Tech Tip - Netflix Content Encoding
High bitrate and high quality format for Netflix
The PixelTools PC HD encoders ExpertHD and MPEGRepairHD can encode an AVI or MOV file or a sequence of TGA, BMP or YUV frames into a Netflix Version A-4-4 compliant High Definition (HD) or Standard Definition (SD) MPEG-2 stream. Netflix requires this high bit-rate and high quality format for delivery to their service for re- distribution. The HDProQT QuickTime export component, available for Mac and PC, and can also export Netflix deliverable streams from any Mac or PC application that recognizes QuickTime components such as Adobe AfterEffects, Final Cut Pro, and the Mac QuickTime Pro Player.
Creating the Netflix Video on MS Windows
Download the file PtNetflix.zip file to obtain configuration settings (ini files) that configure ExpertHD and MPEGRepair to generated HD or SD streams. The PtNetflix.zip file also includes screen shots of compliant configuration options for HD and SD when using the PC HDProQT QuickTime Export.
To encode Cable Labs content using MPEGRepairHD or ExpertHD, select the “Base Encoding Profile | Load Custom ini file” option as depicted below. Select the appropriate ini file from the PtNetflix.zip file to configure the tool to appropriateNetflix settings. Select your Encode Input and Encode Output files and depress the Control Encode | Run button to start the processing. The encoder should compress your source video and then multiplex the video with your encoded audio per the Netflix specifications. Note that Netflix allows a variety of bit-rates and frame type combinations. Refer to the Specification below.
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Creating the Netflix Video on Mac
To encode Netflix content using the HDProQT on Mac or PC, select the PixelTools HD MPEG Export option. Depress the “Options” button and then “Load Ini” button. Select the appropriate configuration (.ini file). The dialog settings should appear as below. Note that Netflix allows a variety of bit-rates and frame type combinations. Refer to the Specification below.
HD 720 |
HD 1080 |
Netflix NTSC (From HD480) |
Netflix PAL (From HD720) |
Specification
PixelTools HD encoders comply with Netflix Digital Source Specification and Delivery Requirements Version A-4-4 dated November 13, 2011.
HD Video
1920 x 1080 frame size
1280 x 720 frame size
80 mbps
I frame only
High Profile
High Level
Aspect 1:1
Chroma 4:2:2
Intra DC Precision 10 bits
Frame Rate
23.976 progressive
25.00 progressive
25.00 interlaced
29.97 progressive
29.97 interlaced
59.94 progressive
Aspect 1:1
4:2:2
I Frame only
SD Video
720x480 frame size
720x576 frame size
50 mbps
I frame only
High Profile
High Level
Aspect 1:1
Chroma 4:2:2
Intra DC Precision 10 bits
Frame Rate
23.976 progressive
25.00 progressive
25.00 interlaced
29.97 progressive
29.97 interlaced
Audio
MPEG Layer1
48KHz
448 kbps
Multiplexing
Transport Stream
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