Table 1. Recognition results for both nut cracking and buttress drumming.

We provide a baseline (random), which shows the chance performance of a random classifier. Bold indicates the highest performing method for the task.

Task	Method	Average precision
		Nut cracking	Buttress drumming
I. Scene level	Random	0.09	0.11
	Audio	0.85	0.87
II. Individual level	Random	0.12	0.13
	Audio	0.30	0.81
	Visual	0.76	0.64
	Audiovisual	0.77	0.86