[wplug] Audio: Compression Utility?

[Robert E. Coutch]

I use a program actually named normalize.

It came from:  http://www.cs.columbia.edu/~cvaill/normalize/


Hope this helps,

Bob

Russ Schneider wrote:

> I'm not talking about Ogg or MP3 type compression here, I'm talking 
> about taking an audio file and compressing it, evening out the levels, 
> preventing harsh spikes.
>
> A google search came up rather bleak, flooded with ogg/mp3 type 
> examples.  I was wondering if anyone on this list use a compression 
> tool, hopefully something as simple as the following normalize tool 
> someone shared with me:
>
>
> #!/usr/bin/perl
> # this takes all the files on the command line, and amplifies them all
> # _by the same amount_ as much as possible without clipping.
>
> foreach $file (@ARGV) {
>     print "$file should be adjusted by ";
>     open SOX, "-|", "nice sox \'$file\' -e stat -v 2>&1" or die;
>     chomp($sox = <SOX>);
>     close SOX;
>     print "$sox.\n";
>     $adjust = $sox if $adjust > $sox or not defined $adjust;
> }
> exit unless $adjust > 1;
> print "Adjusting volume by $adjust for:\n";
> foreach $file (@ARGV) {
>     print "\t$file\n";
>     system "nice", "sox", "-v", $adjust, $file,
>            "-t", "wav", "$file.temp" and die;
>     rename "$file.temp", $file or die;
> }
> print "done.\n";
>
>