S0079 : Finnish Speechdat(II) FDB-4000
The Finnish SpeechDat(II) FDB-4000 database contains the recordings
of 4,000 Finnish speakers (1,830 males, 2,170 females) recorded over the Finnish
fixed telephone network. The FDB-4000
database is partitioned into 14 CDs, the first 13 CDs comprise 300 speakers
sessions, the 14th comprises 100 speakers.
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.
This speech database was validated by SPEX (the Netherlands)
to assess its compliance with the SpeechDat format and content specifications.
Each speaker uttered the following items:
- 1 isolated digit
- 1 sequence of 10 isolated digits
- 4 connected digits (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 e.g. birthday, 1 prompted date, 1 relative or
general date expression)
- 2 time phrases (1 spontaneous time of day, 1 time phrase)
- 3 spelled words (1 spontaneous e.g. own forename, 1 city name, 1 phonetically
rich word)
- 5 directory assistance names (1 spontaneous e.g. 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: 545 speakers
are under 16, 1773 speakers are between 16 and 30, 980 speakers are between
31 and 45, 606 speakers are between 46 and 60, and 96 speakers are over 60.
A pronunciation lexicon with a phonemic transcription in SAMPA is also included.
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