[DECtalk], Re: dectalk in mp3 format

  • From: "Jayson Smith" <ratguy@xxxxxxxxxxxxx>
  • To: <dectalk@xxxxxxxxxxxxx>
  • Date: Mon, 9 Aug 2004 21:49:04 -0400

Hi,
I'm not familiar with Ntrack.  What's that?  I do have Soundforge 6.  It has
a good sample rate convertor.  Go into the Process menu, Alt+P, then hit the
s key for resample.  Hit tab once and there's an edit spin box for the
sample rate.  Tab twice and there's a check box for using an anti-aliasing
filter.  Be sure this is checked.  Then hit Enter and it should do it.  If
you check the box to set sample rate only and not resample, it will simply
change the sample rate in the file header, but won't change any of the data.
This would be good for quickly speeding up or slowing down audio.
Jayson.

----- Original Message -----
From: "Nick Gawronski" <nick@xxxxxxxxxxxxxxxxx>
To: <dectalk@xxxxxxxxxxxxx>
Sent: Monday, August 09, 2004 7:29 PM
Subject: [DECtalk], Re: dectalk in mp3 format


> Hi, I use soundforge 6.0 for single track editing and ntrack for multi
track
> editing will these tools work ok?  bye
> My web page is at http://www.nickgawronski.com
> ----- Original Message -----
> From: "Jayson Smith" <ratguy@xxxxxxxxxxxxx>
> To: <dectalk@xxxxxxxxxxxxx>
> Sent: Monday, August 09, 2004 6:13 PM
> Subject: [DECtalk], Re: dectalk in mp3 format
>
>
> > Hello,
> > This answer will be brief, as I don't know how knowledgable you are in
the
> > field of audio editing, what software you have available to you, etc.
If
> > you'd like a more detailed letter please let me know, and also tell me
> what
> > you have at your disposal.  Also, anybody else who has other tips, or a
> > better way to do it, please feel free to chime in!  This is an often
> > overlooked part of creating a Dectalk performance, and it wouldn't hurt
to
> > get a discussion going and get a few good tips!
> > Ok, I'm assuming you're using the speak43 application, telling it to
> convert
> > to .wav files.  As far as I know, the highest quality you can get from
> > speak43 itself is 11025 sampling rate, 16 bit.  You want that.  I also
> > assume you're trying to do something like make Dectalk sing in harmony,
a
> > round, etc.  If so, then you'll have to have one file for each part of
the
> > song and convert them to separate wav files, or that would be the
easiest
> > route anyway.  After that, you'll want to mix them of course to create
> what
> > will probably be close to the finished product.  On some sound cards,
> lower
> > sample rates produce a slight hissing sound, and on some those sample
> rates
> > even cause aliasing.  Aliasing is the introduction of unwanted high
> > frequencies into the audio, which weren't in the original product.  This
> is
> > caused by quick and dirty sample rate conversions among other things.
> > Goldwave, for example, has a sample rate convertor but if you use it to
> > upsample, that is, convert to a higher sample rate, you get aliasing.
> Cool
> > Edit Pro at least, has a convertor which takes care of the aliasing
> problem
> > and you end up with a product which sounds almost, if not exactly, like
> the
> > original.  Because of various low sample rate issues, I always upsample
my
> > stuff using Cool Edit Pro, usually to 44100, which is the standard
sample
> > rate for CD quality material.  Always keep it sixteen bit!  It really
> > doesn't matter about mono Vs. stereo, but just remember to keep it 16
bit!
> > The reason is that once you convert to 8 bit, the extra precision of 16
> bit
> > audio is lost and you can't get it back again, not even by converting it
> to
> > 16 bit audio again.  So here's what I do.
> > First I get all the wav files of all the parts to the song.  I then
> upsample
> > them using Cool Edit Pro.  Then I start a new project in Cakewalk Pro
> Audio
> > 9.  I then put each of the newly upsampled wav files on its own track.
> Any
> > time you mix audio together, you're bound to end up with some clipping
or
> > distortion if you keep the volumes the same.  Because of that, I lower
the
> > volume on all the tracks until there is no clipping.  Then I mix that
down
> > to a new .wav file, then run that through a Normalize command, which
> raises
> > the total overall volume to the maximum possible without clipping.
> > Hope this helps!
> > Jayson.
> >
> > ----- Original Message -----
> > From: "Nick Gawronski" <nick@xxxxxxxxxxxxxxxxx>
> > To: <dectalk@xxxxxxxxxxxxx>
> > Sent: Monday, August 09, 2004 6:17 PM
> > Subject: [DECtalk], dectalk in mp3 format
> >
> >
> > > Hi, What is the best way to mix and convert dectalk stuff into mp3
> format?
> > > bye
> > > My web page is at http://www.nickgawronski.com
> > >
> > >
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> > >
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>
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