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Live interpretation of talks at Chaos events

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tech:noise_reduction_in_pulseaudio

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tech:noise_reduction_in_pulseaudio [2020/09/27 14:11] korfuritech:noise_reduction_in_pulseaudio [2021/12/06 01:31] (current) – [Trying it out] sebalis
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 +====== Noise reduction in Pulseaudio ======
 +
 This document describes a simple noise and echo reduction setup you can apply to any mic if you're using Pulseaudio. Most modern Linux distributions use Pulseaudio. This document describes a simple noise and echo reduction setup you can apply to any mic if you're using Pulseaudio. Most modern Linux distributions use Pulseaudio.
  
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   $ pacmd set-default-source noechosource   $ pacmd set-default-source noechosource
  
-You can now record yourself, or try Mumble with someone. Do note that Mumble has its own noise reduction, see [[Tech:Noise reduction in Mumble]].+You can now record yourself, or try Mumble with someone. Do note that Mumble has its own noise reduction, see [[Tech:Mumble setup#noise_reduction|Noise reduction in Mumble]].
  
 If you want to undo these changes, you can do: If you want to undo these changes, you can do:
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 The module creates a pair of source and sink. The sink is useful if you're using speakers instead of a headset, and you want to hear yourself. This is not recommended because your mic will probably pick up the original audio as well. But if that is your only option, you can try changing your default sink to use the echo-cancelled one. Make sure you try that setup before translating, as it will probably require careful tuning before the talk to adjust the volume and gain correctly. The module creates a pair of source and sink. The sink is useful if you're using speakers instead of a headset, and you want to hear yourself. This is not recommended because your mic will probably pick up the original audio as well. But if that is your only option, you can try changing your default sink to use the echo-cancelled one. Make sure you try that setup before translating, as it will probably require careful tuning before the talk to adjust the volume and gain correctly.
 +
 +=== Making sure Mumble uses the right mic ===
 +
 +Mumble may be configured to use your mic directly. You can change its input in Configure > Settings > Audio Input. You may also want to re-run the audio wizard (Configure > Audio Wizard) to adjust Mumble's noise cancellation levels.
tech/noise_reduction_in_pulseaudio.1601215863.txt.gz · Last modified: 2020/09/27 14:11 by korfuri