[DECtalk] text files
Jayson Smith
jaybird at bluegrasspals.com
Sun Dec 28 14:05:43 EST 2014
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Jayson
----- Original Message -----
From: Blake Roberts via Dectalk <dectalk at bluegrasspals.com>
To: "'DECtalk'" <dectalk at bluegrasspals.com>
Date: Sun, 28 Dec 2014 10:10:26 -0500
Subject: Re: [DECtalk] text files
> Mike, Did you create any other DT songs in addition to Yellow Submarine? I
> think that song was well done. I pulled your text file out of a zip called
> examples.zip generated years ago. I can't write to you off-list because
> listserv settings now hide email addresses, presumably for antispam
> purposes.
> Blake
>
> -----Original Message-----
> From: Dectalk [mailto:dectalk-bounces at bluegrasspals.com] On Behalf Of
Mike S
> via Dectalk
> Sent: Sunday, December 28, 2014 1:10 AM
> To: DECtalk
> Subject: Re: [DECtalk] the tone command
>
> Hi there. I can't believe those files are still around. I can
> embarrassingly admit to spawning that yellow submarine with the tones
> long long ago. All I did was use the pitch values that you use for the
> phonemes followed by the lengths. It's all charted out in the DecTalk
> Commands.txt file. Although, coming out of my old DecTalk PC2 it made
> a weird little flap before each tone like it was slapping the notes.
> Mike Sivill
>
>
>
> On 12/27/14, master_j44--- via Dectalk <dectalk at bluegrasspals.com> wrote:
> > Interesting read!
> >
> > I've always wanted to make my Dectalk sing but didn't know how to go
about
> > it. Is it a matter of writing the lyrics/tone codes in a notepad file
and
> > running that through some Dectalk window program?
> >
> > Any help/instructions would be most appreciated. Thanks. :)
> >
> > James
> >
> > From: Raymond C. Grote via Dectalk
> > To: DECtalk
> > Sent: Saturday, December 27, 2014 8:48 PM
> > Subject: Re: [DECtalk] the tone command
> >
> >
> > Hi,
> > It's been a ridiculously long time since I popped in here, but I've
been
> > fighting with e-mail settings forever and got tired of dealing with it.
> Now
> > I finally got it sorted.
> > The numbers used in Dectalk's tone command represent note frequencies.
> > Basically, the number represents how many times the wave travels up and
> down
> > in one second. The higher the frequency, the higher the pitch of the
tone.
> > Unfortunately, all this isn't very useful when it comes to musical
> > synthesizers. So there are several methods to convert musical notes to
> > frequency.
> > One thing that holds true though, is that the A above middle C has a
> > frequency of 440 hertz, so you'd use 440 in Dectalk's tone command to
> > generate that A. If you wanted the octave above, you'd use 880, for the
> > octave above that, you'd use 1760, etc. And for the octaves below, you'd
> use
> > 220, 110, etc. just doubling or halving the frequency depending on which
> > direction you wanted to go. "Fine," you say, "What about other notes?"
> > The easiest way to get other notes is to go online and try searching
for
> a
> > frequency to musical notes reference table. Many exist, with varrying
> > degrees of accuracy. I wouldn't spend too much time nit picking on
> accuracy
> > at least for Dectalk use, because I think Dectalk can only do whole
> numbers
> > anyway. One or two values off the mark isn't going to make too much of
an
> > audible difference. The main thing to check for is that there is an A
440
> on
> > the chart, and every A above that is doubling, and every A below is half
> > like I said above.
> > Now, the really dirty approach that you can do if you don't feel like
> > looking at a chart but instead want to do your own math. Why you would
use
> > this approach over a simple chart is beyond me unless you're genuinely
> > interested in the maths, but here goes anyway.
> > If you want to calculate other frequencies for other notes yourself,
you
> > can multiply a bass frequency, such as 440, by the 12th root of two. I'm
> not
> > sure what that is but I did have it written down before. I've done a
quick
> > calculation and if you multiply by 1.0594631, that is pretty close. So,
> 440
> > multiplied by 1.0594631 is about 466, so that 466 in Dectalk's tone
> command
> > would get you A sharp.
> > Now, that multiplication figure I gave above isn't totally accurate;
the
> A
> > an octave above, as I said, should be at 880 hertz exactly, but if you
do
> > the multiplication as suggested above, you'll get something like
> 880.00006.
> > Which won't make an audible difference to even the most trained ear.
Even
> if
> > you'd come up with 881, I doubt most people would notice, even if you'd
> > played 440 right before.
> > If you keep multiplying it out to get higher and higher using the
figure
> I
> > gave, you're not going to run into a huge margin of error until you get
> into
> > ultrasonics, and dectalk can only go up to 5512 HZ. Which is just a step
> up
> > from telephony. In other words it's not high enough to pose a problem
> here.
> > That said, however, if you actually multiply by the 12th route of 2
> > properly, you'll avoid that margin of error, or at the very least, keep
it
> > negligible.
> > I hope all of this has helped. Don't let the complicated
multiplication
> by
> > the 12th root of 2 and the like overwhelm you. I just put it here to
show
> > how to do it scientifically if you were interested to take that route.
> Like
> > I said, just looking them up on a reference table really should be all
you
> > have to do to get satisfactory results.
> >
> > ----- Original Message -----
> > From: Blake Roberts via Dectalk
> > To: 'DECtalk'
> > Sent: Saturday, December 27, 2014 8:20 PM
> > Subject: [DECtalk] the tone command
> >
> >
> > I have known for years about the Dectalk command for generating
> musical
> > tones.
> >
> > [:tone]
> >
> > However, I have never understood which tones represent what notes.
> Does
> > anyone know of a method for figuring that out? As an example of a file
> with
> > tones, I am attaching We All Live In A Yellow Submarine text file. I
have
> no
> > idea who made it. The fact that the tone command is used near the end to
> > create a melody amazes me.
> >
> > Blake
> >
> >
> >
> >
>
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> >
> >
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> > Dectalk at bluegrasspals.com
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> >
> >
> >
> >
>
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