The firmware patches have been created with the bsdiff 4.3 utility.

If it's not available on your system, you can find the source code in the
contrib directory.

To create a patched firmware:

bspatch <org-firmware> <patched-firmware> <patch-file>

Here are the MD5sums of the patched firmware for reference:

b8739c1e9321ff422821349ac69e4cc0  2623-f3/dvb-ttpci-01.fw
7bd1dd275236c6a566388cf2d5c4122d  2624-fe/dvb-ttpci-01.fw
6c7ff1192b1dec1a38e5d32c05249fc8  2624-fc/dvb-ttpci-01.fw
