Joho the Blog
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February 21, 2007
Audacity is a highly-recommended open source audio editing tool that I've been using for years and have found both helpful and frustrating. Since I don't really know what I'm doing, I waste a lot of time doing it. For example, try editing out a section of a stereo track. You can't do it. You can only select both tracks...until you figure out that you first have to split the two tracks by clicking on the "audio track" pull down to the left of the tracks. Then you can select a part of just one track. But then comes the next challenge: When you delete from one track, it's now out of sync with the first one. You can get around this by generating silence of an equal amount to what you cut. Or you can do what I think is the right thing: Edit > Split Cut deletes the selected stretch and replaces it with blankness. You can then paste into the hole it leaves. So, eventually I get it to work. Usually. And it's free and open source, so how can I complain? Oh, I can whine a little because it's of my nature. But not outright complain. I did run into one weirdness today that puzzles me more than makes me whiny: When I try to copy and paste music from one recording into the track of another, it gets compressed to half its size, and thus goes up an octave. Instant chipmunks. I think this is because the music is saved at 48K and the track I'm pasting it into is 96K. But I'm just guessing based on noticing the multiple of 2. Yes, I am that type of mathematical prodigy. In the end, though, I was able to record an interview over the telephone, with me recording into a mic, through a combination of an M-Audio Fast Track Pro, a JK Audio Inline Patch, a lot of trial and a heck of a lot more error, and a lifeline thrown by Colin Rhinesmith of the Berkman Center. Posted
by D. Weinberger at February 21, 2007 10:03 PM
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Comments
Definitely the sample rate. You can change the sample rate on the problem track in the far-left track box to fix it. Agreed that lots of this stuff isn't intuitive in Audacity, but it wouldn't be intuitive in any other program either. McLeod says I should subscribe to your work.
Posted by: Jan / The Faux Press | February 22, 2007 06:20 AM
Thanks, Jan, but when I double the sample rate on the track, it goes twice as fast and twice as high.
Posted by: David Weinberger | February 22, 2007 04:43 PM
You might want to try out GarageBand on your Mac; although originally designed for music, it has a lot of handy tools for speech editing now, and it's free (as in bundled, you already paid for it when you bought the Mac).
Posted by: Kevin Marks | February 24, 2007 11:38 AM