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Re: [SoX-users] Feature request: split tracks.
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From: Michael C. <ch...@mc...> - 2008-02-08 06:35:23
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Great !
and, obviously, many thanks;
Michael
On Thursday 07 February 2008 8:57 pm, robs wrote:
> In progress, will be in 14.0.2
>
> Cheers,
> Rob
>
> --- Michael Chapman <ch...@mc...> wrote:
> > On a different topic Chris Bagwell wrote (09 January
> >
> > 2008 3:16) :
> > > There is no single effect in SoX to do this but it
> >
> > contains enough
> >
> > > building blocks to get it done.
> >
> > The wonder of SoX is the "building blocks" and the
> > infinte ways they
> > can be arranged. However my 'workaround' for
> > splitting multi-track files
> > is becoming increasingly messy (especially when the
> > number of tracks is
> > into double figures).
> >
> > I would like to:
> > 1) Extract a single track from a multi-track file.
> > in.wav --> out-track-23.wav
> > 2) Split a multi-track file:
> > in.wav --> out01.wav, out02.wav, ...,
> > out99.wav
> >
> > Apologies if I have missed something, but thus far
> > my messy workaround is:
> > <CODE>
> > my $on = " square fmod 10 0 0 100" ; #
> > mutiply by 1
> > my $off = " square create 10 50 0 0"; #
> > replace with 0
> > my %off; $off{0} = " ";
> > for ( my $n = 1 ; $n < $channels ; $n++ ){
> > $off{$n} = $off
> > x $n }
> > for ( my $n = 1 ; $n < $channels + 1 ;
> > $n++){
> > my $k = $n -1;
> > my $l = $channels - $n;
> > SoX ( "$file -c 1 $tdir/tmp.wav
> > synth 0
> > $off{$k} $on $off{$l} " );
> > # etc., etc. (rename tmp.wav, etc.)
> > </CODE>
> > This is so messy I tend to think I have missed
> > something!!
> >
> > Thanks,
> > Michael
>
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