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Description:

pyatsyn 1.0.0

ABOUT pyatsyn
pyatsyn is a python implementation of the Analysis-Transformation-Synthesis (ATS) spectral modeling system.
Analysis, Transformation and Synthesis (ATS) is a spectral modeling system based on a sinusoidal plus critical-band noise decomposition. The system can be used to analyze recorded sounds, transform their spectrum using a wide variety of algorithms and resynthesize them both out of time and in real time.
pyatsyn Documentation at readthedocs.io

pyatsyn Copyright (c) <2023>, Johnathan G Lyon
All rights reserved.
Except where otherwise noted, ATSA and ATSH is Copyright (c) <2002-2004>
Oscar Pablo Di Liscia, Pete Moss, and Juan Pampin
This source code is licensed under the BSD-style license found in the
LICENSE.rst file in the root directory of this source tree.

INSTALLATION
requires python 3.6+
developed/tested on python 3.9.15 using M1 Mac running macOS 13.0.1
requires LIBSNDFILE
for Mac (assuming Homebrew is installed): $ brew install libsndfile
for Debian: $ apt-get install libsndfile-dev
install via the PyPi repository
$ pip install pyatsyn

included command line utilities
$ pyatsyn-atsa --help
$ pyatsyn-info --help
$ pyatsyn-synth --help

Example command line usage to generate an ats file with residual:
$ pyatsyn-atsa example.wav example.ats -v -r example-residual.wav

Example to print information about a .ats file to stdout:
$ pyatsyn-info example.ats

Example to synthesize the result using a sine-generator bank:
$ pyatsyn-synth example.ats synthesized.wav

Example to synthesize the result a sine-generator bank and w/ band-limited noise synthesis for the residual:
$ pyatsyn-synth example.ats synthesized_w_noise.wav --noise 1.0

for Developers, if using from source
$ git clone https://github.com/boxofbox/pyatsyn

i recommend running in a virtual environment from within the project base directory
$ cd pyatsyn
$ python -m venv .venv
$ source .venv/bin/activate

python libraries required:
$ pip install numpy
$ pip install soundfile

optional documentation generation requires:
$pip install sphinx
$pip install sphinx_rtd_theme

may need to be run as a package in development mode
(from within the outermost pyatsyn directory containing the pyproject.toml file)
$ pip install -e .

If you are a newcomer to ATS, we recommend you start by looking at pyatsn/atsa/tracker.py