[LAU] (Auto-)Tune a wave file

[Lorenzo Sutton]

On 25/09/12 11:28, Atte André Jensen wrote:
> On 2012-09-25 08:21, Nils Gey wrote:
>
>> 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.
>
> Although zita-at1 sound really good, I'm pretty sure you'll get the 
> best result by speeding up/slowing down the recordings, provided that 
> each file needs the same retuning throughout. I have no idea how to 
> automate that, though :-(

Maybe you could hack something up with aubio and sox:

- aubio for pitch detection infirmation
- some math to calculate the speed factor...
- to be fed to sox and use the speed option

Just an idea..
Lorenzo