I wonder how long those portions of audio are. With portion length and bitrate there is some theoretical number of music samples that could be 'brute forced' t

I wonder how long those portions of audio are. With portion length and bitrate there is some theoretical number of music samples that could be 'brute forced' to cover the entire content ID space. I wonder if their snippets are long enough to make this an impossible number, or if this theoretical attack on Content ID could be put into practice.