mp4_aac_vbr_128_96_v34_10_a16_22_m.3gp
mp4_aac_vbr_128_96_v54_10_a16_24_m.3gp
mp4_aac_vbr_128_96_v96_15_a24_22_s.3gp
mp4_aac_vbr_128_96_v128_20_a32_44_m.3gp
mp4_aac_vbr_128_96_v152_25_a48_32_s.3gp