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".
