Audacity Forum

The % figure in the "Change Speed" effect refers to the "change" in speed. Thus to speed up from 2 minutes to 1 minute you are making the speed 100% faster. I agree that this is a bit confusing, but it has been designed with turntables in mind and in this context increasing the ...

Why can't Audacity and other audio applications make accurate speed changes? You can test it for yourself make a 2 min audio file then increase the speed to 200%. Easy right? 1 minute. Not according to Audacity, 43 seconds. Huh? I need to do very small speed change to sync a portable digital recorde...