Hi. I seem to be constantly asking for help for which I apologise. I’ve got this weird problem as a result of which notes created in Dorico mapped to note performer are playing a fourth(ish) lower than written. Sometimes I can resolve the problem by re-applying the playback template but after a couple of minutes it starts again. It happens in transposing and non-transposing instruments alike but seems to be confined to NP as I have other tracks playing on external EastWest instruments and they are perfectly in tune. I’ve checked the sample rate. Any ideas? (And yes, I’ve turned my Mac off and back on again!)
No need to apologise for getting help!
Could you upload a version of your project that this happens in. And maybe list some steps we can follow to reproduce this. Many of us have NP and so it would be very helpful.
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Here you go -
Concerto 2nd mvt.dorico (1.6 MB)
I (briefly) tried your file, and it played back without any issues, so that’s not really enlightening yet. Just to be sure: with ‘fourth’, I guess you mean the interval of a diatonic fourth, right? I.e. C sounds like G, D like A etc.?
Or did you perhaps mean to say the music sounds a quarter tone (half semitone) flat? In that case, it may either be a sample rate mismatch after all (although the typical detuning that it causes is about a semitone), or even such a mundane thing as a MIDI controller (keyboard) with a dusty pitch bend wheel giving false signals. If you have a MIDI controller, try disconnecting it or switching it off and see if the problem persists.
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Conceivably, a mismatch between samples rate of 96000 and 44,100 might do a fourth, though I haven’t checked the maths… 
Just eyeballing I’d guess that ratio would be close to a minor ninth.
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Sadly I meant a perfect 4th (sounding 5 semitones below. Sometimes it resets itself if I play from the beginning but any editing or note inputting causes it to misbehave again.
After creating this thread I had to take a break and visit the hospital for an examination (prostate if you must know - ouch!). On my return everything seems to have sorted itself out…. I do not recommend this approach as a solution to notation problems but I’ll let you know if it continues to work properly!
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Jesper
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We will wait with bated breath.
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Spoke too soon! I’m attaching a pdf of a section as well as the Dorico file and an MP3 of the playback (it’s supposed to be simple chords - E/Db/E/C/E/B etc
Example.dorico (3.2 MB)
Cello project 7NP VSN 5.pdf (82.0 KB)
It is only the instruments on channel 1 that are affected?
Could it be… a defective MIDI keyboard that’s sending pitch bend signals? (That seems to be a massively common problem.) Or some other app, virtual or physical MIDI device that’s sending signals?
As you’re on a Mac, I recommend this app: MIDI Monitor, which you can use to see what MIDI signals are coming in, and from where:
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I’ve tried with 2 keyboards - an Arturia Keylab 88 and a Roland FP60. I’ve tried them independently and both have the same effect. The midi channel could indeed be the culprit but I’ve been happily working without this problem for 6 weeks. Good idea to check Snoize
Wow! Thank you so much. I had a look at Snooze and indeed an old Korg controller which I’d hooked up ages ago had suddenly started sending random pitch bend signals. I’ve disconnected it and all seems fine. Well done for thinking about that.
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*Snoize
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