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Register a new userThe Volctrans Neural Speech Translation System for IWSLT 2021
نظام الترجمة العصبي Volctrans لنظام ترجمة Newslt 2021
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تصف هذه الورقة أن الأنظمة المقدمة إلى IWSLT 2021 من قبل فريق Volctrans.نشارك في "ترجمة الكلام دون اتصال" ومسارات الترجمة الفورية للنص إلى النص.بالنسبة لترجمة الكلام في وضع عدم الاتصال، تحقق نموذج أفضل حداؤنا 7.9 تحسينات بلو على المعيار الموجود على مجموعة اختبار MUST-C ويقترب حتى من نتائج حل يتتالي قوي.بالنسبة للترجمة الفورية النص إلى النص، نستكشف أفضل الممارسات لتحسين نموذج الانتظار.نتيجة لذلك، تتجاوز أنظمتنا المقدمة النهائية القياسية في حوالي 7 بلو على نظام الكمون نفسه.نطلق سردنا ونموذجنا لتسهيل كل من أعمال البحث المستقبلية والتطبيقات الصناعية.
This paper describes the systems submitted to IWSLT 2021 by the Volctrans team. We participate in the offline speech translation and text-to-text simultaneous translation tracks. For offline speech translation, our best end-to-end model achieves 7.9 BLEU improvements over the benchmark on the MuST-C test set and is even approaching the results of a strong cascade solution. For text-to-text simultaneous translation, we explore the best practice to optimize the wait-k model. As a result, our final submitted systems exceed the benchmark at around 7 BLEU on the same latency regime. We release our code and model to facilitate both future research works and industrial applications.
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In this paper, we describe Zhejiang University's submission to the IWSLT2021 Multilingual Speech Translation Task. This task focuses on speech translation (ST) research across many non-English source languages. Participants can decide whether to work
on constrained systems or unconstrained systems which can using external data. We create both cascaded and end-to-end speech translation constrained systems, using the provided data only. In the cascaded approach, we combine Conformer-based automatic speech recognition (ASR) with the Transformer-based neural machine translation (NMT). Our end-to-end direct speech translation systems use ASR pretrained encoder and multi-task decoders. The submitted systems are ensembled by different cascaded models.
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This paper describes Maastricht University's participation in the IWSLT 2021 multilingual speech translation track. The task in this track is to build multilingual speech translation systems in supervised and zero-shot directions. Our primary system
is an end-to-end model that performs both speech transcription and translation. We observe that the joint training for the two tasks is complementary especially when the speech translation data is scarce. On the source and target side, we use data augmentation and pseudo-labels respectively to improve the performance of our systems. We also introduce an ensembling technique that consistently improves the quality of transcriptions and translations. The experiments show that the end-to-end system is competitive with its cascaded counterpart especially in zero-shot conditions.
This paper describes the submission of the NiuTrans end-to-end speech translation system for the IWSLT 2021 offline task, which translates from the English audio to German text directly without intermediate transcription. We use the Transformer-based
model architecture and enhance it by Conformer, relative position encoding, and stacked acoustic and textual encoding. To augment the training data, the English transcriptions are translated to German translations. Finally, we employ ensemble decoding to integrate the predictions from several models trained with the different datasets. Combining these techniques, we achieve 33.84 BLEU points on the MuST-C En-De test set, which shows the enormous potential of the end-to-end model.
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