SpliceOut: A Simple and Efficient Audio Augmentation Method. (arXiv:2110.00046v1 [cs.SD])

Time masking has become a de facto augmentation technique for speech and
audio tasks, including automatic speech recognition (ASR) and audio
classification, most notably as a part of SpecAugment. In this work, we propose
SpliceOut, a simple modification to time masking which makes it computationally
more efficient. SpliceOut performs comparably to (and sometimes outperforms)
SpecAugment on a wide variety of speech and audio tasks, including ASR for
seven different languages using varying amounts of training data, as well as on
speech translation, sound and music classification, thus establishing itself as
a broadly applicable audio augmentation method. SpliceOut also provides
additional gains when used in conjunction with other augmentation techniques.
Apart from the fully-supervised setting, we also demonstrate that SpliceOut can
complement unsupervised representation learning with performance gains in the
semi-supervised and self-supervised settings.

Source: https://arxiv.org/abs/2110.00046

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