From: Konrad Meyer <konrad@...>
Date: 2007-12-15T10:47:36+09:00
Subject: Re: Work with Audio Files

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Quoth Petr Kout:
> Konrad Meyer wrote:
> > Quoth Petr Kout:
> >> >=20
> >> Thanks.
> >>=20
> >> Peter
> >=20
> > There is a great library out in the wild called "metadata" that you can=
=20
> > use to
> > get information about mp3s (as well as many other filetypes) that I=20
> > think is
> > available in gem form. You might take a look at that.
> >=20
> > If you want to truncate a constant bitrate mp3, AFAIK they are=20
> > structured such
> > that you *could* crudely lop off some bytes from the end (channels *
> > time_to_clip * bitrate bytes). If not, you'll need to use some sort of
> > external mp3 library. I don't know of any that exist with ruby bindings=
=2E=20
> > You
> > might look at LAME though I'm not sure how much that will do.
> >=20
> > HTH,
>=20
> Okay Konrad, thanks very much! That sounds interesting. I will=20
> definitely look into it. I was thinking that for cutting the mp3, I=20
> might look for some other technology, such as a command line tool for=20
> Linux and run it from inside Ruby on Rails. The metadata library sounds=20
> like exactly what I need. I also need a library to crop pictures, but I=20
> assume that that one should be much easier to find.
>=20
> Thanks again.
>=20
> Peter

Yeah, I'd recommend using some sort of command-line tool for cutting the mp=
3.

Regards,
=2D-=20
Konrad Meyer <konrad@tylerc.org> http://konrad.sobertillnoon.com/

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