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Re: MacAliasRecord's Update problem...   -   Frank Bitterlich
  FFT   -   Scott Griebel
   Re: FFT   -   James Sentman
   Re: FFT   -   guillaume stagnaro
   Re: FFT   -   Bob Conway

FFT
Date: 28.08.02 16:25 (Wed, 28 Aug 2002 11:25:46 -0400 (EDT))
From: Scott Griebel

I am new to RealBasic programming but am a speech processing engineer by
trade. Are there FFT precompiled libraries for the Mac? I could write my
own in RealBasic but it would be slower. Also, I don't know how to build
my own libraries or I could write it in C.

Also, if I use these precompiled libraries, will the app not run on the
PC? If not, I am assuming that you can IFDEF and if windows, use the
windows dll and if mac, use the mac library. Is this how libraries are
handled in general for cross-platform development?

Thanks
Scott
<email address removed>



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Re: FFT
Date: 28.08.02 17:31 (Wed, 28 Aug 2002 12:31:40 -0400)
From: James Sentman

On Wednesday, August 28, 2002, at 11:25 AM, Scott Griebel wrote:

>
> I am new to RealBasic programming but am a speech processing engineer
> by
> trade. Are there FFT precompiled libraries for the Mac? I could write
> my
> own in RealBasic but it would be slower. Also, I don't know how to
> build
> my own libraries or I could write it in C.
>
> Also, if I use these precompiled libraries, will the app not run on the
> PC? If not, I am assuming that you can IFDEF and if windows, use the
> windows dll and if mac, use the mac library. Is this how libraries are
> handled in general for cross-platform development?
>
HI,

There is a realbasic plugin that does a fast fourier transforms. I have
only experimented with it and not in any serious projects, but it looks
good. It's shareware and it's at

http://www.septmr.com/

Click on the REALbasic link on the left.

Please let me or the list know what you find out. None of the reasons
I'd like to use it have had a chance to get to the top of my todo list
since they are fun and not business;)

Thanks,
James

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Re: FFT
Date: 28.08.02 18:09 (Wed, 28 Aug 2002 19:09:29 +0200)
From: guillaume stagnaro

On Wednesday, August 28, 2002, at 06:31 PM, REALbasic Network Users
Group wrote:

> Subject: FFT
> From: "Scott Griebel" <<email address removed>>
> Date: Wed, 28 Aug 2002 11:25:46 -0400 (EDT)
>
> I am new to RealBasic programming but am a speech processing engineer by
> trade. Are there FFT precompiled libraries for the Mac? I could write
> my
> own in RealBasic but it would be slower. Also, I don't know how to
> build
> my own libraries or I could write it in C.
>
> Also, if I use these precompiled libraries, will the app not run on the
> PC? If not, I am assuming that you can IFDEF and if windows, use the
> windows dll and if mac, use the mac library. Is this how libraries are
> handled in general for cross-platform development?
>
> Thanks
> Scott
> <email address removed>


There is an FFT plugin at :

http://www.septmr.com/

-guillaume

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Re: FFT
Date: 28.08.02 21:44 (Wed, 28 Aug 2002 15:44:26 -0500)
From: Bob Conway
I can't vouch for its quality, but there's a free
FFT library, written in C, to be found at...

http://www.fftw.org/

There would be some work involved on each target
platform, e.g., wrapping the code into some set
of classes and compiling to an RB plugin (using
CodeWarrior?) on the Mac and beating it into a
decent DLL (using Visual C++?) on Windows.

A major advantage of using a single code base like
this as a starting point would be that it should
be possible to make it work pretty much the same
way on both (or other) platforms. The work involved
would be challenging for any programmer, I think,
but perhaps well worth it for those who need
something like this and are willing to put in the
time and effort. (Or pay someone to do it!)
If only I weren't so busy....!!!

Bob C.

> On Wednesday, August 28, 2002, at 11:25 AM, Scott Griebel wrote:
>
> >
> > I am new to RealBasic programming but am a speech processing engineer
> > by
> > trade. Are there FFT precompiled libraries for the Mac? I could write
> > my
> > own in RealBasic but it would be slower. Also, I don't know how to
> > build
> > my own libraries or I could write it in C.
> >
> > Also, if I use these precompiled libraries, will the app not run on the
> > PC? If not, I am assuming that you can IFDEF and if windows, use the
> > windows dll and if mac, use the mac library. Is this how libraries are
> > handled in general for cross-platform development?
> >
> HI,
>
> There is a realbasic plugin that does a fast fourier transforms. I have
> only experimented with it and not in any serious projects, but it looks
> good. It's shareware and it's at
>
> http://www.septmr.com/
>
> Click on the REALbasic link on the left.
>
> Please let me or the list know what you find out. None of the reasons
> I'd like to use it have had a chance to get to the top of my todo list
> since they are fun and not business;)
>
> Thanks,
> James
>



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