mcse | channel speech enhancement system | Speech library
kandi X-RAY | mcse Summary
kandi X-RAY | mcse Summary
This is a multi-channel speech enhancement system implementing MVDR beamformer optionally followed by 5 different post-filters:. The main function is multichannel_speech_enhancement.py.
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Top functions reviewed by kandi - BETA
- Compute the noise field coherence matrix
- R Calculates the time delay of an orbit
- Calculates the frequencies of the Fourier transform
- Compute the Sparse Time Fourier Transform
- Return the next pow2
- R Calculate the free field of a propagation vector
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QUESTION
In the R language, optimization can be achieved by using purrr::map()
or furrr::future_map()
functions. However, I am not sure how does optimization works for np.array()
methods. Indeed, I would like to understand how does Python and R scales out to parallel processing [1, 2] in terms of complexity and performance.
Thus, the following questions arise:
How does the optimization of np.array()
in Python works comparing to purrr::map()
and furrr::future_map()
functions in the R language?
By doing a simple tictoc
test on purrr
/furrr
, I can observe that we have a big win from vectorization in both cases. Nonetheless, I can also notice that the results seem to show that the R language is just fundamentally faster.
ANSWER
Answered 2021-Oct-15 at 19:40I believe numpy wraps some of its "primitive" objects in wrapper classes which are, themselves, Python (eg. this one). When looking at the R mirror source, I conversely find an array class that's basically native code (aka C). That extra indirection layer alone could explain the difference in speed, I guess.
QUESTION
While I'm not a Javascript expert, I'm pretty familiar with it and have used it for years. As far as I know there is no ability to overload functions or constructors (from a language support perspective; of course you can basically simulate it).
So I want to get a MCSE and going through a study book for one of the exams I will take and I see what's included in the attached image. It appears as though the book is suggesting Javascript would choose the correct constructor (the one with no parameters, or the one with 3 parameters) based on whether you call it with 0 or 3 parameters. Is that right? I didn't think that Javascript did that. What am I missing here?
...ANSWER
Answered 2020-May-27 at 22:14That defines Book()
and then immediately redefines it, ignoring the previous definition. I'm not sure why you'd do that, and given how out of date this code is, ES6 introduces class
which makes this all irrelevant, it may be a merely academic point now.
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You can use mcse like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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