Danish SpeechDat(II) FDB-4000
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Base de données SpeechDat(II) FDB-4000 du danois
The Danish SpeechDat(II) FDB-4000 comprises 4,000 Danish speakers (1,940 males, 2,060 females) recorded over the Danish fixed telephone network. This database is partitioned into 14 CDs. The first 13 CDs comprise 300 speakers sessions each, the 14th comprises 100 speakers.
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 numbers (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 e.g. birthday, 1 word style 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 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 following age distribution has been obtained: 372 speakers are under 16, 1004 speakers are between 16 and 30, 1109 speakers are between 31 and 45, 901 speakers are between 46 and 60, and 614 speakers are over 60.
A pronunciation lexicon with a phonemic transcription in SAMPA is also included.
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