Hello, Marius Bakke writes: > Maybe you need to add $out/lib/gstreamer-1.0 to the wrapped > GST_PLUGIN_SYSTEM_PATH variable. Currently it will only get wrapped > with the gstreamer plugins added as inputs, and not itself, IIUC. That was it. Thank you! Here are the patches, now for real submission. I'm not sure about the location for parlatype. I added it to "speech.scm" because it is mainly used for audio transcription, but it can read any audio file. It has apparently some video support, too, but I didn't try (and it may be missing some plugins). Regards, -- Nicolas Goaziou