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Kaleidescape: a research note

At a glance

Bit depth and bitrate alone cannot rank a download against a Profile 7 remux. The master, encode, metadata and output path must also be comparable.

Established starting point

The Strato installation guide describes 4K HDR/UHD downloads with 10-bit colour.1 This is a bounded statement about that documentation. It does not establish the format of every current title marketed as “4K Cinematic”.

Questions to resolve

Question Evidence needed
What exactly does 4K Cinematic designate? Dated primary product/format specification
Is the master the same as the UHD disc? Title, edition, grading and mastering provenance
What does the bitrate represent? Video or aggregate stream; average/peak; codec and duration
Are DV profile and chroma different? Actual format specification or attributable stream analysis
What does FEL add on the compared disc? Matched source, residual evaluation and capture
Is a difference visible? Controlled display comparison

A 10-bit version is not inherently worse than an unrelated 12-bit version. A different master or encode can dominate the result. No general Kaleidescape-versus-remux ranking is made here.

Test design · Open research


Reviewed 6 November 2026 · PRIMARY + OPEN · research note

Evidence policy · Sources


  1. S22. Check model and document version before generalising. ↩