Re: [ecasound] Wanted: examples of using the file update/readwrite mode

From: Joel Roth <joelz@email-addr-hidden>
Date: Mon Sep 20 2010 - 09:42:23 EEST

On Sun, Sep 19, 2010 at 02:44:22PM -0700, linux media 4 wrote:
> On 09/19/2010 04:13 AM, Joel Roth wrote:
> > Hello all!
> >
> > I see that the -X flag sets this mode, but how does it work
> > in practice?
> >
> > Can anyone point me to some basic examples?
> >
> > I'm contemplating a punch-in/punch-out function.
> > Perhaps this mode will help me...
> >
> > Joel
>
> Hi,
>
> Here's one way of explaining it...
>
> You have an audio file of 120 seconds that you recorded guitar on...
> You want to record over the part between 30 and 60 seconds...
>
> This is what would happen with the two different modes...
>
> With -X (Open outputs for updating)...
> * The (old) guitar parts from 0 to 30 seconds would be unaltered...
> * The (new) guitar part from 30 to 60 seconds would be recorded
> successfully...
> * All the old parts from 60 to 120 seconds would also be unaltered...
> (You just "updated" the parts you recorded over)
>
> With -x (Truncate outputs)...
> * The (old) guitar parts from 0 to 30 would be gone (ecasound would pad
> that area with silence)...
> * The (new) guitar part from 30 to 60 seconds would be recorded
> successfully.
> * All the old parts from 60 to 120 seconds would not be there.
> (The audio file would 60 seconds in length because the file was "truncated")
>
> With -x, it seems to work slightly differently when running in
> interactive mode and non-interactive mode. The simplest scenario is with
> non-interactive mode in which the file is as long as you record for each
> individual time and is all new audio each time. But you'll have to
> experiment with interactive mode to get to know exactly how that works
> with -x.
>
> Hope that helps,
> Rocco

Thanks Rocco. At least I have an idea of how Ecasound behaves.

Looks like for editing in notes or short phrases, I will
need some more delicate technique.

Regards,

Joel

-- 
Joel Roth
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Received on Mon Sep 20 12:15:01 2010

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