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Video size limit on Android tablets
As the convenience of the post-PC era, watching movies on your tablets are enjoyable. You do not need to sit in front of your desktop computer or disc player. A tablet in your hand allows you to enjoy movies any time and anywhere.
I understand your desire to watch HD movies on Xoom or Galaxy Tab. The performance of the popular Android tablets are good enough to meet most demands. However, tablets are not able to support all HD movies due to the hardware limit. As for Motorola Xoom or Samsung Galaxy Tab, the video files which are larger than 4GB may not be played, even if their formats or codecs are originally supported. There are two main limitations: The processor and the storage format.
The Android tablets are mostly powered by NVidia Tegra 2 processor, which are in 32-bit ARM structure. In computer architecture, 32-bit integers, memory addresses, or other data units are those that are at most 32 bits (4 octets) wide. Also, 32-bit CPU and ALU architectures are those that are based on registers, address buses, or data buses of that size. 32-bit is also a term given to a generation of computers in which 32-bit processors are the norm.
The range of integer values that can be stored in 32 bits is 0 through 4,294,967,295. Hence, a processor with 32-bit memory addresses can directly access 4 GB of byte-addressable memory. Therefore, tablets with NVidia Tegra 2 chips can only process video files no larger than 4GB. We have to expect for the next-generation ARM chips in 64-bit for a larger file support.
The limit of storage format is based on the defiance of Windows and Linux. Known by all that personal computers are mostly on the operating system of Microsoft Windows, which formats the hard disc as FAT32 or NTFS, while Linux are on exFAT. Both FAT32 or exFAT are extended from the standard FAT format, on which has a file size limitation of 2GB. Therefore, files smaller than 2GB can be transferred between the two types of storage without any problem, while larger files may cause a corruption. Android is an operating system with a Linux core and tablets of Android has an internal storage of exFAT. This is the reason why we are not able to play movies larger than 2GB after we transfer them from PC to tablets. Currently, the 4GB size limit is beyond solving, but we are still able to transfer movies larger than 2GB to Xoom or Galaxy Tab or other tablets via a network protocol, which does not cause a file corruption.
Hope this article Video size limit on Android tablets helps. Thanks for reading.
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