[Xerte] Re: Crunching sound

[Tom Reijnders]

In Audacity, the export rate is not determined by the (input) file rate, 
but by the project rate (in the left lower corner):



Furthermore, the most important setting for mp3 is obviously the 
bitrate. In Audacity 1.3 you can set that in the export dialog (there is 
a button 'options' there).. For a long time earlier versions of audacity 
had a fixed bitrate of 128 kbs.



Depending on the quality of the original recording, sometimes, even 
32kbs is good enough for a voiceover.

Regards,

Tom

Op 3-3-2011 21:57, Dave Burnett schreef:
> >Might be able to go further than 22050 – default in your files is 
> probably 44100.
>
> I'm using Audacity.
> The .wav opens up at 22050, then I'm just hitting export as mp3.
>
>
>
> ------------------------------------------------------------------------
> From: d_b_burnett at hotmail.com
> To: xerte at lists.nottingham.ac.uk
> Subject: RE: [Xerte] Crunching sound
> Date: Thu, 3 Mar 2011 15:46:37 -0500
>
>
> I got it a while back when you first suggested it, but it's source files.
> I just didn't have it in me to find/install a free C compiler and try 
> to figure out how to compile a usable exe.
>
>
> ------------------------------------------------------------------------
> From: Julian.Tenney at nottingham.ac.uk
> To: xerte at lists.nottingham.ac.uk
> Date: Thu, 3 Mar 2011 15:39:30 +0000
> Subject: [Xerte] Crunching sound
>
> Get ffmpeg, then this .bat file in same dir
>
> ffmpeg.exe -i "input.mp3" -ar 22050 output.mp3
>
> just halved the size of an mp3 on my machine.
>
> Might be able to go further than 22050 – default in your files is 
> probably 44100.
>
>
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Tom Reijnders
TOR Informatica
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5242HM Rosmalen
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