That's a nice setup you have ! And great it does work as desired !
I suppose, the technical reason for the "gap" with a single instance of Reaper is, that in Stop mode, the latency compensation is done by Reaper delaying certain audio streams appropriately, while in Play mode, this is done by placing the read pointer in the audio media at the appropriate positions. I suppose these modes can't be switched seamlessly.
That is why I suggest to use a sampler for "simply" playing back backing files in stop mode, but of course this does introduce drawbacks regarding features that are only available in play mode.
If such features are requested, running two instances of Reaper on the same box seems like the only reasonable solution. Happily, the License of Reaper does cover this.
-Michael
|