# audio_augment

**Repository Path**: ruby11dog/audio_augment

## Basic Information

- **Project Name**: audio_augment
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-02-26
- **Last Updated**: 2024-02-26

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Audio augmentation

(README.md)

*Audio augment* is a tool/script for batch audio data augmenation through speed, volume, reverb, noise based on kaldi and sox.

## Installation
- kaldi
- sox
- cd audio_augment
- cd tools; make KALDI=/your_kaldi_path

## Usage
- cd audio_augment
- vim run_aug.sh to change your input_path and out_path and save
- bash run_aug.sh, so easy!

## Workflow(run_aug.sh)
- Stage 1: Data Preparation contain data and text
- Stage 2: speed 0.9/1.1
- Stage 3: volume +-db
- Stage 4: reverberation(RIRS)
- Stage 5: MUSAN(noise/music/babble)
- Stage 6: combine above data and select a subset of the augmend data list about twice the origin data
- Stage 7: data and label generation

## generated Examples

- cd data/wav/train_aug listen a few enhanced aishell1 audio example through speed/volume/RIRS/MUSAN.

### Reference
- MUSAN http://www.openslr.org/17/
- RIRS http://www.openslr.org/28/
- https://github.com/linan2/add_reverb2