SALA II Portuguese from Brazil database
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Base de données SALA II du portugais brésilien
This SALA II Portuguese from Brazil database was recorded within the scope of the SALA II project.
The database contains the recordings of 1000 speakers (500 males and 500 females) recorded over the local mobile telephone network.
The following acoustic conditions were selected as representative of a mobile user's environment:
• Passenger in moving car (176 speakers)
• Public place (264 speakers)
• Stationary pedestrian by road side (231 speakers)
• Home/Office environment (273 speakers)
• Passenger in moving car using a hands-free kit (56 speakers)
The database is distributed as 4 DVDs. The speech files are stored as sequences of 8-bit, 8kHz a-law speech files, according to the specifications of SALA II. Each prompt utterance is stored within a separate file and has an accompanying ASCII SAM label file. This speech database was validated by SPEX (the Netherlands) to assess its compliance with the SALA II format and content specifications.
Each speaker uttered the following items
• 6 application words
• 1 sequence of 10 isolated digits
• 4 connected digits (1 sheet number -6 digits, 1 telephone number 9-11 digits, 1 credit card number 14/16 digits, 1 PIN code -6 digits)
• 3 dates (1 spontaneous date 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 name, 1 directory assistance city name, 1 realartificial name for coverage)
• 1 currency money amount
• 1 natural number
• 5 directory assistance names (1 spontaneous name, 1 spontaneous city of birth/growing up, 1 most frequent city out of a set of 500, 1 most frequent company/agency out of a set of 500, 1 forename-surname out of a set of 150)
• 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:
6 speakers under 16, 353 speakers are between 16 and 30, 328 speakers are between 31 and 45, 303 speakers are between 46 and 60, and 10 speakers are over 60.
A pronunciation lexicon with a phonemic transcription in SAMPA is also included.
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