Speaker design and impedance measuring tool
Scimpy is an open-source, cross-platform loudspeaker design tool. Features include:
- Modeling speaker impedance, phase, SPL, and group delay from TS Parameters
- Measuring speaker impedance using your sound card as a signal generator and data acquisition system
- Extract TS parameters from measured results and downloaded ZMA files.
- Loudspeaker cabinet design: the tool will calculate speaker performance (SPL and group delay) for sealed and vented box designs. Will calculate “optimal” cabinet dimensions for traditional speaker alignments (B2 closed box, QB4-B4-C4)
- A complete book covering speaker design theory
Scimpy is short for “Sound Card Impedance Measurements in PYthon”
General Python Requirements:
Python 2 or 3, scipy, numpy, pyaudio, matplotlib, pandas and either pyqt4 or pyside
Debian/Ubuntu development environment & installation:
sudo apt-get install python3-scipy python3-pyaudio python3-matplotlib python3-pyside python3-pandas python3 setup.py install
Windows Python Environment & Scimpy Installation:
Full install (LARGE), comes with spyder IDE and many other python packages
install anaconda (https://www.continuum.io/downloads), open anaconda console and then in the anaconda console run “pip install pyaudio”.
If you want more control over the sound card, you can use a version of pyaudio built with more APIs available. Download pyaudio from: http://www.lfd.uci.edu/~gohlke/pythonlibs/ then open the anaconda console and install pyaudio with “pip install PyAudio-0.2.9-cp35-none-win_amd64.whl” replacing PyAudio-0.2.9-cp35-none-win_amd64.whl with the name of the file you downloaded.
Install miniconda (32bit, even if you have 64 bit - makes things easier) from: http://conda.pydata.org/miniconda.html
Open Windows PowerShell (Start Menu, search for “Windows PowerShell”) and type the following commands:
conda update conda conda install matplotlib scipy numpy pip install pyaudio cd LOCATION_WHERE_SCIMPY_WAS_DOWNLOADED python run.py
How to build Windows binaries
PyInstaller works. First install pyinstaller:
pip install pywin32 pyinstaller conda install setuptools=19.2
(downgrading setuptools: https://github.com/pyinstaller/pyinstaller/issues/1781)
pyinstaller -F run.py
to get a single executable in dist/
LaTeX (e.g., MiKTeX)
Book/Documentation: CC-BY-SA 4.0
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