Share your knowledge on these two classic MPCs
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By SimonInAustralia Mon Jan 08, 2007 7:54 pm
1987 wrote:Its strange, and I don't know if its a print-error but at vintagesynth.com it says mpc 60 got stereo sampling.
From the Roger Linn website...

'STEREO SAMPLING -- Version 3.10 won't put a stereo sampling input on the back of your MPC60, but it does provide a method of creating stereo samples. Simply sample the left and right sides of a stereo sound separately as mono sounds, then a new screen in the software automatically re-syncs and combines them to form the stereo sound. '

...so, it can not sample as stereo, you can sample left and right seperately and then join them inside the MPC60 to create a stereo sample.

I do not see how this can work correctly. When recorded seperately, each side of the stereo sample will have a different amount of space at the beginning, so you could not sync them up properly so they play back in time properly, as per the original stereo sample. You might be able to get them close, but it would not be the same as a true stereo sample recording of the original source.


And, it can playback stereo sounds that are loaded off of disk...

'READS ALL MPC3000 FILES, INCLUDING STEREO SOUNDS -- Reads all MPC3000 files, including mono or stereo sounds (saved to MPC60 floppies) and directly reads MPC3000 hard disks (MPC-SCSI required). Reads all MPC60 files.'
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By SimonInAustralia Mon Jan 08, 2007 7:57 pm
Teletran1 wrote:
1987 wrote:Its strange, and I don't know if its a print-error but at vintagesynth.com it says mpc 60 got stereo sampling.


It does, once you upgrade to the 3.10 OS. You can record the left and right channels separately as mono samples and then splice together.

Without the 3.10 OS the only way to get stereo samples (on one channel) is the way I've mentioned on this thread. Eventhough I have the 3.10 os on my 60 and a 3000, I still use this method to save on sampling time.
You do not get stereo samples, if the stereo cable is plugged in half-way/one-click, as you suggest, you get a mono sample of one side of your original stereo signal.
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By SimonInAustralia Mon Jan 08, 2007 7:59 pm
Teletran1 wrote:I don't use a Y cable. I use a stereo 1/4'' to 1/8'' cable and there are no phasing or impedance problems.


I never said I used a Y cable with the 60. Try it my way and you will see what I'm talking about. It sounds exactly identical to the original stereo sample.

I've even recorded the same sample into the 60 using this method and then recorded it into my 3000 through a Y cable and you cannot tell the difference.
I have tried it your way, it does not sound identical to the orignal stereo signal, it is mono then and not stereo, and it is only one side of the stereo signal.

Maybe you think it sounds the same, but it isn't.
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By 7 1 4 Beats Mon Jan 08, 2007 9:39 pm
Yeah Simon is right. Y cable ain't gonna help shit.

By 1987 Mon Jan 08, 2007 9:43 pm
Aight, Simon. Thanks alot for helping us out here. Big up!
By distantb Tue Jan 09, 2007 3:33 am
Its amazing how many people on this board say things they dont know are true or not. big up SimonInAustralia for known your shit.

By soopa Tue Jan 09, 2007 4:30 am
i dont own a 60 (yet) but quick question... since you have to record two times into the mpc (mono left, mono right) that basically means you have to find the exact start of the record you sampled the first time?

By 1987 Tue Jan 09, 2007 4:32 am
soopa wrote:i dont own a 60 (yet) but quick question... since you have to record two times into the mpc (mono left, mono right) that basically means you have to find the exact start of the record you sampled the first time?


off course, or near exact til it sounds good.
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By Teletran1 Tue Jan 09, 2007 4:47 am
Ok...I don't come on this board to get into arguements over the internet.

All I'm saying is that the way I suggested will allow you to to achieve the closet thing to a stereo sample wothout dropping the loot on the 3.10 OS. It'll record the sounds from a left and right signal as one signal. It WON'T be a stereo sample but it'll have the sounds from both channels. In that sense, it'll sound the same because the same sounds will play back, it just won't be on their separate channels.

This method works great for me, maybe not for Simon or anyone else, but it's just a suggestion. Everyone has their own methods.

By soopa Tue Jan 09, 2007 4:55 am
1987 wrote:
soopa wrote:i dont own a 60 (yet) but quick question... since you have to record two times into the mpc (mono left, mono right) that basically means you have to find the exact start of the record you sampled the first time?


off course, or near exact til it sounds good.


true, what about recording from the turntable straight into the s950 and then that going into the 60.. still have to go mono?

By 1987 Tue Jan 09, 2007 5:35 am
yes

By soopa Tue Jan 09, 2007 5:37 am
no doubt, thanks '87

By 1987 Tue Jan 09, 2007 5:41 am
if it could though, it would be a total beast

By soopa Tue Jan 09, 2007 5:58 am
1987 wrote:if it could though, it would be a total beast


reason i asked is because i was wondering if others would have some trouble matching everything up.. getting the correct starting time and stuff.. thats what kinda worried me
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By SimonInAustralia Tue Jan 09, 2007 6:00 am
Teletran1 wrote:It'll record the sounds from a left and right signal as one signal. It WON'T be a stereo sample but it'll have the sounds from both channels. In that sense, it'll sound the same because the same sounds will play back, it just won't be on their separate channels.
If you pan two sounds to either side of the stereo signal, one hard left, and the other hard right, and then you plug a stereo plug (carrying that stereo signal) half way into the MPC60 Rec In socket, you will only be sampling the sound that is panned hard left. The sound that is panned hard right will not be heard in the MPC60. Try it! I just did this, you only get the one side of the stereo signal.

Now, if you plug the stereo cable in all the way, you do get both sounds mixed together, because they are totally seperate on the left and right sides of the stereo signal due to the hard panning, they do not cancel each other out. But, if you pan them to the middle, their level will drop considerably, as they are then getting a similar signal down each side of the stereo signal, and when the balanced MPC60 input flips the polarity of the negative side of the balanced (not really balanced in this case) signal and mixes them together, they cancel each other out to some degree. In a 'normal' stereo signal this will cause a weird phasing sound as things in the middle get canceled out, and things more to the side of the stereo signal don't.

In your situtation, where you are only plugging the cable in half way, or to one click, or whatever, you are only recording the left side of the stereo signal. In most stereo material, the left and right sides will contain similar sounds, most things are not panned hard left or hard right, so you think you are mixing the left and right together, but you are not.

Really, try it with two signals panned hard left and hard right, and see if you get both signals into the MPC using your method. I tried it with a drum machine panned hard left, and a synth panned hard right, and unless plugged fully in, I can only hear the drum machine from the left channel. This is how it should, and does, work.

There is another issue with plugging the cable in half way, that of 'absolute phase', but that's probably not going to be noticable.