ELRA - U-S0329 : Cantonese SpeechDat-like MDB-2000 database

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Catalog Reference : U-S0329

Cantonese SpeechDat-like MDB-2000 database

The Cantonese SpeechDat-like MDB-2000 database contains the recordings of 2,000 Cantonese speakers (996 males, 1,004 females) recorded over the mobile telephone network in China and Hong Kong. It follows the specifications given in the framework of the SpeechDat(II) project.

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 database was validated by SPEX (the Netherlands) to assess its compliance with the SpeechDat(II) format and content specifications.

Each speaker uttered the following items:

* 2 isolated digits
* 1 sequence of 10 isolated digits
* 4 connected digits (1 prompt sheet number -4 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
* 6 application words

* 3 spelled words (1 spontaneous name e.g. own forename, 1 city name, 1 real/artificial word for coverage)
* 1 currency money amount
* 1 natural number
* 5 directory assistance names (1 spontaneous name e.g. own forename, 1 city of birth/growing up, 1 most frequent cities out of a set of 500, 1 most frequent company/agency out of a set of 500, 1 isolated city name, 1 "forename surname" out of a set of 400 ‘full’ 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: 74 speakers are under 16, 953 speakers are between 16 and 30, 636 speakers are between 31 and 45, 328 speakers are between 46 and 60, 9 speakers are over 60.

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

ISLRN : 917-727-808-268-8

Contents

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speech corpus
Language(s) : Cantonese (China)
TEXT_CLIPPING_RATE_PERCENTAGE8 kHz
Source Channel : Telephone