mp4_aac+_vbr_320_240_v104_10_a16_32_m.3gp
mp4_aac+_vbr_320_240_v146_15_a24_32_s.3gp
mp4_aac+_vbr_320_240_v186_15_a24_44_m.3gp
mp4_aac+_vbr_320_240_v228_20_a32_44_s.3gp
mp4_aac+_vbr_320_240_v268_25_a32_48_m.3gp
mp4_aac+_vbr_320_240_v292_30_a48_48_s.3gp