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Swedish SpeechDat(II) FDB-1000
The Swedish SpeechDat(II) FDB-1000 contains the recordings of 1,000 Swedish speakers recorded over the Swedish fixed telephone network. This database is partitioned into 4 CDs, which comprise 250 speakers sessions each. It was validated by SPEX (the Netherlands) to assess its compliance with the SpeechDat format and content specifications. Speech samples are stored as sequences of 8-bit 8 kHz A-law. Each prompted utterance is stored in a separate file. Each signal file is accompanied by an ASCII SAM label file which contains the relevant descriptive information. Each speaker uttered the following items: * 1 isolated single digit * 1 sequence of 10 isolated digits * 4 connected digits (1 sheet number -5-10 digits, 1 telephone number –9/11 digits, 1 credit card number -16 digits), 1 PIN code -6 digits) * 3 dates (1 spontaneous date e.g. birthday, 1 prompted date, 1 relative and general date expression) * 1 word spotting phrase using an embedded application word * 1 isolated digit * 3 spelled words (1 spontaneous e.g. own forename, 1 spelling of directory city name, 1 real word for coverage) * 1 currency money amount * 1 natural number * 5 directory assistance names (1 spontaneous e.g. own forename, 1 spontaneous city of school at 7 years, 1 most frequent cities out of a set of 500, 1 most frequent company/agency out of a set of 500 names, 1 "forename surname" out of a set of 500 names) * 2 yes/no questions (1 predominantly "yes" question, 1 predominantly "no" question) * 9 phonetically rich sentences * 2 time phrases (1 spontaneous time of day, 1 word style time phrase) * 4 phonetically rich words The database also contains additional Swedish specific material for speaker verification purposes and dialectal studies: * 2 sentences for speaker verification purposes, same for all speakers * 4 connected digits strings (3-6 digits) for speaker verification purposes * 2 sentences for dialectal studies, same for all speakers The following age distribution has been obtained: 43 speakers are under 16, 429 speakers are between 16 and 30, 208 speakers are between 31 and 45, 241 speakers are between 46 and 60, and 79 speakers are over 60. A pronunciation lexicon with a phonemic transcription in SAMPA is also included.
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