Prime Video debuts Dialogue Boost (live; differs from pin)"
    },
    {
      "url": "https://arxiv.org/pdf/2208.08960",
      "note": "Apple Support tvOS: change audio settings (bytes equal pin); Amazon: Prime Video debuts Dialogue Boost (live; differs from pin)"
    },
    {
      "url": "https://www.salford.ac.uk/school-of-science-engineering-and-environment/salford-improves-audio-on-bbc-casualty",
      "note": "Apple Support tvOS: change audio settings (bytes equal pin); Amazon: Prime Video debuts Dialogue Boost (live; differs from pin)"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] 'Dialogue boost/enhance' labels cover different mechanisms: device-side processing (Apple tvOS Enhance and Enhance More, the latter stated to possibly alter the original mix), pre-made selectable audio tracks (Amazon Dialogue Boost levels; SVT Enhanced Speech) and encoder-side parametric dialogue metadata (Dolby AC-4, producer reading). Record the mechanism and source before comparing them. · locator: Apple Support tvOS: change audio settings (bytes equal pin); Amazon: Prime Video debuts Dialogue Boost (live; differs from pin) · source: https://support.apple.com/guide/tv/change-audio-settings-atvba773c3c9/tvos

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

Use this evidence:
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