Spectrogram Augmenter

版本 1.0.0.0 (1.1 MB) 作者: Wouter Jansen
Configure and create a spectrogram data augmentation. You can also store it in a datastore for machine learning with automated batching.
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更新时间 2024/9/16

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Configure and create a spectrogram data augmentation. You can also store it in a datastore for machine learning with automated batching. This implements two classes:
  • spectogramDataAugmenter: configure the augmentation for the spectograms. Similar to imageDataAugmenter for images.
  • augmentedSpectrogramDatastore: transform batches to augment spectrogram data. Similar to augmentedImageDatastore for images.
The techniques implented are:
  • Time warp
  • Frequency masking
  • Time masking
  • Salt and pepper noise
  • White noise
  • Time shift
The first three filters are from "SpecAugment: A Simple Data Augmentation Method for Automatic Speech Recognition" by Google Brain and its authors Daniel S. Park, William Chan, Yu Zhang, Chung-Cheng Chiu, Barret Zoph, Ekin D. Cubuk & Quoc V. Le.
This work is published under the CC BY-NC-SA 4.0 DEED license.

引用格式

Wouter Jansen (2026). Spectrogram Augmenter (https://ww2.mathworks.cn/matlabcentral/fileexchange/172765-spectrogram-augmenter), MATLAB Central File Exchange. 检索时间: .

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1.0.0.0