Man pages matching name gst-typefind-1.0 in section 1:

gst-typefind-1.0.1.en	debian 10 / gstreamer1.0-tools
gst-typefind-1.0.1.en	debian 11 / gstreamer1.0-tools
gst-typefind-1.0.1.en	debian 12 / gstreamer1.0-tools