Hidden Noise Reduction Tool in Reaper

notice how you have a lot of history that's coming from the internal electronics these USB mics are a little bit noisy and then you combine that with all of the USB port in the computer is playing into it etc so we want to get rid of that and you remember in module 1 that we used the noise reduction tool in audacity this is going to be similar there was a tool built right into Reaper that we're going to use but remember the first thing we had to do was we had to sample the noise select just the noise so that the computer knows what noise sounds like so it can get rid of it and you notice if I try to drag and select here it's snapping to these individual little gridlines just go ahead and select the snap enabled button to disable that and now we can drag and select to our hearts content also a quick note when you are selecting within Reaper and a lot of programs don't put your mouse on the audio item because that will actually drag the audio item around so what you want to do is be below it or above it you can do it from up here you can do it from down here whatever let's select some of this audio that's happening before the voice comes in we want to make sure we sample only the noise and not the voice because then the program will try to get rid of the voice when it tries get rid of the noise as well so we don't want that we're going to come down here and select toggle repeat and that will play only what's in this selection and we'll just do that over and over so welcome to the first homebrew at the wrong button there okay so now that that's done we are going to go to the FX button here and select the effect that is going to reduce the noise in Reaper the effect we're going to use is actually called re a fi are all of these effects by the way that start with re a that's for Reaper and the ones that start with Jay s that's for what they call G's Sonic those are all built right into Reaper so that's very cool we want the one called re a fi are the fi R stands for something technical like finite impulse response or something don't worry about that right now okay so let's come over this drop-down menu and select subtract and then we are going to check this box this is automatically build noise profile to sample just the noise okay now hit the spacebar in your computer to play and it will sample that noise and you'll hear it for a second and then it'll be gone okay now hit the spacebar again okay now this is very important uncheck the box that says automatically build noise profile the reason why is that if you leave it checked it will try to sample again some more noise and it will grab your voice and think it's noise and all kinds of ugliness will ensue so go ahead and now that you've unchecked this close this box you can see the green here and the FX button is showing you that you actually do have that effect affecting this track now so now let's listen to just the section we selected totally silent huh very cool so let's come over here and take toggle repeat off and hear what we got welcome to the first home brew audio podcast sounds great the noise is gone and we have a nice clear voice

Channel: Home Brew Audio

Views: 175,420

Rating: 4.9271784 out of 5

Keywords: home recording studio, REAPER (Software), Home Brew Audio, home recording, software tutorial

Id: HEY9XIYJtGg

Length: 3min 45sec (225 seconds)

Published: Tue Apr 03 2012

Reddit Comments

[u/fuzeebear]

What's up with the captions? It's like a VH1 pop-up video.

[u/supersuperduper]

ReaFIR works ok, but it doesn't compare to Izotope RX. But...it's free!