Hard-core users, on the other hand, may be interested in Plus for the higher quality and file conversion capabilities.

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This might be down to the fact that users are increasingly becoming irritated by the number of advertisements and the file quality available with such services, said Jupiter Media analyst Dan Stevenson.

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Apt-X is a unique codec that reproduces robust sound that's true-to-life, providing CD quality audio, regardless of file compression encoding.

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These next-generation cameras will produce photos of unprecedented quality, and the large file sizes can quickly overwhelm a CompactFlash memory card's data-transfer rates and halt shooting.

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Pic Mail uses advanced video compression techniques to compress the file without loss of video quality or audio.

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This means the music is transferred bit-by-bit, preserving the original file format to recreate crisp sound quality.

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In addition to the better recording quality, the Plus version can also convert file types, and has a more robust database.

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Over the longer term, file sizes will only continue to grow as preferences for higher quality media files proliferate.

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Kobo supports ePUB file formats including rich text and images, offering a top-quality reading experience.

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It was ripped from an AVCHD file to H.264, so there's been some generational quality loss, but you'll get an idea of the colors and the motion.

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