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 9720 soft sync 
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Joined: Sat Jul 30, 2011 5:46 am
Posts: 57
Post 9720 soft sync
Totally new to using OSC sync on a modular, but completely understand it's principles on hardware synths and am wondering if the same concepts apply?

If I modify the sine output of OSC B somehow, thru another module, so that it's wave is now much more complex, can this NEW wave be used as the sync input, for soft sync of OSC A?

trying to achieve creation of very complex timbers with soft sync?

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James


Thu Jul 18, 2013 9:10 am
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Joined: Sun Nov 09, 2008 2:49 pm
Posts: 724
Post Re: 9720 soft sync
Hard Sync is the choice for complex waves, whereas soft sync is less noticeable. When one of the waves in a hard sync patch is varying in frequency, it gives a ripping, tearing, or growling sort of sound to the sync'ed waveform. With soft sync the symmetry of the wave isn't affected so much and it is more useful in holding two VCOs at a set tuning without the beating or phasing.

On the 9720, the pulse output of VCO B is the best choice for connection with the VCO A Sync Input. Even though the soft is best for retaining the wave symmetry, if there is gross change in B vs A, then some of the Hard Sync sort of sounds will occur, ie if the modulator output is patched to a frequency control input on B, repeatedly sweeping or for triggering.

Note the amplitude or voltage level of the wave into A Sync has to be at a certain level to be effective, so it may be necessary to boost weak signals. The 9730 VCF will provide some boost with advanced resonance settings.

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Scott Lee
scott@paia.com


Fri Jul 19, 2013 10:43 am
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Joined: Sat Jul 30, 2011 5:46 am
Posts: 57
Post Re: 9720 soft sync
totally understand now..very informative explanation..super helpful...will order a 9720 this summer and try soft sync 1st before looking for a hard sync solution. I'm looking more for "subtle" yet defined complex sounds..if this makes any sense...??

thanks again for the knowledge....

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James


Sat Jul 20, 2013 8:14 am
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