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- All right, let's take a look
at removing background noise from audio clips.
Often we have an issue when we're recording.
Maybe it's distortion, maybe people are talking
too loud around us,
or maybe there's just air conditioning, fans,
and everything else going off.
This is a time after time question that gets asked
all the time and I've done so many tutorials on my channel
on how to remove this kind of noise.
But now, I can actually say it,
all of those tutorials can go in the bin, literally.
Because of this new feature, which I've found phenomenal.
I want to show it to you now.
If you wanna try it for yourself, you can do
at mrc.fm/ai,
that is mrc.fm/ai.
It'll take you to the Descript website
where you can try out this fantastic piece of software.
It works with audio
and I'm gonna show you now how to remove background noise.
So mrc.fm/ai.
Click "Download" when you hit the website
and it's completely free to use, which is absolute insanity.
Okay, so noise removal.
I'm starting a new project here in my Drive,
you see I've signed up for an account here
and I can create projects
and I'm using the beta version by the way, at the moment
because this feature is called Studio Sound.
It's supposed to take any audio you drag into it
and make it sound like it was recorded in a studio.
So I'm just clicking the plus button up here
and I'm saying I want to add a voice file
and I'll go to my downloads here
and I'll just look for, you know, one of these,
maybe this clipped piece of audio.
We'll add a few more pieces, we'll add the expo floor
and we'll also add in the echo.
So we got, and I think that might be a video clip as well.
All right, so once we've got things in,
let's actually make this nice and big
so you can see everything there.
It's also very bright white, glowing in my face,
but I don't mind.
I just crossed-out the option to transcribe
but Descript as a side,
it also allows you to transcribe your stuff as well.
So now, what I can do,
I can look at my project files,
they're over in the left,
and I can click into anything
like this clipped audio, and I can run something
called Studio Sound, which actually,
since being in beta, has now been converted to Early Access.
So that's really cool.
And you're gonna be blown away by this.
I'm gonna start it running, 'cause it takes a little while
but I can always enable and disable it
to show you the before and after.
So, the spinning circle goes, for a minute or two.
Sometimes less.
Again, this little echo clip, I'll click Studio Sound.
It's just in the effects panel over here to the right.
Expo floor, again, I'm gonna click Studio Sound
and let it roll away.
Let's go back to the initial one.
Yeah, it's done on this one already.
So I'm gonna switch it off
just so you can hear the initial clip,
which sounds like this.
(audio file playing) - "Households or consumers
who are looking for a refrigerator
through this frugal in..."
- Okay. So yeah, there's a bit going on there, isn't there?
Let's play a little bit more
so you can hear it maybe...-
(audio file playing) - "Very, very special guest".
(audio file playing)
- Okay. And yeah, you can hear definitely.
(audio file playing) - "Hello everybody
and welcome to today's show".
- Oh, hang on. No, we're on a different clip.
For some reason, it's put me onto another clip.
So let's tick off Studio Sound on all of those now
so we can go back.
So first of all, the clipped example, again,
let's start from the start.
(audio file playing) - "At some point in our lives,
we have all experienced whether positively
or negatively we've experienced favor."
- Okay. So you can hear there's a bit of distortion,
bit of background noise, enable Studio Sound, play back.
(audio file playing) - "At some point in our lives,
we have all experienced whether positively
or negatively we've experienced favor."
- So it sounds like he's more on the mic, more Studio Sound.
Absolutely amazing.
Uh, let's listen to this echo clip here.
(audio file playing) - "Households or consumers
who are looking for a refrigerator
through this frugal innovations".
- Okay. So a bit of echo
going on there, switch on Studio Sound and we've got
(audio file playing) - "Households or consumers
who are looking for a refrigerator
through this frugal innovations".
- So again, of course you can boost up the volume as well,
if it's too quiet.
But just as you listen there, I mean,
it sounds pretty amazing, doesn't it?
Studio Sound, and this one is pretty phenomenal.
(audio file playing) - "To today's"
- Let's play from the start.
(audio file playing) - "Hello everybody
and welcome to today's show.
I am here..."
- Noisy expo floor there.
Switch on Studio Sound, play it back.
No background noise.
(audio file playing) - Hello everybody and welcome
to today's show".
- It's almost like she's in a studio.
(audio file playing) - "I am here at
Farm Progress Show 2018."
- Okay. Let's switch off Studio Sound
just to show you again.
(audio file playing) - "Hello everybody
and welcome to today's show."
- So we've gone from the expo floor with noisy chatter to
(audio file playing) - "Hello everybody
and welcome to today's show."
- So, I mean, what are think about that, Isabella?
Are you pretty blown away by that stuff?
- I mean, it's just brilliant.
And what is great about this,
it requires zero audio editing skills.
- Let's take a look at this.
(audio file playing) - "You make
tremendous preparations for a journey"
- And this is gonna blow your mind.
Now I, the reason I'm playing this
in Audition is because I have found
in my experience of using Studio Sound on Descript,
the better you can clean up a piece of audio,
the better you are going to get a result from Studio Sound.
So, you know, maybe don't throw my videos
in the bin just yet
because you can do a cleanup operation over here
in Audition and then throw it through Studio Sound.
So in my experience, I threw this through Studio Sound.
Didn't do too much, but what I can now go ahead and do
is actually clean up in Audition.
So I'm gonna go into, let's see here,
Filter and EQ, Parametric Equalizer.
I'm gonna roll in a quick high pass filter here
(buzzing sound)
and go to a preview mode
so I can see the base hum I'm rolling off.
(audio file playing) - "You make
tremendous preparations for a journey"
- Okay, that's helping.
Okay. Let's not normalize that now to make it nice and loud.
(louder audio file playing) - "You make
tremendous preparations for"
- Still quite a lot of background noise.
So I'm gonna go into Effects.
I'm gonna go to Noise Reduction caps in noise print there.
That's all done, which is good.
Effects, noise reduction, noise reduction process.
And we can see most of the noise reduction
needs to happen down here at the low end.
So let's do that.
Okay. That's cleaning up nicely, play back.
(audio file playing) - "You make
tremendous preparations for a journey"
- Okay, let's pull that off a bit.
So we've got not such
(audio file playing) - "You make
tremendous preparations for a journey"
- Okay. Still pretty kind of out there
and not that great, but now,
(audio file playing) - "Not just for the beginning
of it"
- It's kinda lost a lot of its audio, obviously.
So let's call this, "Wedding Cleanup".
Save that to my downloads folder.
Now I'm gonna bring Descript back in
and I'm gonna go to the noise removal project.
and I'm gonna add that in my cleaned up file,
not the original file,
cause I think that was just too noisy.
And where is it? Wedding cleanup.
(chuckles) That's a funny name
for a file, isn't it?
Wedding cleanup. Okay. So we've got this.
(audio file playing) - "You make
tremendous preparations for a journey"
- And then, finally, I'm going to let it do it's stuff,
analyze it, run Studio Sound.
This shouldn't take too long to run over this
and we'll see if we can revive this.
This was recorded in the 1970s on a cassette tape,
by the way.
So, it's absolutely insane if we can bring this priest
back to life and make him sound
like he's talking in a studio, I will be totally blown away.
Okay. It's done. You ready?
(audio file playing) - "You make
tremendous preparations for a journey"
- Not bad at all.
(audio file playing) - "Not just for the beginning
of it, but for the journey itself".
- Okay. We're definitely getting
his original tones, his original voice through.
I've used this on a lot of other files and, you know,
actually, I've got it sounding better than that previously,
rather than this live demo I'm doing now.
So, the cleanup you do,
maybe adding a bit of compression to the voice
and then throwing it into Descript Studio Sound,
you are really going to bring some stuff back to life.
There's a lot of lectures that I've been listening to.
Really old lectures that I've restored inside Studio Sound.
And it's almost like that person from the fifties,
the sixties, is standing next to you, talking to you.
It's insane.
I encourage you to go and try it,
mrc.fm/ai and have loads of fun with Studio Sound.
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