The new vocoder Fre-GAN is now supported (#546)

* The new vocoder Fre-GAN is now supported

* Improved some fregan details

README-CN.md

@@ -87,7 +87,9 @@
 * 训练hifigan声码器:
 `python vocoder_train.py <trainid> <datasets_root> hifigan`
 > `<trainid>`替换为你想要的标识，同一标识再次训练时会延续原模型
-
+* 训练fregan声码器:
+`python vocoder_train.py <trainid> <datasets_root> --config config.json fregan`
+> `<trainid>`替换为你想要的标识，同一标识再次训练时会延续原模型
 ### 3. 启动程序或工具箱
 您可以尝试使用以下命令：
 

toolbox/__init__.py

@@ -3,6 +3,7 @@
 from synthesizer.inference import Synthesizer
 from vocoder.wavernn import inference as rnn_vocoder
 from vocoder.hifigan import inference as gan_vocoder
+from vocoder.fregan import inference as fgan_vocoder
 from pathlib import Path
 from time import perf_counter as timer
 from toolbox.utterance import Utterance
@@ -451,6 +452,15 @@ def init_vocoder(self):
                 return
             if len(model_config_fpaths) > 0:
                 model_config_fpath = model_config_fpaths[0]
+        elif model_fpath.name is not None and model_fpath.name.find("fregan") > -1:
+            vocoder = fgan_vocoder
+            self.ui.log("set fregan as vocoder")
+            # search a config file
+            model_config_fpaths = list(model_fpath.parent.rglob("*.json"))
+            if self.vc_mode and self.ui.current_extractor_fpath is None:
+                return
+            if len(model_config_fpaths) > 0:
+                model_config_fpath = model_config_fpaths[0]
         else:
             vocoder = rnn_vocoder
             self.ui.log("set wavernn as vocoder")

vocoder/fregan/.gitignore

@@ -0,0 +1,129 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/

vocoder/fregan/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021 Rishikesh (ऋषिकेश)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vocoder/fregan/README.md

@@ -0,0 +1,25 @@
+# Fre-GAN Vocoder
+[Fre-GAN: Adversarial Frequency-consistent Audio Synthesis](https://arxiv.org/abs/2106.02297)
+
+## Training:
+```
+python train.py --config config.json
+```
+
+## Citation:
+```
+@misc{kim2021fregan,
+      title={Fre-GAN: Adversarial Frequency-consistent Audio Synthesis}, 
+      author={Ji-Hoon Kim and Sang-Hoon Lee and Ji-Hyun Lee and Seong-Whan Lee},
+      year={2021},
+      eprint={2106.02297},
+      archivePrefix={arXiv},
+      primaryClass={eess.AS}
+}
+```
+## Note
+* For more complete and end to end Voice cloning or Text to Speech (TTS) toolbox please visit [Deepsync Technologies](https://deepsync.co/).
+
+## References:
+* [Hi-Fi-GAN repo](https://github.com/jik876/hifi-gan)
+* [WaveSNet repo](https://github.com/LiQiufu/WaveSNet)

vocoder/fregan/config.json

@@ -0,0 +1,41 @@
+{
+    "resblock": "1",
+    "num_gpus": 0,
+    "batch_size": 16,
+    "learning_rate": 0.0002,
+    "adam_b1": 0.8,
+    "adam_b2": 0.99,
+    "lr_decay": 0.999,
+    "seed": 1234,
+
+
+    "upsample_rates": [5,5,2,2,2],
+    "upsample_kernel_sizes": [10,10,4,4,4],
+    "upsample_initial_channel": 512,
+    "resblock_kernel_sizes": [3,7,11],
+    "resblock_dilation_sizes": [[1, 3, 5, 7], [1,3,5,7], [1,3,5,7]],
+
+    "segment_size": 6400,
+    "num_mels": 80,
+    "num_freq": 1025,
+    "n_fft": 1024,
+    "hop_size": 200,
+    "win_size": 800,
+
+    "sampling_rate": 16000,
+
+    "fmin": 0,
+    "fmax": 7600,
+    "fmax_for_loss": null,
+
+    "num_workers": 4,
+
+    "dist_config": {
+        "dist_backend": "nccl",
+        "dist_url": "tcp://localhost:54321",
+        "world_size": 1
+    }
+
+
+
+}