Speech to Speech Translation with Translatotron: A State of the Art Review

• URL: http://arxiv.org/abs/2502.05980v2
• Date: Wed, 19 Feb 2025 21:39:35 GMT
• Title: Speech to Speech Translation with Translatotron: A State of the Art Review
• Authors: Jules R. Kala, Emmanuel Adetiba, Abdultaofeek Abayom, Oluwatobi E. Dare, Ayodele H. Ifijeh,
• Abstract summary: A cascade-based speech-to-speech translation has been considered a benchmark for a very long time. It is plagued by many issues, like the time taken to translate a speech from one language to another and compound errors. Translatotron, a sequence-to-sequence direct speech-to-speech translation model was designed by Google to address these issues.
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• Abstract: A cascade-based speech-to-speech translation has been considered a benchmark for a very long time, but it is plagued by many issues, like the time taken to translate a speech from one language to another and compound errors. These issues are because a cascade-based method uses a combination of methods such as speech recognition, speech-to-text translation, and finally, text-to-speech translation. Translatotron, a sequence-to-sequence direct speech-to-speech translation model was designed by Google to address the issues of compound errors associated with cascade model. Today there are 3 versions of the Translatotron model: Translatotron 1, Translatotron 2, and Translatotron3. The first version was designed as a proof of concept to show that a direct speech-to-speech translation was possible, it was found to be less effective than the cascade model but was producing promising results. Translatotron2 was an improved version of Translatotron 1 with results similar to the cascade model. Translatotron 3 the latest version of the model is better than the cascade model at some points. In this paper, a complete review of speech-to-speech translation will be presented, with a particular focus on all the versions of Translatotron models. We will also show that Translatotron is the best model to bridge the language gap between African Languages and other well-formalized languages.

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