[LAU] (Auto-)Tune a wave file

Arve Barsnes arve.barsnes at gmail.com
Tue Sep 25 06:33:54 UTC 2012


On 25 September 2012 08:21, Nils Gey <list at nilsgey.de> wrote:
> Hello,
>
> I have samples here, single-note recordings from instruments, that need tuning.
> I am looking for a permanent/destructive way to do that.
> I can do the batch processing part myself so I only need a hint how to do it for one file.
>
> The file(s) are nearly correctly tuned and I already know what it is supposed to be, if that helps.
> Example: I have a file resembling the midi a4 which should be 440hz, but maybe it is 430 to 450.
> So the optimal input would be: "Tune this file to a4" where the analysis of the actual frequency is done by a program.
>
> Quality is the top priority. Since the tuning is very fine I don't care if the speed of the recording changes or not. I take what sounds best.
>
> So, any command line tool available for that? If not a GUI tool is fine as well.
>
The zita-at1 can do the job, although I'm not sure if it has command
line capabilities, having only used it in ardour myself
http://kokkinizita.linuxaudio.org/linuxaudio/

Arve


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