[chuck-users] Mixing recorded Voice with some music theme

[sunny chaudhary]

Hi Kas,
                  Thanks for the information.

                   I have downloaded the Songify App on Desktop, but i need
to automate it.

                   I need to handle and run  multiple parallel instances.
Currently not possible with simulated Android environment.

                   I will try to follow the steps you have mentioned, and
will see, if any success is achieved.

                  I you  further got any clue/method to achieve it, or any
info  on it, plz  inform me.

Thanks and Regards,
Sunny.





On Tue, Jul 31, 2012 at 4:48 PM, Kassen <signal.automatique at gmail.com>wrote:

> On 31/07/2012, sunny chaudhary <uniquesunny at gmail.com> wrote:
> > Hi,
>
> Hey Sunny!
>
> > I am new to this technology. I want to do some media processing on static
> > file. I want to mix the recorded human voice with some music. The voice
> > should time stretch and pitch stretch, pitch shift as per the music
> > frequency. Totally want to merge sound with music. So when listening to
> the
> > final output, it produces voice playing as per the flow of music.
> >
> > Any idea how to achieve this?
> > Is CHUCK is the right tool for achieving this?
> > I need this functionality on urgent basis. We can pay for the solution.
>
> This is quite possible, but it would, of course, take some work to set it
> all
> up and callibrate it properly. As a basic method I'd take a "phase vocoder"
> (see wikipedia or your favourite text book). Examples for how to create
> something like that will be found in the examples directory, under
> "analysis",
> particularly the stuff dealing with fft.
>
> For the timing you will need to write some analysis of transients in both
> the
> vocal recording and the music, then come up with a way of lining those up.
> From
> memory; examples/deep/ should have a enevelope follower that you could use
> as
> a basis for that.
>
> It's possible but if you are new to this kind of thing and also need it in
> a
> hurry you have a lot of work ahead because this doesn't sound especially
> easy.
>
> A short while ago Smule released a "app" for mobile platforms that does
> basically exactly this. When you write that you are willing to pay for a
> sollution you could simply buy that? I think you'd still be running ChucK,
> underneath it all. Of course doing that will mean you don't get to learn
> about
> how such things work. For me that would be a factor but I realise it isn't
> for
> everyone.
>
> Hope that helps a bit.
> Yours,
> Kas.
>
> PS; thank you for agreeing to move the discussion to the list. I'm sure
> more
> people will be interested in the problem as it's quite a interesting one.
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