Mixing an audio file with a noise file at specific Signal-to-Noise Ratio

Installation

Python3.5
MacOS

Library

argparse
array
math
numpy
random
wave

Usage

Example: python3 create_noisy_minumum_code.py --clean_file ~/Desktop/test_source/arctic_b0001.wav --noise_file ~/Desktop/test_noise/0ch01.wav --output_clean_file ~/Desktop/clean.wav --output_noise_file ~/Desktop/noise.wav --output_noisy_file ~/Desktop/noisy.wav --snr 0

Dataset

Voices
Noises

Detail

There is the detail on my post (in Japanese).

https://engineering.linecorp.com/ja/blog/voice-waveform-arbitrary-signal-to-noise-ratio-python/

There is the detail on my post (in Korean).