Thanks for getting back. I was trying to insert a flag for noise reduction into the command above but it always seemed to crash the moment I ran it. Part of my question is what the correct format would be.
On Sun, 20 Feb 2022 at 11:12, Paul B Mahol <[email protected]> wrote: > On Sun, Feb 20, 2022 at 12:03 PM Julian Pilfold-Bagwell < > [email protected]> wrote: > > > Hi All, > > > > > > I'm trying to set up a tannoy system in our building using FFMPEG and > > Icecast. The server that is streaming is being fed from the 0db > recording > > output from an analogue amplifier that is wired up to an existing 100v > > system and at the receiving end are PCs with active speakers fitted. > > > > The problem that I have is that when there's no audio input to the > tannoy, > > there's a background noise that is intrusive enough to play out through > the > > speakers. I've been trying to use the noise reduction features in FFMPEG > > to reduce the noise but haven't managed to get rid of it. The command > I'm > > running to run the system is: > > > > What noise reductions you tried? > > > > > > /usr/bin/ffmpeg -f alsa -i hw:0,0 -acodec libmp3lame -ab 128k -ac 1 > > -content_type audio/mpeg -f mp3 icecast://source:<password-removed>@ > > 172.20.0.75:8000/tannoy > > > > > > Can anyone let me know if this is possible or if there's any way I could > > implement something akin to a radio squelch that would just mute the > output > > when the input signal drops below a certain level. > > > > > > Thanks in advance, > > > > > > Jools > > _______________________________________________ > > ffmpeg-user mailing list > > [email protected] > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > > To unsubscribe, visit link above, or email > > [email protected] with subject "unsubscribe". > > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
