mp4_amr_wb_320_240_v87_10_a13.sdp
mp4_amr_wb_320_240_v116_15_a14.sdp
mp4_amr_wb_320_240_v230_20_a20.sdp
mp4_amr_wb_320_240_v336_30_a24.sdp
mp4_amr_wb_vbr_320_240_v184_15_a16.sdp
mp4_amr_wb_vbr_320_240_v280_25_a20.sdp