ffmpeg -y  -probesize 2147483647 -analyzeduration 2147483647 -i public/sdps/audio-only.sdp -acodec mp3 -b:a 22k stream/newfile.mp3


v=0
o=- 0 0 IN IP4 45.55.45.79
s=Audio Only
c=IN IP4 45.55.45.79
t=0 0
m=audio 44877 RTP/AVP 111 97 96 0
a=mid:audio
a=recvonly
a=rtpmap:111 opus/48000/2
a=rtpmap:97 PCMU/44100/1
a=rtpmap:96 VP8/90000
a=rtpmap:0 PCMU/8000