MacMusic.org  |  PcMusic.org  |  440Software  |  440Forums.com  |  440Tv  |  Zicos.com  |  AudioLexic.org
Loading... visitors connected
 
Reply to this topicStart new topic
> Isolating Vox (acapellas) Help, How do you isolate the vocals from CDs
Lycius_Down
post Sat 19 Mar 2005, 05:44
Post #1


Newbie


Group: Members
Posts: 6
Joined: 09-Dec 03
From: Winfield - US
Member No.: 30,693




Does any one know of a way to isolate vocals from a CD or vinyl source? For example, I want to hear only the rapper in the hip-hop song, and not the beats.

The following link explains how to do it with Cool Edit and Soundforge (PC software), but I haven't found a complement on the Mac side.

How to make A capellas

I'm assuming you could do it be a difference of the soundwaves. A soundwave anaylsis with just the beats, and then measure the difference with the vox and beats fromt he source. Or perhaps, messing with compression and a vocoder. But I don't see any software that does this on demand. Perhaps Csound ?

How do DJ's do it in the clubs? I know they use instrumental versions of songs, but how do tehy merge the vox so seemlessesly?


I'm using Cubase 1.06. on iBook G3 500, 576mb ram.

Any tips?

This post has been edited by Lycius_Down: Sat 19 Mar 2005, 05:48
Go to the top of the page
 
+Quote Post
lepetitmartien
post Sat 19 Mar 2005, 07:24
Post #2


Moderator In Chief (MIC)
Group Icon

Group: Editors
Posts: 15,189
Joined: 23-Dec 01
From: Paris - FR
Member No.: 2,758




DJs use tracks on records with only the a capella, on some records, the voice is on a range of frequencies where there is nothing else, with a bit of EQing you can remove the non vocal element, but if it's a technique ok in a club, in the studio you ear the nasty things you are doing…

As i should be to bed, I won't go onto something I'm thinking about, I don't have ideas clear enough (sleeeeep nowww)


--------------------
Our Classifeds • Nos petites annoncesTerms Of Service / Conditions d'UtilisationForum Rules / Règles des ForumsMacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki?
BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki?
Go to the top of the page
 
+Quote Post
coldharbour
post Sat 19 Mar 2005, 16:04
Post #3


Junior Member
***

Group: Members
Posts: 178
Joined: 14-Mar 05
From: -
Member No.: 62,351




QUOTE (Lycius_Down @ Mar 19 2005, 04:44)
Does any one know of a way to isolate vocals from a CD or vinyl source? For example, I want to hear only the rapper in the hip-hop song, and not the beats.

There's no good method of doing it.

The results are always more or less awkward. As said above, DJ's use accapella versions, accapellas are sometimes included in 12" / CD-Maxis.

If you still wanna try it, possibly the best chances for successfully separating vocals are if you have an instrumental version of the track - turn the phase of the instrumental track full 180 degrees and then overdub it with the vocal version. The files must be sample-accurately at the exact same position and at the same volume level. If all goes well the instrumental with 180 deg phase error cancels out everything else than the vocals in the original track.

If you don't have full instrumental version you can try to find instrumental bits in the track that matches the vox backgrounds and then again phaseshifting them to cancel each other out.

Also, the vox are usually mixed in the middle of stereo field, so scrapping everything that expands to L/R usually brings vox up a bit.. but of course drums and bass are usually in the middle as well so you need to tweak the EQ a lot.

If you're using the vox in your own track (so there's a backing track) it's usually enough to just cut the low / low middle frequencies (so the kickdrum doesn't cut through) and emphasizing the vocal range to bring vox up a bit.
Go to the top of the page
 
+Quote Post
Lycius_Down
post Sat 19 Mar 2005, 21:46
Post #4


Newbie


Group: Members
Posts: 6
Joined: 09-Dec 03
From: Winfield - US
Member No.: 30,693




So a capellas can be bought then alongside instrumentals?

I suppose it's a lot more work than I thought. The phaseshift idea seems like it's a good idea, but time consuming.
Go to the top of the page
 
+Quote Post
lepetitmartien
post Sun 20 Mar 2005, 02:50
Post #5


Moderator In Chief (MIC)
Group Icon

Group: Editors
Posts: 15,189
Joined: 23-Dec 01
From: Paris - FR
Member No.: 2,758




Phase shifting is the only "easy" way, as long as the voice is well centered (it's about the same problem as making an instrumental from a voiced version). sad.gif


--------------------
Our Classifeds • Nos petites annoncesTerms Of Service / Conditions d'UtilisationForum Rules / Règles des ForumsMacMusic.Org & SETI@Home
BOING BUMM TSCHAK PENG! Are you musician enough to write in our Wiki?
BOING BUMM TSCHAK ZZZZZZZZZZZOING! Êtes-vous assez musicien pour écrire dans le Wiki?
Go to the top of the page
 
+Quote Post
coldharbour
post Mon 21 Mar 2005, 17:05
Post #6


Junior Member
***

Group: Members
Posts: 178
Joined: 14-Mar 05
From: -
Member No.: 62,351




QUOTE (Lycius_Down @ Mar 19 2005, 20:46)
So a capellas can be bought then alongside instrumentals?

I suppose it's a lot more work than I thought. The phaseshift idea seems like it's a good idea, but time consuming.

Sometimes accapella is included - usually not - and if there's an accapella it won't usually appear on the "consumer" CD, check out the 12" and special DJ promo-editions.
Go to the top of the page
 
+Quote Post

Reply to this topicStart new topic
3 User(s) are reading this topic (3 Guests and 0 Anonymous Users)
0 Members:

 

Lo-Fi Version - Thu 12 Dec 2024, 13:49
- © 440 Forums 2011