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I am hoping some experts can help with a problem I have with Reaper. I use Reaper to drop in my Band in a Box tracks for mixing and editing. I would like to use my arranger keyboard (PA900) to add pad sounds and percussion to my BB arrangements recording in audio not MIDI. I connect the PA900 to my interface and I can play some things I want to do in real time while monitoring my BB tracks. However, many of the sounds I want to use, such as those from the PA900 multipads and styles, are tempo-based loops. No problem, I can just set the same tempo on my PA900 as my BB project.

But the trouble arises when I start the recording since there is always unwanted silence in the beginning of the track and it will not match the rest of my project. How can I quickly and easily remove the beginning silence so the resulting audio from my PA900 will match my project? I have tried zooming in and deleting the silence, but it is still just slightly off. I assume there must be an easier way? Some keyboards have a sync feature so that the recording starts when you touch a key (no silence in the beginning) but the 900 does not have this.

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I'm not following.

A. What is the unwanted silence from? Did you import the BB tracks at the very beginning of the Reaper project?
B. Your keyboard should play the desired loop when you hit a key (somehow). Just start recording and hit the key when you want it to start playing. How are you triggering the loop from the PA900? Is the PA900 what is giving the delay before starting?

One option is to let it record out of time (but at the same tempo) and then drag the keyboard to line up with the rest of the project .. but that's a pretty clunky way to go.


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Originally Posted By: rharv
I'm not following.

A. What is the unwanted silence from? Did you import the BB tracks at the very beginning of the Reaper project?
B. Your keyboard should play the desired loop when you hit a key (somehow). Just start recording and hit the key when you want it to start playing. How are you triggering the loop from the PA900? Is the PA900 what is giving the delay before starting?

One option is to let it record out of time (but at the same tempo) and then drag the keyboard to line up with the rest of the project .. but that's a pretty clunky way to go.



Thanks very much for the reply. The tracks from BB are already in the Reaper project. Say I have a tempo set of 100 bpm. Now I want to use my keyboard and play some loops that are tempo based and add them to my project. So I set the keyboard to 100. The problem is that I have to hit "record" on my keyboard and then start playing-there is no "record sync" on this model to have it start when I press a key. So there is always a certain amount of silence at the beginning of the keyboard track and therefore it won't line up with the other tracks until that is removed. I am looking for a simple way to take that beginning silence off so the resulting track will line up with the others. As I mentioned, I have tried zooming in and cutting it but it never is exactly right timing wise.

EDIT: When I say "record" I am referring to recording on my keyboard. I should have made that clear. But even if I record into Reaper, there would still be a slight timing issue since I could never hit the keys at the precise moment needed (remember the keyboard is running what is essentially a tempo based loop on its own). So, it may be more trouble than it is worth. I could still record non tempo-based parts by just playing them live.

Last edited by W. Tracy Parnell; 09/26/19 01:00 PM.
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Not exactly sure what your are doing.

So just taking a stab at it, perhaps you need to record as a "punch in" this starts everything playing by will record only when you hit the place in time the punch-in starts. Standard recording technique.

https://www.youtube.com/watch?v=LMEgGZZFjbQ

Last edited by MusicStudent; 09/27/19 03:19 AM.

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If you already have the keyboard track in reaper and you just need to line it up with the BIAB tracks you could do the following:

1) Explode the view in reaper (click on '+', bottom right)
2) Place the cursor to where the keyboard track needs to start.
3) Select the keyboard part by clicking on it
4) Right click and choose 'Nudge/set items'. You can shift right or left as needed. Just shift until it lines up properly.

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Originally Posted By: BlueAttitude
If you already have the keyboard track in reaper and you just need to line it up with the BIAB tracks you could do the following:

1) Explode the view in reaper (click on '+', bottom right)
2) Place the cursor to where the keyboard track needs to start.
3) Select the keyboard part by clicking on it
4) Right click and choose 'Nudge/set items'. You can shift right or left as needed. Just shift until it lines up properly.


This sounds like my best bet, I'll try it. Thanks to all who replied.

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Not really sure either, but as a stab also:
Are you just playing chords on the keyboard that play a loop and want to record them ?
You can look at ReaTrak for Reaper it will import the chords from Biab or Biab Plugin into Reaper, it will create a midi chord track from those chords that can be sent out to your keyboard and the audio recorded from that in Reaper.

If the timing is out you can just click the magnet up the top and slide the track to align it.

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W. Tracy, I'm very familiar with Korg arrangers I have the Pa3x. Biab has a checkbox to export your chords meaning Biab can play your Korg. All you do is route the audio to Reaper and record it. I'm not home and can t tell you where that checkbox is but it's there.

Bob


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