When I did the test today, I started rewire from scratch and observed that the synch problem arises when I change buffer size in PT, it seems that reaper is not following those changes (even though I see it changing in reaper). If I start playback again (and stop) all of a sudden I can hear (and feel with my controller) both VI's playing at the same time (with reaper's buffer size finally in synch with PT's buffer size). I started messing around with the Synchronize to external Time Code settings in Reaper (choosing "Asio Positioning Protocol" and checking "Start playback on valid time-code") and it seems to fix the problem. This is just Crazyyy what s happening to me, Maybe it's something with the audio interface interaction with Reaper ReWire and PT. As he stated, it worked in PT then got out of sync. same setup, same results.įor the OP, I don't know how it works properly in Cubase all the time, but not PT. The only tweak to Reaper's preferences was related to how channels are displayed. ![]() Here's where it get's weird to me: I made the tutorial videos on M-Powered 8 and Reaper 3. Even if ProTools could adjust for latency within the instrument plugins (which it can't in v8), I don't know if it would know what the latency is, since the plugins for your instrument are hosted in Reaper. Since ProTools doesn't send the midi data early to Reaper to offset the latency of the plugins and the buffer, what you end up with is the midi data being sent at the right time, but the audio playing back later. Maybe I'm not catching everything, but could it be this: Reaper automatically adjusts for your buffer and plugin latency when you use it by itself, so when you play a reaper file, you will see the midi info going into the plugin early, and you will hear it synched up correctly. Also, in most cases with the normal setup (that does not include the VI being instantiated and playing MIDI data in both DAWs) any MIDI data in PT that is off is not noticeable enough to be an issue. ![]() Keep in mind that only playback is affected by the offset the MIDI notes are not affected. Set it either up or down until the signals are in sync. When the menu pops up, set Sample Offset for the respective MIDI track to i.e. However a lower buffer does not necessarily cause the signals to be in sync, which is what you are describing. For DAWs that don't, the larger the hardware buffer, the larger the latency. I think Cubase automatically compensates for latency from MIDI events triggered through an external synth. Otherwise with the proper setup, according to the tutorial videos, there is no doubling or out of sync effect. You are only having this issue with a test that involves having the VI instantiated in both DAWs (which is not the proper setup). I mostly use 512 buffer size to secuence in PT, but like to leave it in 1024 for everything else. If I do the same in cubase i can hear both plugins in perfect phase no matter what buffer size is set. when played i can hear the double effect (with buffer size in 1024), if I lower the buffer size that double effect calms down but a phasing is what I hear. record enabled the one in PT and the one in Reaper (with rewire output to PT) at the same time and play with my controller, I instantiate the same drum plugin one in Reaper and one in protools at the same time, :-)Įxactly, that s how I do the Test, either the way you just described (I hear the Double Effect) or.for example While rewire, I'll keep trying things as I get time, and hopefully we can get this working. You did not describe the latter, so, there goes that idea. However, both regions playing back created a doubling effect. When played back the regions are out of sync. All I came up with is: If record is also enabled on the Reaper transport, when you record the MIDI in PT then there is of course a MIDI region recorded in both DAWs. Not sure what could be causing the inconsistency. ![]() The kicker in your case is you stated that it works sometimes, then goes back to being out of sync. 99% of the info you find on the subject is regarding setup, and little on troubleshooting because once setup properly, it works. What buffer setting are you using while sequencing in PT?įWIW: There just aren't many issues with Reaper ReWire beyond setup/routing. The lower I set the buffer size in PT, the more in synch Reaper is (less behind)!
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