The Czech SpeechDat(E) Database (Eastern European Speech Databases for Creation of Voice Driven Teleservices) comprises 1052 Czech speakers (526 males, 526 females) recorded over the Czech fixed telephone network. This database is partitioned into 6 CDs. The speech databases made within the SpeechDat(E) project were validated by SPEX, the Netherlands, to assess their compliance with the SpeechDat(E) format and content specifications. The speech files are stored as sequences of 8-bit, 8kHz A-law speech files and are not compressed, according to the specifications of SpeechDat(E). Each prompt utterance is stored within a separate file and has an accompanying ASCII SAM label file. Corpus contents: - 6 application words; - 1 sequence of 10 isolated digits; - 4 connected digits: 1 sheet number (5+ digits), 1 telephone number (9-11 digits), 1 credit card number (14-16 digits), 1 PIN code (6 digits); - 3 dates: 1 spontaneous date (birthday), 1 prompted date (word style), 1 relative and general date expression; - 1 spotting phrase using an application word (embedded); - 1 isolated digit; - 3 spelled-out words (letter sequences): 1 spontaneous e.g. own forename; 1 spelling of directory assistance city name; 1 real/artificial name for coverage; - 2 currency money amounts: 1 Czech money amount, 1 International money amount (USD, EURO) - 1 natural number; - 6 directory assistance names: 1 spontaneous, e.g. own forename; 1 city of birth / growing up (spontaneous); 1 most frequent city (out of 500); 1 most frequent company/agency (out of 500); 1 "forename surname" (set of 150 ), 1 "surname" (set of 150 ) - 2 questions, including "fuzzy" yes/no: 1 predominantly "yes" question, 1 predominantly "no" question; - 12 phonetically rich sentences; - 2 time phrases: 1 time of day (spontaneous), 1 time phrase (word style); - 4 phonetically rich words. - 4 additional questions (spontaneous) The following age distribution has been obtained: 20 speakers are below 16 years old, 490 speakers are between 16 and 30, 238 speakers are between 31 and 45, 230 speakers are between 46 and 60, 71 speakers are over 60, and 3 speakers of unknown age. A pronunciation lexicon with a phonemic transcription in SAMPA is also included

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ELRA

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