mp4_amr_vbr_320_240_v80_10_a12.3gp
mp4_amr_vbr_320_240_v118_15_a12.3gp
mp4_amr_vbr_320_240_v188_15_a12.3gp
mp4_amr_vbr_320_240_v248_20_a12.3gp
mp4_amr_vbr_320_240_v308_25_a12.3gp
mp4_amr_vbr_320_240_v368_30_a12.3gp