TOD is a binary video format developed by JVC for its tapeless cameras. Apart from JVC, TOD format is also used on standard camera brands such as Canon and Panasonic. It is used to store information into random-access media and uses MPEG-2 video codec compression. Also, TOD files can have an aspect ratio of 16:9 and 4:3.
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M4A is a filename extension for AAC container format and is developed by Apple Inc. M4A music is bought on the iTunes Store and does not come with DRM protection. In terms of quality, M4A is better than MP3 because it is lossless but still compressed. This means that it occupies less storage space and doesn’t lose quality over time.
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