Project Rate and Bitrate Resetting

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Audacity 1.2.x is now obsolete. Please use the current Audacity 2.1.x version.

The final version of Audacity for Windows 98/ME is the legacy 2.0.0 version.
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Slapdown
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Joined: Tue Dec 11, 2007 2:38 am
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Project Rate and Bitrate Resetting

Post by Slapdown » Tue Dec 11, 2007 2:42 am

I use audacity to change the bitrate of a clip to 16 and the project rate to 22050, but when I export it as a .wav and open it again in audacity, it's reset back to 32-bit and 44100Hz. This is really annoying because It has to have those settings for another program. Does anyone know how to fix this?

EDIT: Sorry, I accidentally posted this in 1.2, I'm using 1.3.

kozikowski
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Re: Project Rate and Bitrate Resetting

Post by kozikowski » Tue Dec 11, 2007 8:31 am

I can't find the official instructions, so I'll give it a shot from memory.

If you open audio tracks into Audacity, the first one will determine the specifications of all the others. If you have to, create a one second long track at the numbers you want. Anything. Tone, Silence, singing into the mic.

Then, you can Export Multiple and all the old tracks should export to new files at the new bitrate. I've never tried this, but it appears the only way to do it in Audacity.

Koz

alatham
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Re: Project Rate and Bitrate Resetting

Post by alatham » Tue Dec 11, 2007 3:49 pm

Your file is exporting just fine at 16-bit, 22.05KHz (most likely). When you import a new file into Audacity it automatically gets resampled to whatever your Default Sample Rate and Default Sample Format are in the Edit -> Preferences -> Quality menu.

The audio that you import into Audacity us not read directly off the file it came from, Audacity is making a copy of it and converting it to the default format. The original file is untouched. You can test this by right clicking on it in Windows Explorer and clicking Properties -> Summary -> Advanced.

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