I don’t usually dig on too much in the way of dance music, but this would just be epic on the dancefloor…

Loving the whole early 90′s rave mixed in with corky stacatto chip-tune melody angle. Find more bleeping here (The Subs Facebook) if you’re that way inclined =D

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Click here to view the embedded video.

Having lived in Newport for four years (although been living in the AU for the last two), it’s definitely tickled me, but I’ve never seen the new shopping centre! Wasn’t there when I left! Will have to drop by in September when I’m back in the UK =D

Also from Newport (besides children’s TV presenter Josie D’arby): Goldie Lookin’ Chain (Guns Don’t Kill People, Rappers Do and Half Man, Half Machine etc.).

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A slow-paced YYY’s number, but there’s no proper video for Way Out, so I’m going with this one.

Definitely best heard w/ headphones in the dark…

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Sweet nerdcore goodness from Frontalot’s new album: Zero Day =D

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The track I’m using in this example is the first 50 seconds of Ben Folds – Zak and Sara, where the voice kicks in at the 11 second mark, and the original sounds like this:

Once you’ve got a copy of Audacity for your platform of choice, fire it up and follow these simple steps to get rid of the vocals from most songs:

1.) Import Some Audio

From the menu in Audacity, choose File | Import | Audio and then select an mp3 (or any audio format Audacity understands) to work with.

2.) Duplicate The Tracks

We’re going to come back later and use the bass from this to give it a nice, full sound – but for now just duplicate your imported audio by going to Edit | Duplicate:

Once you’ve duplicated the tracks, we’ll mute our copy for now by clicking on the Mute button to the left of the waveform as shown:

3.) Separate Our Original Tracks, Convert To Mono and Invert One Of Them

This is the key part of the process: because vocal tracks on songs are commonly recorded as mono and then mixed into stereo – by separating the tracks and making them act as separate mono tracks, we can then invert one of them to have them cancel each other out! And since usually only the vocal waveform is identical (i.e. mono mixed to stereo) it’s only the vocals that magically disappear from the sound! Ha!

So, to start off we need to click on the little down-arrow to the left of our original wave form and select Split Stereo Track:

Once the waveform’s been split (so we can mess with both channels individually) double click in the lower of the two waveforms (the right channel) to select it all, and then from the menu choose Effect | Invert as shown:

Now for the last really important step – simply set both left and right channels to output as mono by clicking on the little down-arrow to the left of each waveform and selecting Mono. Don’t forget to set both of them to Mono or the magic won’t happen!

With that done, give it a play and see what happens! With any luck, there won’t be any vocals in the track – so with my example, it now sounds like this:

You’ll notice at the end that the vocals come back (the backing singing etc.) – why? Because it wasn’t recorded as a mono source, and hence doesn’t get cancelled out by the inversion we did earlier – so this technique won’t work for all songs – only ones where the voice is recorded in mono and then mixed into stereo, which to be fair, I think it a pretty large swathe of ‘em, and it’d be perfect for karaoke or something like this anyway because you’d want the backing vocals there!

If you wanted to know more about how this wave-form cancellation works, you can always look up Superposition of Waves, but I’ll leave that as an exercise for the curious =D

4.) Filter Our Original To Add Back The Bass

The voice cancelled audio above sounds pretty good, and the vocals are definitely gone, but in the process we’ve stripped out a lot of the lower frequency sounds (i.e. the bass). So remember when we duplicated our waveform and muted it right at the beginning? This is where it fits in…

Un-mute our duplicated (and still stereo) audio copy by clicking on the Mute button to the left of the waveform, double click on the waveform to select it all, and then from the menu choose Effect | Equalization as shown:

When the equalisation window pops up, we’re going to filter it so that all sounds above 200Hz are stripped out. To do this, just click somewhere on the main part of the window and a white dot will appear, click again and another will – then click on them to drag them around until you get a shape that looks kinda like this:

Notice that I’ve dragged the bottom-left slider all the way down to get access to the full 120Db and not just the 30Db on the scale by default.

You might have to have a bit of a play to get it right, but all we’re really doing is saying “Leave anything with a frequency of 200Hz or less alone, but drop the volume of anything over that frequency by around 120Db” (i.e. remove it entirely!).

If you mute our top two mono tracks and play it back, you should get the filtered version of the stereo track with only the bass remaining, which for my example sounds like this:

5.) Un-mute Our Original Voice Cancelled Tracks

With the vocal-free (but a bit tinny) audio playing at the same time as our bass-only version, we get a pretty neat sound with good bass and no vocals! Result! =D

You can then just go to File | Export to save the finished vocal-free version to an mp3 or such, if you wanted to keep it.

Wrap Up

I’ve read that some people like to cut out the sections between 200Hz and 1000Hz or so (1KHz, although I’ve also seen people push it up to 6KHz) to keep the low-end and high-end sounds, but when I was playing with this I kept getting some voice creeping back into the mix. This could well have been because I was only dropping 30Db when I was messing around with it though – so go nuts and experiment if ya wanna!

The shape I used for that EQ setting was:

With that all said and done, I hope you found this guide useful – I didn’t come up with the technique or anything like that, I just saw a 10 line how-to and had to mess around for half an hour to get it to work, so thought I could knock up a quick guide that shows how it’s done really clearly, and I hope you have fun with the technique!

Cheers!

Related posts:

1. How To: Seamlessly Remove Things from an Image in GIMP
2. How To: Remove Adobe Drive
3. How To: Easily Convert FLAC audio to MP3s in Linux

Was just re-organising my MP3 hive when I came across this and it brought back memories…

I went to see Eat Static when I was in my first year at uni, so it must have been late ’97 or early ’98 – and the gig was full of (with no real disrespect meant) hippies and gypsy types. There was one old-ish (50+) lady with waist-length iron-grey hair who just span on the spot for like two hours… and you couldn’t put your pint down on the floor (no tables) because it would literally start moving from the vibration of the bass…

Fun times

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Fish don’t fry in the kitchen…

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Pretty song, pretty girl, beautiful voice, so-so video. Three outta four ain’t bad…

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