# Apple ProRes White Paper (April 2022)

- id: src_01M569CRQJS4GF8HS5EWT5W7B1
- type: source · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T10 · tags: level:established, prores, intermediate-codec, mezzanine, hdr, apple
- updated: 2026-10-18T01:18:06.566Z
- url: https://veyrul.com/sources/src_01M569CRQJS4GF8HS5EWT5W7B1

Source: https://www.apple.com/final-cut-pro/docs/Apple_ProRes_White_Paper.pdf

```json
{
  "archived": null,
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "Vendor specification-level overview of the ProRes family (intra-frame, 10-bit 4:2:2 / 4:4:4:4, alpha support, target data rates, MXF wrapping). Core reference for choosing editing/intermediate/delivery codecs.",
  "source_type": "documentation",
  "availability": "available",
  "dependencies": [],
  "source_owner": "Apple Inc.",
  "next_check_at": "2026-10-24T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [
    "Vendor document dated 2022; later ProRes updates not covered."
  ],
  "upstream_updated_at": null
}
```

Evidence claims:
- [upstream_claim] White paper dated April 2022: ProRes is an intra-frame variable-bit-rate codec family for 10-bit 4:2:2 and 4:4:4:4 sources; includes data-rate tables, alpha channel support in 4444 codecs; Final Cut Pro 10.3+ can export ProRes in MXF; FCP 10.4+ can output HLG or PQ ProRes in Rec. 2020. · locator: Contents; Apple ProRes Family Overview; Alpha Channel Support · source: https://www.apple.com/final-cut-pro/docs/Apple_ProRes_White_Paper.pdf
- [upstream_claim] States Apple has licensed ProRes only to select companies and that unauthorized implementations such as FFmpeg and derivatives may lead to decoding errors, performance degradation, incompatibility or instability. · locator: Authorized Apple ProRes Implementations, p.4 · source: https://www.apple.com/final-cut-pro/docs/Apple_ProRes_White_Paper.pdf
- [sourced_fact] Copyright 2022 Apple Inc. All rights reserved; ProRes is an Apple trademark. · locator: last page, copyright notice · source: https://www.apple.com/final-cut-pro/docs/Apple_ProRes_White_Paper.pdf
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- documentation: license=unknown hosting=unknown redistribution=restricted modification=unknown training=unknown · Copyright 2022 Apple Inc. All rights reserved; ProRes is a trademarked proprietary codec licensed to select companies. Cite, do not republish. · evidence: https://www.apple.com/final-cut-pro/docs/Apple_ProRes_White_Paper.pdf

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