DNxHR Codec Bandwidth Specifications
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| Avid Knowledge Base | ||
| DNxHR Codec Bandwidth Specifications | ||
| DNxHR codec data rate for various frame rates. |
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Last Updated : April 13, 2015 Products Affected : ISIS, Media_Composer
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| How much storage bandwidth is required to playback DNxHR encoded material? |
Data rate required per stream of DNxHR for the specified frame rate
(in MB/sec)
| Resolution | Codec | Samples per line | Active lines per raster | Compressed bytes per frame | Data rate in MB/s for specified frame rate (exact value) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 23.976 | 25 | 29.97 | 50 | 59.94 | ||||||
| HD | DNxHR 444 | 1920 | 1080 | 1822720 | 41.68 | 43.46 | 52.10 | 86.91 | 104.19 | |
| DNxHR HQX | 1920 | 1080 | 909312 | 20.79 | 21.68 | 25.99 | 43.36 | 51.98 | ||
| DNxHR HQ | 1920 | 1080 | 909312 | 20.79 | 21.68 | 25.99 | 43.36 | 51.98 | ||
| DNxHR SQ | 1920 | 1080 | 602112 | 13.77 | 14.36 | 17.21 | 28.71 | 34.42 | ||
| DNxHR LB | 1920 | 1080 | 188416 | 4.31 | 4.49 | 5.39 | 8.98 | 10.77 | ||
| 2K | DNxHR 444 | 2048 | 1080 | 1941504 | 44.39 | 46.29 | 55.49 | 92.58 | 110.98 | |
| DNxHR HQX | 2048 | 1080 | 970752 | 22.20 | 23.14 | 27.75 | 46.29 | 55.49 | ||
| DNxHR HQ | 2048 | 1080 | 970752 | 22.20 | 23.14 | 27.75 | 46.29 | 55.49 | ||
| DNxHR SQ | 2048 | 1080 | 643072 | 14.70 | 15.33 | 18.38 | 30.66 | 36.76 | ||
| DNxHR LB | 2048 | 1080 | 200704 | 4.59 | 4.79 | 5.74 | 9.57 | 11.47 | ||
| UHD | DNxHR 444 | 3840 | 2160 | 7286784 | 166.61 | 173.73 | 208.27 | 347.46 | 416.54 | |
| DNxHR HQX | 3840 | 2160 | 3641344 | 83.26 | 86.82 | 104.08 | 173.63 | 208.15 | ||
| DNxHR HQ | 3840 | 2160 | 3641344 | 83.26 | 86.82 | 104.08 | 173.63 | 208.15 | ||
| DNxHR SQ | 3840 | 2160 | 2408448 | 55.07 | 57.42 | 68.84 | 114.84 | 137.67 | ||
| DNxHR LB | 3840 | 2160 | 749568 | 17.14 | 17.87 | 21.42 | 35.74 | 42.85 | ||
| 4K | DNxHR 444 | 4096 | 2160 | 7770112 | 177.67 | 185.25 | 222.08 | 370.51 | 444.16 | |
| DNxHR HQX | 4096 | 2160 | 3887104 | 88.88 | 92.68 | 111.10 | 185.35 | 222.20 | ||
| DNxHR HQ | 4096 | 2160 | 3887104 | 88.88 | 92.68 | 111.10 | 185.35 | 222.20 | ||
| DNxHR SQ | 4096 | 2160 | 2568192 | 58.72 | 61.23 | 73.40 | 122.46 | 146.81 | ||
| DNxHR LB | 4096 | 2160 | 798720 | 18.26 | 19.04 | 22.83 | 38.09 | 45.66 | ||
| Dual 1 GB ISIS connection required |
| 10 GB ISIS connection required |
| DNxHR Key | ||||
|---|---|---|---|---|
| Short Name | Long Name | Bit Depth | Chroma Sub-Sampling | Compression Ratio |
| DNxHR 444 | DNxHR 4:4:4 | 10 | RGB / 4:4:4 | 4.5:1 |
| DNxHR HQX | DNxHR High Quality (10 bit) | 10 | 4:2:2 | 5.5:1 |
| DNxHR HQ | DNxHR High Quality (8 bit) | 8 | 4:2:2 | 4.5:1 |
| DNxHR SQ | DNxHR Standard Quality | 8 | 4:2:2 | 7:1 |
| DNxHR LB | DNxHR Low Bandwidth | 8 | 4:2:2 | 22:1 |
For more ISIS-specific DNxHR storage information see ISIS Bandwith for DNxHR Material
For how this information relates to local storage devices see Local Storage Bandwidth Specifications