mp4_aac_128_96_v64_12_a16_24_m.sdp
mp4_aac_128_96_v220_15_a32_22_s.sdp
mp4_aac_128_96_v260_20_a48_32_s.sdp
mp4_aac_128_96_v320_25_a48_44_m.sdp
mp4_aac_128_96_v384_30_a128_48_s.sdp
mp4_aac_vbr_128_96_v34_10_a16_22_m.sdp
mp4_aac_vbr_128_96_v96_15_a24_22_s.sdp