V 2.0 August 10 2021
Note: These are the recommended specifications for uploading 1080p video into CORE.
Video not matching these specs may take longer to be playable or may have difficulty processing.
Processing Times
Times depend on the video codec and length of the source file. If it was a h264 with aac audio it would be playable in a couple of minutes. If it transcodes from source to a 1920x1080 proxy before the file can be played, it would generally process at a rate of 4x real time. So a 2-hour movie would take 25-30 mins to create a playable proxy.
Proxy Playback Information
HD Proxy playback will be at a rate for 5 Mb/sec.
Parameter | Spec |
Video Resolution | HD 1920x1080 SD 1280x720 |
Data Rate | 5000 kb/s or 5Mb/s |
Frame Rate | Same as source |
| Progressive Streaming Fast Start |
Encoding Profile | High |
Pixel Aspect Ratio | Square |
Color Space ITU | Rec-709 (sRGB LUT) |
Compression Type | H.264 |
Container Format | Quicktime (.mov) |
Encoding | Faster encode (single pass) |
Audio Format | AAC |
Audio Bit Rate | 192 kbit/s |
Video Resolution - Optimized Video Resolution setting for CORE at 1920 x 1080.
Data Rate - Optimized Data Rate at 5000 kb/s or 5 Mb/s. If the Data Rate is higher than the spec mentioned will result in longer delays for the video to be playable on CORE.
Rate - Frames Rates will be the same as source. It is preferred to be 24 frames per second.
Encoding Profile - High - The High profile supports high definition files.
Pixel Aspect Ratio - (often abbreviated PAR) is a mathematical ratio that describes how the width of a pixel in a digital image compares to the height of that pixel. CORE requires the square pixels type.
Color Space ITU - Color spaces are mathematical models describing the way colours can be represented. CORE specs recommend Rec. 709 or sRGB LUT.
Compression Type - CORE uses the H.264 compression type. H.264 is the well-known video compression standard for high-definition digital video (Also known as MPEG-4 Part 10 or Advanced Video Coding (MPEG-4 AVC).
Container Format (Wrapper) - CORE’s recommended container format is .MOV (quicktime). A container format is a type of file format that contains various types of data compressed by standardized codecs.
Encoding Audio Format - CORE’s recommended Encoding Audio Format is AAC. An encoding Audio format is a content representation format for storage or transmission of digital audio.
Audio Bit Rate - CORE’s recommended Audio Bit Rate is 192kbit/s or below.