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This is some additional information on ObjectProDSP and a request for
feedback. Items discussed are DSP knowledge required, disk space and
memory requirments, commercial licensing and FTP sites.

ObjectProDSP is a tool for Digital Signal Processing (DSP) design analysis
and implementation and an application framework for scientific and
engineering applications. It is is licensed for free use and distribution
under version 2 of the Gnu General Public License, version 2 (GPL).

A full description is availble at tsx-11.mit.edu in file
/pub/linux/packages/dsp/opd-0.1-announce and at
SunSITE.unc.edu in file /pub/Linux/devel/opd/opd-0.1-announce.gz.
If you do not have FTP access send us an e-mail request.

If you have tried ObjectProDSP we would appreciate any comments you have
on the package. If you have an interest in DSP tools but are not
planning to try it we would appreciate knowing the reason.

           Minimal knowledge of DSP is required.

The mathematics of DSP can be complex. However little knowledge
is required to use this tool. If you know what complex numbers and a sine
function is and understand the difference between a frequency domain
(spectrum) and time domain (time series) plot you know enough DSP to use
ObjectProDSP. If you are just curious about DSP this may provide an easy
intuitive way to learn more about it.

           Disk space (as litte as 3.3 MB required)

Although building and validating the full ObjectProDSP system requires
substantial disk space, little disk space is required to use it.
The binary distribution uses 8 MB. If you only use the package for
DSP analysis (no stand alone executables) and only in floating point
you can delete the subdirectories `lib', `src', `scripts', `validate'
and all the files in `bin' *except* `banner', `opd', `opd_gui_exe' and
`opd_gui_dsp'. If you do this you will only need 3.323 MB of space.

           Memory requirments

We do not know the mimimum memory requirements. If you have 32 MB total
of physical memory  plus swap space and you can run other X-windows
applications without excessive thrashing you can probably run ObjectProDSP.
We are interested in hearing about configuratins that are or are not
adequate.

           Commercial licensing

In offering commercial licensing for a fee it is not our intention to
create two levels or versions. We will require that all improvements
or extensions of ObjectProDSP and ObjectPro++ be released under the
GPL regardless of how they are used commercially. We will
allow proprietarty and commercial only applications to be developed
under a commercial license. Of course the distinction between extensions
and applications is not without ambiguity. In most practical cases we
think the difference will be clear. We have agreed to let the Free
Software Foundation review any commercial license we develop and we
will seriously consider any suggestions or objections they have.

ObjectProDSP and ObjectPro++ are trademarks of Mountain Math Software.

                FTP Sites

             tsx-11.mit.edu

    All files are in directory: /pub/linux/packages/dsp
    1.57 MB opd-0.1-src.tar.gz (Source)
    2.25 MB opd-0.1-bin.tar.gz (Binary)
    1.08 MB opd-0.1-doc.tar  (All documentation)
    16.0 kB opd-0.1-announce (Package description)
    1.62 kB opd-0.1-lsm

              SunSITE.unc.edu

    All files are in directory: /pub/Linux/devel/opd
    1.57 MB opd-0.1-src.tar.gz (Source code)
    2.25 MB opd-0.1-bin.tar.gz (Linux binaries)
    527 kB ovr_front.ps.gz (Overview and tutorial, 16 MB uncompressed)
    53 kB ovr_app.ps.gz (Overview appendixes)
    130 kB nodeman.ps.gz (Library reference)
    208 kB userman.ps.gz (User reference)
    130 kB devman.ps.gz (Developer's manual)
    8 kB opd-0.1-announce.gz (Package description)
    0.7 kB opd-0.1.lsm.gz (LSM description)
    0.4 kB bytes IAFA-opd-0.1.gz (IAFA description)

                ftp.funet.fi

    All files are in directory: /pub/OS/Linux/util/electronics/opd
    4.9 MB opd-0.1.tar.gz (Binary, source and documentation)
    1.6 kB opd-0.1.lsm (LSM description)
    0.7 kB bytes IAFA-opd-0.1 (IAFA description)


Paul Budnik
Mountain Math Software
support@mtnmath.com
P. O. Box 2124, Saratoga, CA 95070
(408) 353-3989