A standard MIDV-699 file might be a compressed echo—adequate for reference, but lossy. A "high quality" iteration, however, implies a direct lineage from the source master. Think of it as the difference between a photocopy of a painting and the original canvas under gallery lighting. High fidelity means no macro-blocking in shadow transitions, no chroma subsampling that muddles fine texture, and an audio track (if applicable) that preserves the original dynamic range without aliasing. It is the file as the authoring system intended.
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