Center for Spoken Language Understanding (CSLU)

The ISOLET speech database of spoken letters of the English alphabet. The speech is high quality (16 kHz with a noise cancelling microphone). 150 speakers x 26 letters of the English alphabet twice in random order. The ISOLET data base can be purchased for $100 by sending an email request to vincew@cse.ogi.edu. (This covers handling, shipping and medium costs). The data base comes with a technical report describing the data.
CSLU has a telephone speech corpus of 1000 English alphabets. Callers recite the alphabet with brief pauses between letters. This database is available to not-for-profit institutions for $100. The data base is described in the proceedings of the International Conference on Spoken Language Processing.
- Contact vincew@cse.ogi.edu if interested.
CSLU has released for universities its Continuous English Speech Corpus. The corpus contains recorded speech from 690 different speakers, with label files at various levels - including word level and phonetic labels. The data were collected as part of the OGI Multi-language telephone corpus. CSLU provides speech corpora to all universities without charge. To order a corpus, print the license agreement/order form, complete it, and fax it to the CSLU. A description of the corpora and an order form are available:

http://www.cse.ogi.edu/CSLU/

ftp://speech.cse.ogi.edu/pub/releases
Contact: Mike Noel: noel@cse.ogi.edu