a class="reference external" href="https://github.com/JohnSnowLabs/spark-nlp/blob/master/src/test/scala/com/johnsnowlabs/nlp/annotators/audio/HubertForCTCTestSpec.scala">HubertForCTCTestSpec</a>.</p>
<p><strong>Paper Abstract:</strong></p>
<p><em>Self-supervised approaches for speech representation learning are challenged by
three unique problems: (1) there are multiple sound units in each input utterance,
(2) there is no lexicon of input sound units during the pre-training phase, and (3)
sound units have v