Every music enthusiast these kinds of days knows that while putting together audio tracks, it’s common for discrepancies to show up in the tempo. Fortunately, by using certain programs, people could address all sorts of issues in the BPM of songs without much difficulty. While many opt to use paid software to get the best customization available, others settle for free applications like Audacity. Needless to say, “how to change BPM in Audacity” is among the most prominent questions in the FAQ section of the open-source audio editor.
So you don’t know what needs to be done to make changes to BPM of your track using Audacity? If that is the case, this article is for you. Down below, you would find pretty much everything that you need to keep in mind regarding BPM adjustments in Audacity.
Changing Audio BPM With Audacity
Note: Generally speaking, most versions of Audacity should allow you to freely change BPM but it’s strongly recommended that you download the latest ones. You could find and install recently released versions of Audacity on its website so remember to pay that a visit.
- Step 1: Click to launch Audacity
- Step 2: Go to “File” on the top left then select “Open” to load your track. Audacity supports common formats for sound files nowadays such as MP3, FLAC, AC3, AAC, AMR, WMA, AC3 and so on.
- Step 3: Head over to “Effect” and left-click”Change Tempo”. That is going to open up a box that lets you apply adjustments to the tempo of the loaded file.
- Step 4: In the box next to “Box per minute”, type in the number you desire.
- Step 5: Finally, left-click “OK”
Now, you need to export the adjusted track into a new file: all you have to do is to click “File” once again then “Export”. Next, Audacity would ask you to choose a name for the file in addition to its location on your computer so pick what suits you most. The application also offers you a chance to edit the meta of the file. Once things look to your liking, proceed to click “OK”. That is everything novice users need to know about how to change BPM in Audacity.
Unable to save your track as an MP3 file because Audacity keeps saying that a “lame.dll” file is missing? Well, due to patent constrictions, the software requires users to manually install .dll files to use all of its functions. So if you see that dialog, just go to the website of Audacity, fine the .dll file and download it. Remember to put the file in the Audacity folder if you want it to work.
Limitations Of Audacity “Change Tempo”
“Change Tempo” is by all accounts handy on lots of occasions but it nonetheless features a couple of shortcomings that you must keep in mind. Be mindful of the following issues before using the function.
- “Change Tempo” is, in essence, a time-stretching effect which means it’s going to cause audible distortions to audio if used in extreme settings.
- Once the default algorithm (fast) is enabled, “Change Tempo” might remove audio from the start/end of the loaded files. The results of that would be unnaturally short silences around the end of the selection. Sound echoes show up as well, especially if you need to slow down percussive music.
- While the “high quality” algorithm of “Change Tempo” indeed bring more refinements, it’s only good for moderate tempo changes. If you make drastic changes using that algorithm, sound quality should deteriorate by large margins.
Making Change To BPM And Pitch At The Same Time
While talking about how to change BPM in Audacity, most people like to use “Change Tempo” as it’s precise. That being said, in the case you want to adjust BPM and pitch simultaneously then it’s widely advised that you use “Change Speed” instead. To access “Change Speed”, you have to go to the drop-down menu of “Effect”. In the box of “Change Speed”, music enthusiasts would be able to pick between 33 1/3, 45, and 78 RPM formats for audio speed. Audacity also gives you a choice to tweak the speed of your tracks by percentages.
In most of the cases, it’s wise for you to keep the adjustments small so they fit better into the grand scheme of things. Past 25%, you could likely hear some noticeable artifacts pop-ups.