Difference between revisions of "Arcane University:File Compression for Xbox"
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This page details methods to reduce file size of assets so that a mod's total repository size more comfortably fits within the Xbox system mod space limitations. Credits go to Snipey360, who was invaluable in reducing Bruma's size on consoles from 3.8 gigabytes to 2.3 gigabytes. | This page details methods to reduce file size of assets so that a mod's total repository size more comfortably fits within the Xbox system mod space limitations. Credits go to Snipey360, who was invaluable in reducing Bruma's size on consoles from 3.8 gigabytes to 2.3 gigabytes. | ||
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+ | '''Before applying any of the methods detailed on this page, be sure to utilize the build cleaning methods found at [[Build Cleaning]].''' The methods there can and be should applied to both PC and Xbox mods for user convenience, and can cause significant file reduction without any loss in quality. The methods here will reduce asset quality to reduce file size, and as such are not recommended for PC where file size is not as pressing of a concern. | ||
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== Xbox Limitations == | == Xbox Limitations == | ||
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Not all Xbox limitations are bad news, however. Some of Xbox's other limitations can be used to the advantage of a mod author who wishes to minimize file size. For instance, Xbox versions of Skyrim play audio at 48kbps. As such, any files with higher quality audio will be automatically be reduced in quality when played in game. Thus, reducing quality to 48kbps is essentially a lossless way to reduce file size on the platform. | Not all Xbox limitations are bad news, however. Some of Xbox's other limitations can be used to the advantage of a mod author who wishes to minimize file size. For instance, Xbox versions of Skyrim play audio at 48kbps. As such, any files with higher quality audio will be automatically be reduced in quality when played in game. Thus, reducing quality to 48kbps is essentially a lossless way to reduce file size on the platform. | ||
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Latest revision as of 11:05, 29 October 2024
This page details methods to reduce file size of assets so that a mod's total repository size more comfortably fits within the Xbox system mod space limitations. Credits go to Snipey360, who was invaluable in reducing Bruma's size on consoles from 3.8 gigabytes to 2.3 gigabytes.
Before applying any of the methods detailed on this page, be sure to utilize the build cleaning methods found at Build Cleaning. The methods there can and be should applied to both PC and Xbox mods for user convenience, and can cause significant file reduction without any loss in quality. The methods here will reduce asset quality to reduce file size, and as such are not recommended for PC where file size is not as pressing of a concern.
Xbox Limitations[edit]
The most well known limitation imposed by Skyrim: Special Edition on Xbox consoles (Xbox One, Series X, and Series S) is the 5 GiB total mod limit. Additionally, the size of any single mod can be a maximum of 1 GiB. A mod's size consists of both its BSAs and .esm/.esp files. For this reason, when packing BSAs it is important to first consider the size of the .esm/.esp file it will be paired with. With large mods, repositories should be split to maximize the assets in each BSA that come with each .esm/.esp. Each mod may have two BSAs, a standard and a - Textures BSA. Dummy .esms may be needed to ensure that all BSAs are loaded, as bethesda.net requires that each BSA file has a corresponding .esm/.esp file with the same name. Xbox BSAs must be named with _xbox appended as a suffix (BSHeartlands_xbox.bsa and BSHeartlands_xbox - Textures.bsa, for example), but otherwise are identical to standard .BSA files. Renaming a .BSA file to add this suffix does not create issues with the file.
Not all Xbox limitations are bad news, however. Some of Xbox's other limitations can be used to the advantage of a mod author who wishes to minimize file size. For instance, Xbox versions of Skyrim play audio at 48kbps. As such, any files with higher quality audio will be automatically be reduced in quality when played in game. Thus, reducing quality to 48kbps is essentially a lossless way to reduce file size on the platform.
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