ffmpeg -i "/home/00064.MTS" -b 8500k -vcodec wmv2 -s 1024x576 -acodec wmav2 "/home/00064.wmv"

oppure

ffmpeg -i "/home/00064.MTS" -b 8500k -vcodec wmv1 -s 1024x576 -acodec wmav1 "/home/00064.wmv"