Korpus spontánní mluvené češtiny ORAL2013

The paper presents a corpus of spontaneous spoken Czech called ORAL2013, its design principles and practical solutions adopted during the data collection. The corpus is designed to represent contemporary spontaneous spoken language used in informal, real-life situations across the whole of the Czech Republic. The corpus consists of audio recordings and their transcriptions aligned with time stamps; it features manual annotation and broad regional coverage with a large variety of speakers. ORAL2013 contains 835 recordings from the period 2008 to 2011 made with 2,544 speakers (of whom 1,297 speakers are unique); the total length of the audio tracks is almost 300 hours and the total size of the transcriptions exceeds 3.28 million tokens. ORAL2013 is made publicly available by the Czech National Corpus at http://www.korpus.cz/.