http://www.diyaudio.com/forums/software-tools/288006-scimpy-open-source-speaker-design-impedance-measurements-book-win-mac-linux-4.html#post4644140

• SC4 has slightly better transient response. QB3 has better F3. Both are useful, but if you can only have one, QB3 is best, IMO.
• SPL phase for a box design isn't very useful, but since it comes along with the transfer function perhaps just a check box to enable/disable would be useful. Group delay is often desired, but I think few understand it enough for it to be really useful. Not terribly hard to add, though.
• Some sort of step/impulse response widget could be more useful
• Driver/Vent/PR displacement and velocity for a given stimulus, Max SPL (excursion and thermal limit, whichever is less) both are useful and easy to add.
• Dual voice coil support.
• Auxiliary filter alignments, passive radiators and 4th order bandpass (just a vented box stiffened by the sealed chamber and with no driver contribution to the sum response) are all quite easy to add.

http://www.zaphaudio.com/

There should be a speaker database to easily load/save

right now it just prints - use better logging:
https://docs.python.org/3.6/howto/logging.html

sound card device selection doesn't respect user's selection and only uses the default

include shunt resistance of inductor, acoustic loss and dampening/absorption terms (maybe even radiation? but in series with everything else so it might not be able to be measured)

Please, don't use direct links to Appveyor artifacts when it comes to release builds, Appveyor deletes them, resulting in unavailability of built packages.

• driver files
• speaker files

Talk about need for passive crossovers impedance matching zobels in docs, and why not needed if output impedance is low (in active crossovers)

when taking a measurement, catch the exception if a buffer over/under run occurs and tell user to either make buffer bigger or close other programs to free up some CPU bandwidth

from Ron E:
You will probably want to leave the box and leakage damping terms in. For simplicity just use the same vented box model with Qa(bsorption), Ql(eakage) and Qp(ort), with Qp set to very low value (e.g. 1e-6)

is Vb enclosure two sig figs?

from extracted parameters, easy to find impedance matching circuits. Are they useful?

Hi, there!

With the latest git-version I can't run the installer. This is what I've done:

As root:
apt-get install python3-scipy python3-pyaudio python3-matplotlib python3-pyqt5 python3-pandas
Reading package lists... Done
Building dependency tree
Reading state information... Done
python3-matplotlib is already the newest version (2.0.0+dfsg1-2).
python3-pandas is already the newest version (0.19.2-5).
python3-pyqt5 is already the newest version (5.7+dfsg-5).
python3-pyaudio is already the newest version (0.2.10-1).
python3-scipy is already the newest version (0.18.1-2).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

As user:
python3 setup.py install
Traceback (most recent call last):
File "setup.py", line 1, in
from setuptools import setup, find_packages
ImportError: No module named 'setuptools'

pip install scimpy
bash: pip: command not found

Have I missed something?

doesn't seem to

qms and qes changes vas, vas changes qms and qes fs, so you end up in a loop where you can't enter in values you need.

don't know yet how to fix this since you need auto-updating for consistency, otherwise you might end up with something that is impossible. maybe have "checkboxes" for "user supplied value" so auto-updater does not update? but then importing from measurements/saved files are annoying...

I installed Scimpy using apt and your repository.

But it doesn't start and I get this error massage:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/matplotlib/__init__.py", line 882, in __setitem__
    cval = self.validate[key](val)
KeyError: 'axes.autolimit_mode'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/scimpy", line 9, in <module>
    load_entry_point('scimpy==0.0.dev1', 'gui_scripts', 'scimpy')()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 542, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2569, in load_entry_point
    return ep.load()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2229, in load
    return self.resolve()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2235, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/lib/python3/dist-packages/scimpy/scimpyui.py", line 11, in <module>
    import scimpy.imptesterui as imptesterui
  File "/usr/lib/python3/dist-packages/scimpy/imptesterui.py", line 9, in <module>
    import scimpy.speakertest as speakertest
  File "/usr/lib/python3/dist-packages/scimpy/speakertest.py", line 15, in <module>
    import scimpy.speakermodel as speakermodel
  File "/usr/lib/python3/dist-packages/scimpy/speakermodel.py", line 14, in <module>
    matplotlib.rcParams['axes.autolimit_mode'] = 'round_numbers'
  File "/usr/lib/python3/dist-packages/matplotlib/__init__.py", line 888, in __setitem__
    See rcParams.keys() for a list of valid parameters.' % (key,))
KeyError: 'axes.autolimit_mode is not a valid rc parameter.See rcParams.keys() for a list of valid parameters.'

What can I do?
Do I miss same additional packages?

matplotlib is compiled against qt5 on anaconda, update dependencies here to qt5

add end effect (radiation)

sound card selector shows all APIs at once, duplicate card entries.

Perhaps have another selector to choose api, then only show devices associated with that API?

In equation 5.12 omega^2 is already taken in right hand part. How deos it still remain in the left hand part
In equation 5.14 and 5.15 when Z_e is expaned where does R_er (electrical equivalent of Radiation) is gone.

just do it numerically? this way it's the same process for everyone?

Hi, I apt-get installed the packages specified in README on Ubuntu 14.04, cloned the Git repo and performed sudo python3 setup.py install but it seems something is still missing?

Traceback (most recent call last):
  File "/usr/local/bin/scimpy", line 9, in <module>
    load_entry_point('scimpy==0.0.dev0', 'gui_scripts', 'scimpy')()
  File "/usr/lib/python3/dist-packages/pkg_resources.py", line 351, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python3/dist-packages/pkg_resources.py", line 2363, in load_entry_point
    return ep.load()
  File "/usr/lib/python3/dist-packages/pkg_resources.py", line 2088, in load
    entry = __import__(self.module_name, globals(),globals(), ['__name__'])
  File "/usr/local/lib/python3.4/dist-packages/scimpy-0.0.dev0-py3.4.egg/scimpy/scimpyui.py", line 9, in <module>
  File "/usr/local/lib/python3.4/dist-packages/scimpy-0.0.dev0-py3.4.egg/scimpy/imptesterui.py", line 9, in <module>
ImportError: cannot import name 'qt_compat'

Does anyone know any horn speaker design software?

get impedance measurements to work

Status

• ZMA support
• FRD support

Description
Save/load from FRD/ZMA
http://alloy.wishray.com/frd/frdis.htm
http://www.purebits.com/zmaconversion.html

FRD:

* Freq(Hz)  SPL(db)  Phase(deg)
*
10           21.0963   158.4356 
10.1517   21.0967   158.4363 
10.3056   21.3305   158.7836 
10.4619   21.5644   159.1299 
10.6205   21.7983   159.2452 
10.7816   22.032     159.3599 
...

ZMA:

* Hz Ohms Deg 
20.5078 8.6367 17.2747
23.4375 8.5838 17.4326
26.3672 8.5930 18.2126
29.2969 8.6587 19.2752
32.2266 8.7664 20.4470
35.1563 8.9045 21.6664
38.0859 9.0666 22.9222
41.0156 9.2514 24.2251
43.9453 9.4622 25.5941
46.8750 9.7079 27.0363
...

asterisks are comments
possibly accept csv with commas, semicolons, or spaces?
Smart comments: anything not starting with a number is a comment?