CALLFRIEND American English-Non-Southern Dialect

Item Name: CALLFRIEND American English-Non-Southern Dialect
Author(s): Alexandra Canavan, George Zipperlen
LDC Catalog No.: LDC96S46
ISBN: 1-58563-061-6
ISLRN: 491-813-496-892-1
Member Year(s): 1996, 1997
DCMI Type(s): Sound
Sample Type: 2-channel ulaw
Sample Rate: 8000
Data Source(s): telephone conversations
Project(s): LID, GALE, EARS
Application(s): language identification
Language(s): English
Language ID(s): eng
License(s): LDC User Agreement for Non-Members
Online Documentation: LDC96S46 Documents
Licensing Instructions: Subscription & Standard Members, and Non-Members
Citation: Canavan, Alexandra, and George Zipperlen. CALLFRIEND American English-Non-Southern Dialect LDC96S46. Web Download. Philadelphia: Linguistic Data Consortium, 1996.
Related Works: View


The CALLFRIEND project supports the development of language identification technology.


The corpus consists of 60 unscripted telephone conversations, lasting between 5-30 minutes. The corpus also includes documentation describing speaker information (sex, age, education, callee telephone number) and call information (channel quality, number of speakers).

For each conversation, both the caller and callee are native speakers of non-Southern dialects of American English. All calls are domestic and were placed inside the continental United States, Canada, Puerto Rico, or the Dominican Republic.

Callers in the "non-Southern" (or "general") collection of CALLFRIEND American English appear to come from a wide geographic range, based on their own reports of where they were raised (some identified their origins as being in the southeastern U.S.). Regardless of their geographic or ethnic backgrounds, the feature they share is the clear absence of a vowel quality pattern that would distinguish them as speakers of a "Southern" dialect.

Some information was inadvertently left out of the speaker information table and the call information table. Copies of these files are available here at CALLINFO.TBL and SPKRINFO.TBL.


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