| to check if the server works - https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice | |
| stun: | |
| stun.l.google.com:19302, | |
| stun1.l.google.com:19302, | |
| stun2.l.google.com:19302, | |
| stun3.l.google.com:19302, | |
| stun4.l.google.com:19302, | |
| stun.ekiga.net, | |
| stun.ideasip.com, |
Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma
You can get the list of supported formats with:
ffmpeg -formats
Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz: