Deliverable Requirements v2.0

The Dolby Atmos Home Mix must meet the following requirements.

• At a minimum, must be mixed in a 7.1.4 room
• Dolby Certification is not required for Home Atmos mix rooms
• This is a nearfield mix. The most common monitoring levels for nearfield are 79db or 82db.
• Must conform to Netflix loudness spec (-27db LKFS +/- 2 LU 1770-1 dialog-gated).
• Peaks must not exceed -2dbfs True Peak. To achieve this, we recommend setting True Peak limiters on all beds and objects at -2.3 or lower. Loudness and peaks may be measured via a 5.1 rerender.
• For native Atmos mixes, the 5.1 and 2.0 rerenders must conform to Netflix loudness and Peak specification.
• All beds and objects are encoded and will always be audible. A printmaster may utilize a composite of all bed material OR multiple beds, but not both.
• For all series/doc/unscripted/comedy content, beds and objects must be separated by Dialog, Music and Effects. For film content, DME separation should be maintained whenever possible.
• If a 85 db reference theatrical mix is created, two complete sets of deliverables are required. One for theatrical, one for nearfield.
• Atmos files shall match final IMF picture length exactly as long-play and not separate reels. Leader and sync pop shall be removed.
• FFOA must be left at default - leave “Add FFOA” box unchecked. For pre-3.0 renderer software, leave red dashes in FFOA value.

For Distribution

• Final Home Theater Print Master
  • Single or multiple LCR, 5.0, 5.1, 7.1 or 7.1.2 bed(s)
  • Tracks 11-128 may be used for Objects or beds
  • 48 kHz, 24 bit
• Dolby Atmos BWAV ADM File

 

• Mix Minus Narration (when applicable)
  • Single or multiple LCR, 5.0, 5.1, 7.1 or 7.1.2 bed(s)
  • Tracks 11-128 may be used for Objects or beds
  • 48 kHz, 24 bit
• Dolby Atmos BWAV ADM File

For Localization

• Music & Effects mix
  • Single or multiple LCR, 5.0, 5.1, 7.1 or 7.1.2 bed(s)
  • Tracks 11-128 may be used for Objects or beds
  • M&E Options stems as separate WAV file(s)
  • Channel mapping must match the bed(s) of the M&E mix
  • 48 kHz, 24 bit
• Dolby Atmos BWAV ADM or Pro Tools Recorder session

For Archive

• All deliverables should be conformed and synced to the final picture as long-play
• Final Home Theater Printmaster DAMF (Dolby Atmos Master File)
  • Components of DAMF are:
    • .atmos file
    • .audio file
    • .metadata file
• Tracks should be grouped / associated to Dialogue, Music and Effects stems
• Single or multiple LCR, 5.0, 5.1, 7.1 or 7.1.2 bed(s)
• Mix Minus Narration DAMF (Dolby Atmos Master File) (when applicable)
  • Components of DAMF are:
    • .atmos file
    • .audio file
    • .metadata file
• Tracks should be grouped / associated to Dialogue, Music and Effects stems
• Single or multiple LCR, 5.0, 5.1, 7.1 or 7.1.2 bed(s)
• Pro Tools Atmos full mix session (if requested)
• Theatrical Dolby Atmos MXF used for DCP

Change Log History

Change Log v2.0

Changes from v1.9

 

1. General

• Removed Atmos Stem requirement
• Added requirement for series content to maintain DME separation
• Added requirement that FFOA box remain unchecked & additional context
• Added Pro Tools option for M&E delivery
• Removed M&E DAMF Requirement

Change Log v1.9

Changes from v1.8

 

1. General

• Clarified that Tracks 11-128 may be used for beds or objects
• Recommended measurement via 5.1 rerender rather than 7.1
• Removed channel layouts as assignments are determined by renderer
• Changed loudness spec to 1770-1 dialog gated -27 LKFS
• Advised use of True Peak limiters set to -2.3
• Allowance for LCR and 5.0 beds added
• Removed requirement to edit metadata to 00:00 start
• Removed Pro Tools Atmos recorder file requirement

Change Log v1.8

Changes from v1.7

 

1. Loudness & Peak Requirements

• Specified Atmos as a Nearfield deliverable that must meet average loudness and peak audio requirements.

 

1. Theatrical mix deliverables

 

• Added language that two full sets of deliverables are required for Theatrical Atmos mixes