title: THE IWSLT 2021 BUT SPEECH TRANSLATION SYSTEMS
abstract: The paper describes BUT's English to German offline speech translation (ST) systems developed for IWSLT2021. They are based on jointly trained Automatic Speech Recognition-Machine Translation models. Their performances is evaluated on MustC-Common test set. In this work, we study their efficiency from the perspective of having a large amount of separate ASR training data and MT training data, and a smaller amount of speechtranslation training data. Large amounts of ASR and MT training data are u