Jonathan

Jonathan

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ABOUT ME
Audio DSP (and analog electronics) engineer
Audio DSP (and analog electronics) engineer

I'm an electronics engineer, specializing in signal processing, and I <3 Python. I contribute to NumPy/SciPy in my free time, especially scipy.signal.

Since my specialty is DSP theory, the video chat format might not be the most useful. I can do that if you're having trouble with something specific, but the "for hire" feature might be better.

English
Eastern Time (US & Canada) (-04:00)
Joined October 2014
EXPERTISE
6 years experience
See NumPy and SciPy sections, also have done some web programming, web scraping, scripting, music theory, etc: https://gist.github.com...
See NumPy and SciPy sections, also have done some web programming, web scraping, scripting, music theory, etc: https://gist.github.com/endolith/3514782 https://gist.github.com/endolith/b740060d61cf2a37c734 https://gist.github.com/endolith/2004789 https://gist.github.com/endolith/1119561
ScipyNumPy
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ScipyNumPy
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3 years experience
Took Voice and Image Processing, Subsurface Sensing classes in school, some projects in free time: https://gist.github.com/endolith/33...
Took Voice and Image Processing, Subsurface Sensing classes in school, some projects in free time: https://gist.github.com/endolith/334196bac1cac45a4893 http://dsp.stackexchange.com/a/687/29
11 years experience
Concentrated in signal processing in school, answer questions on dsp.stackexchange.com in free time: http://dsp.stackexchange.com/users/2...
Concentrated in signal processing in school, answer questions on dsp.stackexchange.com in free time: http://dsp.stackexchange.com/users/29/endolith Example code using numerical methods to solve for Legendre and Bessel filter designs: https://gist.github.com/endolith/c80f9e6bf3b407c2f567 https://gist.github.com/endolith/3f74c4ec9ea623812cca
3 years experience
Learned embedded programming in school. At work, I programmed CC2510 8051-based system on a chip for wireless remote control transmitter...
Learned embedded programming in school. At work, I programmed CC2510 8051-based system on a chip for wireless remote control transmitters and receivers in a pseudo-mesh network. In free time, wrote a cryptographic random number generator for Arduino that was adopted by others and has since evolved into the Entropy library: https://gist.github.com/endolith/2568571
Electronics
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Electronics
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5 years experience
I've made a number of contributions to SciPy, starting in 2012, including documentation, bug fixes, and new features, mostly to the signa...
I've made a number of contributions to SciPy, starting in 2012, including documentation, bug fixes, and new features, mostly to the signal processing module: https://github.com/scipy/scipy/pulls?q=is%3Apr+author%3Aendolith+
5 years experience
I've made some contributions to the NumPy project: https://github.com/numpy/numpy/pulls?q=is%3Apr+author%3Aendolith+ Also was a tec...
I've made some contributions to the NumPy project: https://github.com/numpy/numpy/pulls?q=is%3Apr+author%3Aendolith+ Also was a technical reviewer for this book: https://www.packtpub.com/application-development/learning-numpy-array
Scipy
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Scipy
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IIR Filter
11 years experience

REVIEWS FROM CLIENTS

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SOCIAL PRESENCE
GitHub
waveform_analysis
Functions and scripts for analyzing waveforms, primarily audio. This is currently somewhat disorganized and unfinished.
Python
146
46
freesound-thumbnailer
A Gnome thumbnailer for audio files, based on the method used at Freesound.org
Python
27
3