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The APNG specification follows the PNG File format introducing three new ancillary chunks: [11]. The animation control chunk (acTL) precedes the IDAT(s) of the default image and is a kind of "marker" that this is an animated PNG file.
An APNG (animated PNG) file (displays as static image in some web browsers) The core PNG format does not support animation. MNG is an extension to PNG that does; it was designed by members of the PNG Group. MNG shares PNG's basic structure and chunks, but it is significantly more complex and has a different file signature, which automatically ...
APNG (for "Australia Papua New Guinea") is a submarine telecommunications cable system in the Coral Sea linking Australia and Papua New Guinea. It has landing points in Cairns, Queensland, Australia and Port Moresby, Papua New Guinea. It is an analogue coaxial copper cable with a capacity of 480 channels at 5 MHz each, giving a data rate of 16 ...
The structure of MNG files is essentially the same as that of PNG files, differing only in the slightly different signature (8A 4D 4E 47 0D 0A 1A 0A in hexadecimal, where 4D 4E 47 is ASCII for "MNG" – see Portable Network Graphics: File header) and the use of a much greater variety of chunks to support all the animation features that it provides.
The APNG-2 submarine communications cable was constructed to link Papua New Guinea directly to Australia and indirectly to New Zealand and the rest of the world, and has been in service from late 2006. The new cable is a collaboration between Telikom PNG, Telstra (in Australia), and Telecom New Zealand.
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WebP is a raster graphics file format developed by Google intended as a replacement for JPEG, PNG, and GIF file formats. It supports both lossy and lossless compression, [8] as well as animation and alpha transparency.
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