mp4_aac+_vbr_320_240_v104_10_a16_48_m.3gp
mp4_aac+_vbr_320_240_v146_15_a24_32_s.3gp
mp4_aac+_vbr_320_240_v196_15_a24_32_m.3gp
mp4_aac+_vbr_320_240_v246_20_a24_44_s.3gp
mp4_aac+_vbr_320_240_v308_25_a32_44_m.3gp
mp4_aac+_vbr_320_240_v374_30_a48_48_s.3gp