| Summary: | CSLU: Portland Cellular Telephone Speech Version 1.3 was created by the Center for Spoken Language Understanding (CSLU) at OGI School of Science and Engineering, Oregon Health and Science University, Beaverton, Oregon. It consists of cellular telephone speech and corresponding transcripts, specifically, 7,571 utterances from 515 speakers who made calls in the Portland, Oregon area using cellular telephones. Speakers called the CSLU data collection system on cellular telephones, and they were asked to repeat certain phrases and to respond to other prompts. Two prompt protocols were used: an In Vehicle Protocol for speakers calling from inside a vehicle and a Not in Vehicle Protocol for those calling from outside a vehicle. The protocols shared several questions, but each protocol contained distinct queries designed to probe the conditions of the caller's in vehicle/not in vehicle surroundings. Not every caller provided a response to each prompt.
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