If a 85 db reference theatrical mix is created, two complete sets of deliverables are required.For film content, DME separation should be maintained whenever possible. For all series/doc/unscripted/comedy content, beds and objects must be separated by Dialog, Music and Effects.A printmaster may utilize a composite of all bed material OR multiple beds, but not both. All beds and objects are encoded and will always be audible.For native Atmos ® mixes, the 5.1 and 2.0 rerenders must conform to Netflix loudness and Peak specification.Loudness and peaks should be measured via a 5.1 rerender. To achieve this, we recommend setting True Peak limiters on all beds and objects at -2.3 or lower. Peaks should generally not exceed -2dbfs True Peak.The most common monitoring levels for nearfield are 79db or 82db. The Dolby Atmos ® Dubbed Language Home Mix must meet the following requirements.
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The IMF vendor will sync Atmos ® in the IMF.
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Where project files other than Pro Tools are delivered, AAFs/OMFs should also be included, or all channels must be rendered to continuous PCM audio.įor all titles, 5.1 audio is required and 2.0 is optional. Printmasters, M&Es and stems may include standard 8 second Academy leader and 2-pops.Ĭontent Hub deliveries may be discreet audio files alone, within folders or within Pro Tools session folders also containing sessions. Alternate/Dubbed Language and Audio Description Mixes must not contain an additional leader. All audio must sync to the final IMF/Prores picture delivery. All audio deliverables should match the camera and picture post production frame rate. bwav files.Īudio must be recorded in sync to picture at native project frame rate. Audio must be standard or RF64 discrete LPCM. Lossy or lossless audio compression is never allowed. The only exception is Alternate Language (Dubbed) audio deliveries made to Backlot.Ĥ8k/24-bit for Original Language Mix or M&E Mix - applies to Stems & Mix Masters.Ĥ8k/16-bit or 24-bit for Secondary Language or Audio Description.
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Audio should be measured over the full program according to ITU-R BS.1770-1 guidelines.ĭiscrete audio is required, except when muxed is inherent to the source, as when audio is delivered via IMF, Quicktime or Atmos ® BWAV ADM. 1 Nearfield Audio Prerequisites for Mix FacilitiesĢ.1 Near Field Atmos® Mix - Mastering and Archive - Original Language VersionĢ.2 Near Field Atmos® Mix - Mastering and Archive - Dubbed Languages & Audio DescriptionĢ.3 Near Field 5.1 Surround Mix - Mastering and Archive - Original Language Version from Production, Dubbed Languages and Audio DescriptionĢ.4 Near Field 2.0 Stereo Mix - Mastering and Archive - Original Language Version from Production, Dubbed Languages and Audio DescriptionĤ.1 Dialog-Gated Loudness and Loudness Rangeġ Near field Audio Prerequisites for Mix FacilitiesĪverage loudness must be -27 LKFS +/- 2 LU dialog-gated.