Re: [Audacity-nyquist] How to repeat.

[<tsh...@gm...>]

HI, Thank you.

I don't mind wheather sim or seq.
I think My problem is on the extract.
In case using seq,

(setf s0 (aref s 0))
(setf s1 (aref s 1))

(setf a0 (extract-abs 0 0.5 (cue s0)))
(setf a1 (extract-abs 1.0 2.0 (cue s0)))
(seq (cue a0) (cue a1))

I tried this script, I expect the result should be 0-0.5ms followed by
1.0-2.0ms of

original audio, so the results duration is 0.5+1.0=3D1.5ms.

But the answer from audacity is 0-0.5ms followed by 1.0-last of original
audio.

I confirm to return audacity audio a1 also, and the result is 1.0-2.0ms of

original audio. But the result of seq have unnecessary tail of original
audio.

I cannot understand the reason.




2007/8/16, David R. Sky <dav...@sh...>:
>
> Hi,
>
> If you want 'bits' of audio to immediately follow one another, use 'seq'
> instead of 'sim' - seq is like "sequence", 'sim' is like "simultaneous",
> which
> is where I use at-abs.
>
> Don't use 'at-abs' when you use seq in this way.
>
> Is this what you were asking?
>
> David
>
> --
> David R. Sky
> http://www.shellworld.net/~davidsky/
>
>
> On Thu, 16 Aug 2007, =C7=F2=B0=E6=C2=F3=CC=E9 wrote:
>
> > Thank you, David, for your answer.
> > I looked at SilenceFinder and I think I can find the silence point.
> > But I don't understand the way to insert additional silence duration
> > to the point.For example, I would like to double the silece duration.
> >
> > I tried your source code, using at-abs. I got moved audio, thank you
> > for your advice.
> >
> > But when I changed to source to extract only 0.5ms and repeat it like
> > following,
> > I got 0-0.5ms followed by 0-last of origial audio.
> > I think the result should be 0-0.5ms followed by 0-0.5ms.
> > I don't understand why this occur and how to got the wanted result.
> >
> > (setf a0 (extract-abs 0 0.5 (cue s)))
> >
> > (sim
> > (cue a0)
> > (at-abs 0.5 (cue a0)))
> >
> >
> >
> >
> >
> >
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