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Challenges in Speech Processing of Slavic Languages(Case Studies in Speech Recognition of Czech and Slovak)

机译:斯拉夫语语音处理中的挑战(捷克和斯洛伐克语音识别案例研究)

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摘要

Slavic languages pose a big challenge for researchers dealing with speech technology. They exhibit a large degree of inflection, namely declension of nouns, pronouns and adjectives, and conjugation of verbs. This has a large impact on the size of lexical inventories in these languages, and significantly complicates the design of text-to-speech and, in particular, speech-to-text systems. In the paper, we demonstrate some of the typical features of the Slavic languages and show how they can be handled in the development of practical speech processing systems. We present our solutions we applied in the design of voice dictation and broadcast speech transcription systems developed for Czech. Furthermore, we demonstrate how these systems can be converted to another similar Slavic language, in our case Slovak. All the presented systems operate in real time with very large vocabularies (350K words in Czech, 170K words in Slovak) and some of them have been already deployed in practice.
机译:斯拉夫语言对研究语音技术的研究人员构成了巨大挑战。它们表现出很大的变形,即名词,代词和形容词的变形以及动词的共轭。这对这些语言的词汇表清单的大小有很大的影响,并使文本到语音,特别是语音到文本系统的设计大大复杂化。在本文中,我们演示了斯拉夫语的一些典型特征,并展示了如何在实际语音处理系统的开发中对其进行处理。我们介绍了我们在为捷克开发的语音听写和广播语音转录系统设计中应用的解决方案。此外,我们演示了如何将这些系统转换为另一种类似的斯拉夫语言,例如我们的斯洛伐克语。所提供的所有系统均实时运行,词汇量非常大(捷克语为35万个单词,斯洛伐克语为170K个单词),其中一些已经在实践中部署。

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