The Finnish SpeechDat(II) FDB-1000 comprises 1000 Finnish speakers (617 males, 383 females) recorded over the Finnish fixed telephone network. The FDB-1000 database is partitioned into 4 CDs, 3 CDs comprise 300 speakers sessions, the 4th comprises 100 speakers sessions. The speech databases made within the SpeechDat(II) project were validated by SPEX, the Netherlands, to assess their 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 digit
? 1 sequence of 10 isolated digits
? 4 numbers: 1 sheet number (5 digits), 1 telephone number (9-10 digits), 1 credit card number (16 digits), 1 PIN code (6 digits)
? 1 currency money amount
? 1 natural number
? 3 dates: 1 spontaneous date (birthdate), 1 prompted date, 1 relative or general date expression
? 2 time phrases: 1 time of day (spontaneous), 1 time phrase
? 3 spelled words: 1 spontaneous own forename, 1 city name, 1 phonetically rich word
? 5 directory assistance names: 1 spontaneous own forename, 1 spontaneous city of growing up, 1 frequent city name, 1 frequent company name, 1 common forename surname
? 2 yes/no questions: 1 predominantly ?yes? question, 1 predominantly ?no? question
? 3 application words
? 1 word spotting phrase using an embedded application word
? 4 phonetically rich words
? 9 phonetically rich sentences
The following age distribution has been obtained: 57 speakers are below 16 years old, 609 speakers are between 16 and 30, 223 speakers are between 31 and 45, 104 speakers are between 46 and 60, and 7 speakers are over 60.
A pronunciation lexicon with a phonemic transcription in SAMPA is also included.