I have some important metadata information in the UserComment field of the EXIF header of a PNG image. I am trying to retrieve a readable text, but I don't know what is the current encoding.
<exif:UserComment>
<rdf:Alt>
<rdf:li xml:lang="x-default"> FM0 FC000000000:zzzzzz1 f144 078043881a29e1e816c14c0 bac 87152 a9 012c a3 0106 a8 0 e0 b1 0 ba bc 0 94 d1 0 6e 102 0 48 155 0 22 1af 0 36 12f 0 3f 13f 0 48 19f 0 51 1b6 0 48 18d 0 48 18d 0..........................................................................................................................................................................................................................................................................................</rdf:li>
</rdf:Alt>
</exif:UserComment>