for camera = [1 3]
    utterance = 1;
    for seq_id = 1861:1958
        fname = sprintf('utt%dstrip_%d_small_%d.avi', utterance, seq_id, camera);
        str = sprintf('!seqtoavi %d %d -h %s', seq_id, camera, fname)
        eval(str);
        utterance = utterance + 1;
    end
end