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.. image:: https://img.shields.io/pypi/v/samplerate.svg :target: https://pypi.python.org/pypi/samplerate
.. image:: https://img.shields.io/pypi/l/samplerate.svg :target: https://pypi.python.org/pypi/samplerate
.. image:: https://img.shields.io/pypi/wheel/samplerate.svg :target: https://pypi.python.org/pypi/samplerate
.. image:: https://img.shields.io/pypi/pyversions/samplerate.svg :target: https://pypi.python.org/pypi/samplerate
.. image:: https://readthedocs.org/projects/python-samplerate/badge/?version=latest :target: http://python-samplerate.readthedocs.io/en/latest/?badge=latest :alt: Documentation Status
This is a wrapper around Erik de Castro Lopo's libsamplerate
_ (aka Secret
Rabbit Code) for high-quality sample rate conversion.
It implements all three APIs <http://www.mega-nerd.com/libsamplerate/api.html>
_ available in
libsamplerate
_:
The libsamplerate
_ library is statically built together with the python bindings
using pybind11 <https://github.com/pybind/pybind11/>
_.
$ pip install samplerate
Binary wheels of libsamplerate
_ for macOS and Windows (64 bit) are available.
For other systems, a C++ 14 or above compiler is required to build the package.
.. code-block:: python
import numpy as np import samplerate
fs = 1000. t = np.arange(fs * 2) / fs input_data = np.sin(2 * np.pi * 5 * t)
ratio = 1.5 converter = 'sinc_best' # or 'sinc_fastest', ... output_data_simple = samplerate.resample(input_data, ratio, converter)
resampler = samplerate.Resampler(converter, channels=1) output_data_full = resampler.process(input_data, ratio, end_of_input=True)
assert np.allclose(output_data_simple, output_data_full)
samplerate.CallbackResampler
for the Callback API, orexamples/play_modulation.py
for an example.See samplerate.resample
, samplerate.Resampler
, and
samplerate.CallbackResampler
in the API documentation for details.
scikits.samplerate <https://pypi.python.org/pypi/scikits.samplerate>
_
implements only the Simple API and uses Cython <http://cython.org/>
_ for
extern calls. The resample
function of scikits.samplerate
and this package
share the same function signature for compatiblity.
resampy <https://github.com/bmcfee/resampy>
_: sample rate conversion in
Python + Cython.
This project is licensed under the MIT license <https://opensource.org/licenses/MIT>
_.
As of version 0.1.9, libsamplerate
_ is licensed under the 2-clause BSD license <https://opensource.org/licenses/BSD-2-Clause>
_.
.. _libsamplerate: http://www.mega-nerd.com/libsamplerate/
FAQs
Monolithic python wrapper for libsamplerate based on pybind11 and NumPy
We found that samplerate demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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