• SONAR
  • Change project tempo without altering anything.
2014/03/12 11:10:42
Splat
Hi
 
I want to change the tempo of the whole project but I don't want any of my existing MIDI and audio to stretch to the tempo (stays the same). Ultimately all that will change is the metronome.
 
Current attempts always alters the audio/MIDI tracks.
 
I'm probably missing something simple. Any ideas?
 
Thanks

Alex
2014/03/12 11:37:20
brundlefly
Set your Now time at the bar that equals the current tempo +1. Hit Shift+M (Set Measure/Beat At Now), enter the new tempo +1 as the measure to set and OK. SONAR will change the timeline tempo around existing MIDI and Audio without altering its absolute playback timing.
2014/03/12 17:58:47
Splat
Thanks Dave. I tried it but could get it to work.
I want to change the project tempo from 88 BPM to 95 BPM for instance, without changing any MIDI or audio under these conditions, it only seemed to accept ratios.
2014/03/12 18:41:11
brundlefly
So what was the result exactly? Placing Now time at 89:01:000 and setting that absolute time be measure 96, Beat 1.000 should do the trick.
 
I'm not not sure what you mean about ratios...?
2014/03/12 19:03:44
slartabartfast
Are you saying you want to insert a tempo change that will affect the whole project from that point of insertion onward without affecting midi timing, OR are you saying you want to reset the tempo from the beginning of the project that will not affect midi timing in already existing tracks?
 
If the former, insert tempo change  should work. If the latter, you probably need to set the clip properties time base field to H:M:S:F (SMPT, absolute time) and lock the clip before you make the tempo change.
2014/03/12 19:29:36
konradh
Of course, the point of this thread is to get you the help you need, but is it OK if I ask why you want to do this (because I'm curious)?  I am trying to understand why you would, for example, record audio and 120 BPM and then change the tempo to 110 while keeping the existing audio playing back at 120.  It seems like that would sound messed up.  I feel like I am probably juist misunderstanding something key here.
 
Thanks!
2014/03/12 19:41:31
Splat
Well basically I'm trying to solve a mystery Konrad.
 
I gave a click track to a drummer (the metronome in fact), 88 BPM on the project it seems with a set of headphones. All appeared working and nothing more about it was said again. When the session was over I thought I'd check the click to see if it was (more or less) in time (yes I should have done it during the session, schoolboy error, but the gig was short notice). Well the click was still there but it was NOT the same tempo that the drummer played. Also note there are no tempo changes in the project.
 
Now if it was the case the drummer was ignoring the tempo and creating his own then the guy is some sort of genius because he seems perfectly in time in another tempo whilst listening to a completely different tempo. Not only that the issue is not only in one project, but about 8 of them (2 songs across 8 or so takes).
 
Weird.
2014/03/12 19:48:03
mettelus
FWIW, do not fight Dave on this one, the Shift-M trick works!
2014/03/12 19:55:39
Splat
Lynn
Alex, I think this is what happens when you change the tempo from 88 bpm to 95 bpm without expecting any change to occur.  You may have just answered the question you posed in your thread about changing the tempo.  Surely, X3E will solve this dilemma ;)

 
Lynn no tempo changes were made during the recording, the project was set at a constant tempo before the recording and it was checked out before recording. There are no tempo change events in the project either...I'm trying to make the tempo change right now to see if I can sync up to the drummer. I'm not aware of any tempo change bugs in Sonar X3D yet. Cheers...
 
 
 
Thanks for the advice about tempo change Dave, I'll check it out again.
2014/03/12 20:05:19
Lynn
Alex, this is an interesting conundrum.  One of my all time favorite bands is King Crimson, who've I've been blessed to see live twice in the last 12 years.  At the last concert, they used two drummers, playing two different tempos while Fripp and Belew were playing polyrhythmic guitar riffs.  Somehow it just works if the musicians can stay focused.  And, sometimes a tempo can work at different meters, fooling the listener into thinking it's one tempo while, actually being a different tempo.  It depends on the song and the style of music.  And, don't even get me started on psychoacoustic phenomena.  I can see where this would be problematic when doing overdubs after the fact.
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