mp4_aac+_vbr_128_96_v34_10_a16_44_m.3gp
mp4_aac+_vbr_128_96_v54_10_a16_48_m.3gp
mp4_aac+_vbr_128_96_v96_15_a24_44_s.3gp
mp4_aac+_vbr_128_96_v158_20_a32_32_m.3gp
mp4_aac+_vbr_128_96_v202_25_a48_48_s.3gp