Prosody stylization
Project description
CoPaSul - Contour-based, parametric, and superpositional intonation stylization
Author
- Uwe Reichel, Research Institute for Linguistics, Hungarian Academy of Sciences, Budapest
Purpose: Prosodic Feature extraction
- Intonation
- Global f0 register
- Local f0 shapes
- Prosodic boundaries
- Energy
- Rhythm
- Voice quality
Dependencies
- Python:
>= 3.8
- Packages: see
requirements.txt
- tested for Linux and Python 3.8, and 3.10
Installation
From PyPI
- set up a virtual environment
venv_copasul
, activate it, and install copasul. For Linux this works e.g. as follows:
$ virtualenv --python="/usr/bin/python3" venv_copasul
$ source venv_copasul/bin/activate
(venv_copasul) $ pip install copasul
From GitHub
- project URL: https://github.com/reichelu/copasul
- set up a virtual environment
venv_copasul
, activate it, and install requirements. For Linux this works e.g. as follows:
$ git clone git@github.com:reichelu/copasul.git
$ cd copasul/
$ virtualenv --python="/usr/bin/python3" venv_copasul
$ source venv_copasul/bin/activate
(venv_copasul) $ pip install -r requirements.txt
Usage
Required files
- audio (wav), f0, pulse, and annotation files (Textgrid), see on GitHub:
tests/minex/input
- a config file (json), see on GitHub
tests/minex/config/minex.json
- see on Github
docs/copasul_commented_config.json.txt
and the article for further details
- see on Github
Extract f0 and pulse by means of Praat
- see example script
# add this line if you use the code from GitHub
# sys.path.append(PROJECT_ROOT)
from copasul import praat_utils
# Praat pitch extractor
piex = praat_utils.PraatPitchExtractor(
hopsize=0.01, minfreq=75, maxfreq=600)
# process mono files
piex.process_mono_files(
input_dir=INPUT_AUDIO_DIR,
output_dir=OUTPUT_PITCH_DIR,
input_ext="wav",
output_ext="f0"
)
# ... in order to process stereo files, use:
# piex.process_stereo_files()
# Praat pulse extractor
puex = praat_utils.PraatPulseExtractor(
hopsize=0.01, minfreq=75, maxfreq=400)
# process mono files
puex.process_mono_files(
input_dir=INPUT_AUDIO_DIR,
output_dir=OUTPUT_PULSE_DIR,
input_ext="wav",
output_ext="pulse"
)
# ... in order to process stereo files, use:
# puex.process_stereo_files()
Call Copasul from terminal (if cloned from GitHub)
- see on example script
python scripts/run_copasul.py [-c myConfigFile.json]
PROJECT_ROOT
: directory where GitHub project has been cloned
(venv_copasul) $ cd PROJECT_ROOT/scripts/
(venv_copasul) $ python run_copasul.py -c ../tests/minex/config/minex.json
- if you use
../tests/minex/config/minex.json
as config file, CoPaSul- processes the files in
../tests/minex/input/
, and - outputs feature tables to
../tests/minex/output/test.FEATURESET.{csv, R}
- outputs the CoPaSul output dict to
../tests/minex/output/test.pickle
- this output dict can be used for further (warm start) processing
- processes the files in
- if you use your own config file, make sure, that all directories in
fsys:*:dir
are either absolute paths or relative paths relative to your config file
Example integration into python code
import json
import pickle
import sys
# add this line if you use the code from GitHub
# sys.path.append(PROJECT_ROOT)
from copasul import copasul
# feature extractor
fex = copasul.Copasul()
# processing based on config file
config_file = MYCONFIGFILE.json
copa = fex.process(config=config_file)
# processing based on config dict
with open(config_file, 'r') as h:
config_dict = json.load(h)
copa = fex.process(config=config_dict)
# warm start: continue processing
# - implicit loading from config
config_dict["navigate"]["from_scratch"] = False
config_dict["navigate"]["overwrite_config"] = True
# ... change further navigation values to your needs
copa_further_processed = fex.process(config=config_dict)
# - explicit loading from file
copa_file = MYCOPASULOUTPUT.pickle
config_dict["navigate"]["overwrite_config"] = True
# ... change further navigation values to your needs
with open(copa_file, "rb") as h:
copa = pickle.load(h)
copa_further_processed = fex.process(config=config_dict, copa=copa)
Material
Reference
Reichel, U.D. (2017). CoPaSul Manual: Contour-based, parametric, and superpositional intonation stylization, arXiv:1612.04765.
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