#1151 A way to disable all audioprocessing for podcasting.


It would be very helpful to have an option to disable ALL audio processing, so that mumble can be used as a "cable" between to devices.
So we could use it for broadcasting and especially podcasting. So the interview partner can be patched in via mumble with studio audio quality.
I can clearly understand that mumble is primarily made for gamers, but it would be SOOO helpful for us podcasters to have this option. If i understand it right to do this you have to change some parts in the audioinput.cpp. It would be also very helpful to have this option in the iOS version too.

Udo Sauer
from sunny Wacken Germany


  • Sanya_Zol

    You can disable noise reduction and amplification by setting both sliders in "audio processing" to leftmost.

    Sometimes I'm using this to make things sound exactly how they was recieved from audio device (useful with virtual audio devices).

    Note that audio is strictly 1-channel and strictly encoded with lossy codec (opus or CELT - depends on version, server settings and connected clients) at bitrate <= 96 kbps. Also note that many settings (bitrate and framesize) settings applies only to outgoing transmission.

    • Dodge

      Even when I set Noise Reduction to Off, and Max Amplification to 1.0 (lowest setting), there is still some noise reduction happening. It is very clear when comparing a Mumble recording of my mic, to a Quicktime or Audacity recording of my mic, made at the exact same time. The Mumble version has less noise, but also a slight metallic/muffled sound, a clear sign of noise reduction.

      I'm also using Mumble for podcasting, and would much rather handle all my noise reduction in post, rather than introducing it into the source material.

      Edit: Nevermind user error. I confused artifacts from setting the Quality too low, to noise reduction artifacts.

      Last edit: Dodge 2014-10-10