Upscale 720p To 1080p
Currently, the objective of the upscale from 720p to 1080p is to enjoy an improved bitrate encoding (4) on YouTube videos (5). This enhancement improves the user experience in the aforementioned platform (6) and for others as well (3). The same can be said about the improvement in bitrate encoding when upscaling from 1080p to 1440p (2), or the enhancements from 1440p upwards (1)
YouTube has equivalences defined between video format and bitrates. In the case of footage in 720p, it is convenient an upscale 720p to 1080p because the bitrate is capped at 9.5 Mbps with 720p and at 15 Mbps with 1080p.
However, artifacts can appear as an outcome of the upscale. Furthermore, it can happen that the aspect ratios do not match and we will encounter black spaces on the screen. Likewise, if the adjustment of the aspect ratio is performed automatically, there will be compression or stretching of the image that will be a severe distortion of the image.
Pros And Cons
Pros And Cons Of The Upscale 720p To 1080p
- Improves bitrate encoding for YouTube videos.
- An audio codec may work better in 1080p (256 Kbps)
- Rendering and conversion takes more time and more storage.
- Upscaling a digital asset does not add more information than the one available in the native format.
- Artifacts can appear as an outcome of the upscale.
- If both aspect ratios do not match, there will be blank areas in the uncovered screen real estate.
- If the mismatched aspect ratio is automatically adjusted, the image will become distorted as a result of the compression or the stretching required in the adjustment.
Upscale 720p To 1080p And Bitrate Encoding In YouTube
In other situations apart from YouTube, the upscale of a digital asset from 720p format to 1080p does not improve the output quality.
Upscale 720p to 1080p format will not add more information to the new format because it will not have more information than the one available in the native 720p digital asset.
If you watch a video recorded in 720p in a 1080p display, such as the Pioneer Kuro TV, the quality will not be improved. All TVs and monitors are able to adapt to the native format of the video, but this does not improve the quality of the original 720p.
Step by Step Upscale
To upscale 720p to 1080p, you can use Wondershare Uniconverter, and you do not need the Pro version to do it. Le´s see step by step how to do it in a few clicks.
Go to the “Convert” option in the Dashboard and press at the left “Add Files”
After pressing “Add Files”, you will be prompted to your computer folders where you will simply select the files you want to convert.
Once you have the files selected, we have to select the destination format, that will be 1080p.
Nos, just press the violet button “Convert All”.
The process requires a few minutes depending on the conversion, and moreover, depending on the size of the files to upscale.
In the comments of the forum, there was a confusion in terminology between bitrates and bitstream. Bitstream is related to audio. Please read what bitstream is here where the concept is explained thoroughly.
So, I do not recommend you to upscale, as I have not noticed advantages, apart from the case when you upload to YouTube in a higher quality to enjoy an improved bitrate encoding.
Artifacts can appear as an outcome of the upscale.
If both aspect ratios do not match, there will be blank areas in the uncovered screen real estate. or the image will become distorted as a result of compression or stretching in the direction utilized to cover the blanks.
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