Old 02-10-2013, 04:20 AM   #1
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Default Tempo mapping and manipulation with SWS

SWS extension now includes a set of features for dealing with tempo. You might ask what's wrong with using native Reaper methods described in Tempo Mapping 101. Well, nothing really - features in SWS build on idea shown in that thread while trying to make the whole process easier without getting in your way.

Download:
Download here

Features and documentation:
Documentation can be found on wiki.cockos and is divided into two parts:

1. Tempo mapping
  • Accuracy (amount of tempo markers per measure) can be selected by the user
  • Possibility of gradual (and thus more human) tempo map
  • Use MIDI to create tempo map and hear the results immediately
  • Easier handling of songs with multiple time signatures

2. Tempo manipulation
  • Warp grid
  • Move tempo markers without doing a complete remap
  • Delete or change shape of tempo markers without disturbing the rest of the tempo map
  • Draw tempo map
  • Tools for managing gradual tempo changes
  • Select and adjust tempo in bulk
  • Increase density of the tempo map
  • Randomize tempo

3. Additional functionality:
  • User MusoBob has also developed a way to import tempo map from audio and fit any constant-tempo items to it, for more information read this post and the two posts following it

Donations:
A lot of effort has been invested in this. If you seriously use it, please consider supporting the developer. Thanks!

Big thanks goes to user G-Sun for helping with the wiki and all the advice without which gradual tempo would never receive so much love!
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Old 02-10-2013, 07:04 AM   #2
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Thanks a lot Breeder for coding all these wonderful tools!
Awesome work!

Quick manual:

1) Add markers (just as Tempo Mapping 101)
2) Run action: "sws/br: Convert project markers to tempo markers.."

Done!
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Old 02-10-2013, 07:54 AM   #3
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I've been doing mostly grid-based stuff lately, but will have to revisit tempo mapping in the near future to check out these cool new tools.
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Old 02-10-2013, 03:14 PM   #4
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I've only had time to give this a quick glance, and it may be a few days before I have a chance to play around, but this looks very encouraging.

Thanks for putting forth the time and effort to lay this out. I think it's going to be quite helpful.
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Old 02-12-2013, 07:34 AM   #5
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Hi,

A Big thank u to Breeder and G Sun for this!


GSun..have u ever heard of a band from the 40s 50s called the Tune Toppers?

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Old 02-12-2013, 10:45 AM   #6
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Any thoughts/plans on something like this for the API?

Code:
bool BR_MoveTempoTimeSigMarker(ReaProject* proj, int ptidx, double timepos)
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Old 02-13-2013, 12:07 AM   #7
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Quote:
Originally Posted by Guido View Post
Hi,

A Big thank u to Breeder and G Sun for this!


GSun..have u ever heard of a band from the 40s 50s called the Tune Toppers?
Sorry, no. Should I?
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Old 07-11-2013, 10:48 PM   #8
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Quote:
Originally Posted by G-Sun View Post
"sws/br: Convert project markers to tempo markers.."
This no loger exists, ay? i don't see it in my list of actions (and I do have sws installed, latest beta as of today (sws_2.3.0.4.exe).

Last edited by pixeltarian; 07-11-2013 at 11:27 PM.
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Old 07-12-2013, 06:02 AM   #9
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That's the latest official release, not beta

https://code.google.com/p/sws-extension/downloads/list
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Old 11-09-2013, 03:52 AM   #10
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I noticed Reapers time-line display gets messed up when having lots of tempo-markers. Any way to change that?
(So it's displaying 14.1.0 instead of eg. 14.2.5)
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Old 11-09-2013, 03:53 AM   #11
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Yes, it's extremely annoying.
Afraid not, it's up to Cockos to fix that one :/
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Old 11-09-2013, 10:53 AM   #12
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Quote:
Originally Posted by Breeder View Post
Yes, it's extremely annoying.
Afraid not, it's up to Cockos to fix that one :/
Ok, thanks for chiming in!

BTW: Had to import a session from Sonar 8 today. Getting the tempo, midi and audio into Reaper was not the easiest, but your actions helped a lot! Thanks!
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Old 11-09-2013, 11:18 AM   #13
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Quote:
Originally Posted by G-Sun View Post
Ok, thanks for chiming in!

BTW: Had to import a session from Sonar 8 today. Getting the tempo, midi and audio into Reaper was not the easiest, but your actions helped a lot! Thanks!
Hi Geir, did you save your Sonar midi tracks as a Midi File 1? I had several video projects in Sonar that I brought in to Reaper and that's what I did. I was surprised because everything went very smoothly.
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Old 11-09-2013, 11:42 AM   #14
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Quote:
Originally Posted by Tod View Post
Hi Geir, did you save your Sonar midi tracks as a Midi File 1? I had several video projects in Sonar that I brought in to Reaper and that's what I did. I was surprised because everything went very smoothly.
Oh, have to check.
Did you have tempo-data embedded?
That's was the hard thing for me. Had to record a click-track via a virtual loop into Reaper.
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Old 02-04-2014, 07:07 AM   #15
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Breeder:
Those "select peak/dip env points"
Did they make it into the sws build?
(couldn't find them)
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Old 02-04-2014, 07:08 AM   #16
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they will get included in the next SWS build
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Old 02-04-2014, 07:54 AM   #17
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Quote:
Originally Posted by Breeder View Post
they will get included in the next SWS build
Good, needed the compress-action
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Old 02-04-2014, 08:59 AM   #18
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btw: That "Compress point by adjusting to point before"
Is that coming as well? That's a simple one isn't it?
How about an action that adjust to point behind as well?
So, using both actions would give pretty good results.
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Old 02-04-2014, 10:48 AM   #19
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As we discussed in private some time ago - when new build arrives you will be able to get the behavior you asked for (compressing peaks and dips in tempo map while preserving positions of points in front) with this macro:

Code:
SWS/BR: Select peaks in envelope
SWS/BR: Decrease tempo marker 01 BPM (preserve ovarall tempo)
SWS/BR: Select dips in envelope
SWS/BR: Increase tempo marker 01 BPM (preserve overall tempo)
Just replace Increase/Decrease actions with type of your choosing

Also, next build will have these actions too:
+SWS/BR: Unselect envelope points outside/in time selection
+SWS/BR: Save/Restore envelope point selection (5 slots)

So you can limit compression to time selection and/or preserve current point selection after compressing

Code:
btw: That "Compress point by adjusting to point before"
Is that coming as well? That's a simple one isn't it?
How about an action that adjust to point behind as well?
So, using both actions would give pretty good results.
If you mean on your request about compressing tempo points with dedicated dialog - it will not be in the next build. It will probably get incorporated in a fashion that will include all envelopes, not just tempo map (can't say when - things are busy).
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Old 08-21-2016, 06:18 AM   #20
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Yes, check Project/track/Item timbase
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