![]() ![]() ![]() In my testing, placing it right after the noise suppression filter yielded the best possible results for reducing the noise before other filters morph the signal further. Where the Expander should be in the signal chainĪdvertisements I can tell you right now that I disagree with the OBS Project’s recommendation of including an expander towards the end of the signal chain. The next step is to add a new filter by clicking the Plus icon. This can be done by clicking on the Gear icon next to an audio source in the “Audio Mixer” sub-window, and selecting “filters”. The first step to utilizing my new favorite filter is to add the filter to an audio source. Honestly, even if you are able to tame your mic to an acceptable level, using the expander, you can back off the level of noise suppression to regain more audio quality. With that said, this filter is considered a type of noise gate, so maybe that point about the noise gate above isn’t entirely accurate. This thing is so good that I can run my AC full bore, and my air purifier on high, and they are barely audible until I start talking, and my voice is easily able to mask them. In fact, after I started using it, I can say that the noise gate is more or less obsolete, and can be eliminated entirely with this filter in its place. ![]() I would even go so far as to say that the expander filter is now considered one of my essential tools for content creation. What this means in practice is that it will allow you to improve the overall quality of your audio source indirectly, due to the ability to ease up on the aggression of your noise suppression filter. For a quick answer, the expander helps to mitigate excess background noise from your stream, and it does this by turning the volume down of your audio signal however, it does this only if it is below the defined threshold. ![]()
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