ELRA - ELRA-ST30 : SALA II US English

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Catalog Reference : ELRA-ST30

SALA II US English

The SALA II US English database collected in the United States was recorded within the scope of the SALA II project. It contains the recordings of 4,090 US English speakers (2,017 males and 2,073 females, including some speakers with Hispanic accents) recorded over the United States mobile telephone network.

The following acoustic conditions were selected as representative of a mobile user's environment (some speakers were recorded in several environments):
- Passenger in moving car, railway, bus, etc. (607 speakers)
- Public place (1,238 speakers)
- Stationary pedestrian by road side (928 speakers)
- Home/office environment (1,188 speakers)
- Passenger in moving car using a hands-free kit (161 speakers)

The speech files are stored as sequences of 8-bit, 8kHz Mu-law speech files and are not compressed, 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 (out of a set of 30)
- 1 sequence of 10 isolated digits
- 4 connected digits (1 sheet number -5+ 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 spotting phrase using an embedded application word
- 2 isolated digits
- 3 spelled words (1 surname, 1 directory assistance city name, 1 real/artificial name for coverage)
- 1 currency money amount
- 1 natural number
- 5 directory assistance names (1 spontaneous, e.g. own surname, 1 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, including fuzzy questions)
- 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: 129 speakers are under 16, 2,456 speakers are between 16 and 30, 832 speakers are between 31 and 45, 610 speakers are between 46 and 60, and 63 speakers are over 60.

A pronunciation lexicon with a phonemic transcription in SAMPA is also included.

ISLRN : 099-897-415-190-1

Production

Project : SALA II

Contents

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speech corpus
Language(s) : English (USA)
Source Channel : telephone