Delivery Team
QC & Platform Delivery
Netflix's Delivery Standards
Netflix maintains some of the most detailed and thoroughly documented technical delivery specifications in the content industry. Their requirements span image format, colour space, audio configuration, subtitle format, metadata, and file packaging — all of which must be verified before a submission is accepted.
The primary image delivery format for Netflix originals and acquisitions is IMF (Interoperable Master Format), an SMPTE standard that packages picture, audio, and timed text as a structured, editorialised asset. IMF allows Netflix to manage versioning, localisation, and format adaptations from a single master. For shorter content (under 30 minutes) or legacy deliveries, Netflix also accepts individual component files in specified formats.
Understanding Netflix's requirements early in production — ideally during pre-production — avoids costly revisions at the delivery stage. The delivery team at Trisha Studios works with Netflix specifications daily, and we recommend involving us in the delivery planning conversation before principal photography is complete.
Image and Colour Requirements
Netflix currently accepts deliveries in Rec.2020 PQ (Dolby Vision / HDR10) and Rec.709 (standard dynamic range). For originals and prestige acquisitions, Dolby Vision is strongly preferred and often required. The Dolby Vision deliverable must be created by a Dolby Vision certified facility using the Dolby Vision mastering workflow — not created after the fact from an HDR10 master.
Resolution requirements depend on the acquisition format: Netflix requires a minimum of 4K acquisition for original features and series. However, the deliverable resolution depends on the DI pipeline — a 4K acquisition graded in a 2K DI pipeline produces a 2K deliverable, which Netflix accepts.
Cadence must match the creative intent: 23.976 fps for most narrative content, 25 fps for productions acquired in PAL territories, 29.97 fps for some broadcast-originated content. Frame rate issues are among the most common technical rejections — this must be confirmed and locked before the DI begins.
Audio Requirements
Netflix requires Dolby Atmos for all feature films and most series produced to their originals standard. The Atmos master must be delivered as a Dolby Atmos Master file (DAMF) along with the 5.1 and 2.0 stems. All audio must be integrated loudness normalised to -14 LUFS in accordance with EBU R128.
Dialogue normalisation is checked by Netflix QC tools during submission — if the integrated loudness is outside the acceptable range, the submission is rejected automatically. This is a common and easily avoidable failure: the re-recording mixer must measure loudness on the final mix before delivery.
For localised versions (dubbed audio), Netflix requires the same delivery format as the original language — Atmos or 5.1 depending on the contract specification. This affects production planning: dubbing studios need to be briefed on the technical specification.
Subtitles, Metadata, and Packaging
Netflix accepts subtitles in IMSC (Internet Media Subtitles and Captions) format for IMF deliveries, and in TTML format for component deliveries. Subtitles must have accurate timecodes, correct language codes, and conform to Netflix's subtitle style guide. Off-specification subtitles are among the most frequent causes of partial rejections.
Metadata requirements include content rating, language tags, episode numbering, cast and crew credits, and a content advisory declaration. Missing or incorrect metadata causes the submission to be held pending correction.
The IMF package must be validated using an IMF validator before submission — Netflix runs automated validation on receipt, and a malformed IMF package is rejected immediately. Validation should be part of the QC process at the facility, not something discovered on the submission portal.
Common Questions
How early should we involve a post facility in Netflix delivery planning?
At the latest, before shooting begins — to confirm the camera, frame rate, colour science, and audio production format are compatible with Netflix delivery. Ideally, bring the delivery team into the conversation during pre-production, after the production is greenlit.
What causes the most common Netflix submission rejections?
In our experience: audio loudness out of specification, incorrect colour space metadata, missing or malformed IMF packaging, subtitle format issues, and frame rate inconsistencies. All of these are preventable with a rigorous QC process before submission.
Can Trisha Studios handle the full Netflix delivery workflow?
Yes. From IMF creation and Dolby Vision mastering to Atmos packaging and submission QC, we manage the complete Netflix delivery pipeline. We are familiar with Netflix's current specification requirements and the practical issues that arise during submission.
Netflix Delivery. Done Right.
From IMF creation to Dolby Vision mastering and Atmos packaging — Trisha Studios manages the complete platform delivery pipeline.
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