Swedish SpeechDat(II) FDB-5000
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Base de données SpeechDat(II) FDB-5000 du suédois
The Swedish SpeechDat(II) FDB-5000 database contains the recordings of 5,000 Swedish speakers (2470 males, 2530 females), recorded over the Swedish fixed telephone network. This database is partitioned into 25 CDs, which comprise 200 speakers sessions each.
This speech database 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:
* 3 application words
* 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 sentences uttered by all speakers for speaker verification purposes and dialectal studies:
* Sentences for speaker verification purposes, same for all speakers (Additional material for speaker verification and dialectal coverage: X1 - X8)
* Connected digits strings (3-6 digits) for speaker verification purposes
* Sentences for dialectal studies, same for all speakers
The following age distribution has been obtained: 315 speakers are under 16, 2095 speakers are between 16 and 30, 1080 speakers are between 31 and 45, 1078 speakers are between 46 and 60, and 432 speakers are over 60.
A pronunciation lexicon with a phonemic transcription in SAMPA is also included.
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