Russian SpeechDat(E) Database
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Base de données SpeechDat(E) du russe
The Russian SpeechDat(E) Database (Eastern European Speech Databases for Creation of Voice Driven Teleservices) comprises 2500 Russian speakers (1242 males, 1258 females) recorded over the Russian fixed telephone network. This database is partitioned into 13 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.
- 6 application words;
- 1 sequence of 10 isolated digits;
- 4 connected digits: 1 sheet number (5 digits), 1 telephone number (9-10 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 spelling of surname; 1 spelling of directory assistance city name; 1 real/artificial name for coverage;
- 2 currency money amounts: 1 Russian money amount, 1 International money amount (USD, EURO)
- 1 natural number;
- 6 directory assistance names: 1 spontaneous (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;
- 9 phonetically rich sentences;
- 2 time phrases: 1 time of day (spontaneous), 1 time phrase (word style);
- 4 phonetically rich words.
The following age distribution has been obtained: 10 speakers are below 16 years old, 854 speakers are between 16 and 30, 858 speakers are between 31 and 45, 679 speakers are between 46 and 60, 34 speakers are over 60, and 65 speakers are of unknown age.
A pronunciation lexicon with a phonemic transcription in SAMPA is also included.
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