Brown Media File Specifications

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Thomas May edited this page Sep 24, 2025 · 4 revisions

Film Scan Preservation Master

35mm and 16mm

Source film format: 35mm and 16mm
Video bit depth: 10 bit
Resolution: 4K optical side overscan
Video codec: FFv1 v. 3 from DPX (via RAWcooked)
File wrapper: Matroska (.mkv) from DPX
Frame size: 4096 x 3000
Frame rate: Same as source
Pixel aspect ratio: 1.000
Audio bit depth: 24 bit
Audio sampling rate: 96,000 Hz
Audio codec: PCM/WAV
Audio channels: 2 channel
Color space: Linear RGB
Notes: Transcode to FFV1/MKV from DPX using RAWcooked

8mm and Super 8mm

Source film format: 8mm and Super 8mm
Video bit depth: 10 bit
Resolution: 2K optical side overscan
Video codec: FFv1 v. 3 from DPX (via RAWcooked)
File wrapper: Matroska (.mkv) from DPX
Frame size: 2560 x 1875
Frame rate: Same as source
Pixel aspect ratio: 1.000
Audio bit depth: 24 bit
Audio sampling rate: 96,000 Hz
Audio codec: PCM/WAV
Audio channels: 2 channel
Color space: Linear RGB
Notes: Transcode to FFV1/MKV from DPX using RAWcooked

Film Scan Mezzanine

Source film format: 35mm, 16mm, 8mm, and Super 8mm
Video bit depth: 10 bit
Resolution / Frame size: 2048 x 1556 (no pillar bars)
Video codec: ProRes 4444
File wrapper: QuickTime
Frame rate: Same as preservation master
Scan type: Progressive
Pixel aspect ratio: 1.000
Audio bit depth: 24 bit
Audio sampling rate: 48,000 Hz
Audio codec: PCM/WAV
Audio channels: Same as preservation master
Color space: 4:2:2

Video Preservation Master

Source film format: Analog SD video formats
Video codec: FFv1 v. 3
Video bit depth: 10 bit
Data compression: Lossless, intra-frame (GOP-1) only
File wrapper: Matroska (.mkv)
Frame size: Same as original media
Frame rate: Same as original media
Pixel aspect ratio: D1 NTSC (0.91) or PAL (1.09)
Slices: 24
Slicecrc: 1
Audio codec: PCM/WAV
Audio bit depth: 24 bit
Audio sampling rate: 48,000 Hz
Audio channels: Same as original media
Chroma subsampling: 4:2:2 YUV

Video Mezzanine

Source film format: Analog SD video formats
Video bit depth: 10 bit
Resolution / Frame size: Same as original media / preservation master
Video codec: ProRes HQ
File wrapper: QuickTime
Frame rate: Same as original media / preservation master
Scan type: Progressive
Pixel aspect ratio: D1 NTSC (0.91) or PAL (1.09)
Audio bit depth: 24 bit
Audio codec: PCM/WAV
Audio channels: Same as preservation master
Color space: 4:2:2