1) No, they can be any length but as I said it's best to have the edges land at measures/beats... so you'll be fine.
 
2) I think so but converting to Groove Clips requires a bit of work CPU work so you might not want to do a whole bunch at once. I could be wrong on that though.
 
Cheers.

Beepster

brundlefly
Groove clip looping does have a limit in the neighborhood of 256 beats IIRC.

Hmm... I did not have any problems but maybe because I was working with a raw clip it just compensated... or perhaps my song wasn't long enough to hit the limit (but I'm pretty sure even though it is a quickie it ain't that short).
 
Weird.

Seems I was remembering previously posted misinformation :
 
     http://forum.cakewalk.com/FindPost/2967934

I still think Audiosnap is easiest for having multiple tracks/clips follow tempo changes where you aren't actually intending to "loop" them - i.e. roll out additional iterations:
 
- Ctrl+A to select everything
- Shift+A to open the Audiosnap palette
- Click the "power" button to enable AS on all selected audio clips
- Click Clip Follows Project
- Change Tempo
 
Bouncing down with content-specific per-clip rendering algorithms may or may not significantly improve the result. In my experience the default Groove Clip algorithm works about as well as anything in many cases.
 

So the first clip i tried is four bars and it worked fine as far as length change goes - it didn't change length. 
But the second clip i tired changed length - it got shorter by a bar or so, even though i have not changed the tempo yet - it's 18 bars in length.  Could i be doing something wrong?  what am i missing?

...In fact a lot of them are changing lenght.  I have cropped them all to grid measures, and tried 'bouncing to clips' before groove clipping and still get this.  what do you suppose i might be overlooking?  TIA.
 

brundlefly
I still think Audiosnap is easiest for having multiple tracks/clips follow tempo changes where you aren't actually intending to "loop" them - i.e. roll out additional iterations:
 
- Ctrl+A to select everything
- Shift+A to open the Audiosnap palette
- Click the "power" button to enable AS on all selected audio clips
- Click Clip Follows Project
- Change Tempo
 
Bouncing down with content-specific per-clip rendering algorithms may or may not significantly improve the result. In my experience the default Groove Clip algorithm works about as well as anything in many cases.
 

When i try this the clip changes length also.  It sounds like you guys are saying this should not happen. 
I wonder what i could be doing wrong...  any ideas?
 
 

Yeah, something ain't right. Sounds like the clips somehow already had a tempo printed to them and by engaging GC they adjust to fit the project tempo. Not sure how to deal with that or how to correct it but you could check to see what (if) the tempo field on in the Clip Inspector says.
 
Open the Inspector with the original (not looped/converted) clip selected (only one at a time or it will switch to "Multi" which won't provide individual info) the click the Clips tab in the Inspector, click the Groove Clip subsection and look for a tempo field.
 
Not sure but if that IS what's happening maybe you can just change it to the project tempo and try again. Alternatively I think you can choose a tempo for clips in the Loop Constructor view. I'm still relatively new to this type of stuff though so check the manual or wait for someone smarter than I am to show up. lol
 
Cheers.

brundlefly
Seems I was remembering previously posted misinformation :
 
     http://forum.cakewalk.com/FindPost/2967934

Thanks for clarifying. That probably would have gotten stuck in the back of my head otherwise making me say/do faulty stuff.
 
Cheers.

Ok, i found a clue - for some reason the only clips that groove clip properly (or audio-snap method) are clips that are 8 bars long.  Any shorter or longer and the clip changes length before i ever change the tempo - sometimes a little and sometimes a lot.  Does this make any sense?
 

I'm stumped. Are they in a slection group or all in the same track? Maybe that is forcing them to take up the properties of your 8 bar clip.
 
Weird stuff.