Andy,

Try the following.

1. Turn on the grid and activate 'Snap to grid'. (The shortcut ALT+G will do this.)

2. Drag the right end of the wav track until it snaps to the nearest beat. (Let's say it's beat 1 for reference purposes.)

3. Change Reaper's tempo to 170.

4. Now hold down CTRL+ALT and move the cursor around the right end of the wav. The cursor will change to a hand. When that happens, grab the right end of the track and drag it to the left (since you've made the tempo faster) until it snaps to the new beat 1 in the same bar number as before.

5. Lastly, in the 'Project settings' make sure that the 'Default pitch shift mode' is set to 'elastique 3.1.4 Pro'. (I find this a good stretching/shrinking engine.)

That should do the job for you.

Regards,
Noel





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