Welcome

This is a set of Python / Pytorch scripts and tools for various speech-processing projects.

It is maintained by Xin Wang since 2021.

XW is a Pytorch newbie. Please feel free to give suggestions and feedback.

Notes

• The repo is relatively large. Please use --depth 1 option for fast cloning.

git clone --depth 1 https://github.com/nii-yamagishilab/project-NN-Pytorch-scripts.git

• Latest updates:

  1. Code, databases, and resources for paper below were added. Please check project/10-asvspoof-vocoded-trn-ssl/

     Xin Wang, and Junichi Yamagishi. Can Large-scale vocoded spoofed data improve speech spoofing countermeasure with a self-supervised front end? ICASSP 2024

  2. Neural vocoders pretrained on VoxCeleb2 dev and other datasets are available in tutorial notebook chapter_a3.ipynb

  3. Code, databases, and resources for the paper below were added. Please check project/09-asvspoof-vocoded-trn/ for more details.

     Xin Wang, and Junichi Yamagishi. Spoofed training data for speech spoofing countermeasure can be efficiently created using neural vocoders. Proc. ICASSP 2023, accepted. https://arxiv.org/abs/2210.10570

  4. Code for the paper for the paper below were added. Please check project/08-asvspoof-activelearn for more details.

     Xin Wang, and Junichi Yamagishi. Investigating Active-Learning-Based Training Data Selection for Speech Spoofing Countermeasure. In Proc. SLT, accepted. 2023.

  5. Pointer to tutorials on neural vocoders were moved to ./tutorials/b1_neural_vocoder.

  6. All pre-trained models were moved to Zenodo.

Contents

This repository contains a few projects and tutorials.

Project

Folder	Project
project/01-nsf	Neural source-filter waveform models
project/05-nn-vocoders	Other neural waveform models including WaveNet, WaveGlow, and iLPCNet.
project/03-asvspoof-mega	Speech spoofing countermeasures : a comparison of some popular countermeasures
project/06-asvspoof-ood	Speech spoofing countermeasures with confidence estimation
project/07-asvspoof-ssl	Speech spoofing countermeasures with pre-trained self-supervised-learning (SSL) speech feature extractor
project/08-asvspoof-activelearn	Speech spoofing countermeasures in an active learning framework
project/09-asvspoof-vocoded-trn	Speech spoofing countermeasures using vocoded speech as spoofed data

See project/README.md for an overview.

Tutorials

Folder	Status	Contents
b1_neural_vocoder	readable and executable	tutorials on selected neural vocoders
b2_anti_spoofing	partially finished	tutorials on speech audio anti-spoofing
b3_voice_privacy	readable and executable	tutorials on voice privacy challenge baselines

See tutorials/README.md for an overview.

Python environment

Projects above use either one of the two environments:

For most of the projects, install env.yml is sufficient

# create environment
conda env create -f env.yml

# load environment (whose name is pytorch-1.7)
conda activate pytorch-1.7

For projects using SSL models, use ./env-fs-install.sh to install the dependency.

# make sure other conda envs are not loaded
bash env-fs-install.sh

# load
conda activate fairseq-pip2

How to use

Most of the projects include a simple demonstration script. Take project/01-nsf/cyc-noise-nsf as an example:

# cd into one project
cd project/01-nsf/cyc-noise-nsf-4

# add PYTHONPATH and activate conda environment
source ../../../env.sh 

# run the script
bash 00_demo.sh

The printed messages will show what is happening.

Detailed instruction is in README of each project.

Folder structure

Name	Function
./core_scripts	scripts (Numpy or Pytorch code) to manage the training process, data io, etc.
./core_modules	finalized pytorch modules
./sandbox	new functions and modules to be test
./project	project directories, and each folder correspond to one model for one dataset
./project/*/*/main.py	script to load data and run training and inference
./project/*/*/model.py	model definition based on Pytorch APIs
./project/*/*/config.py	configurations for training/val/test set data
./project/*/*/*.sh	scripts to wrap the python codes

See more instructions on the design and conventions of this repository misc/DESIGN.md

Resources & links

• NSF model homepage

• Presentation slides related to the above projects

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By Xin Wang