AT&T Watson Speech Recognition

• Platform: Windows 95/NT on a Pentium 75 Mhz or higher
• Description: Watson is a software implementation of AT&T Bell Laboratories voice processing technology. Watson includes BLASR Speech Recognition and FlexTalk speech synthesis (see Q5.5). It requires no special hardware to run other than a standard sound card and/or phone card. Technical details for BLASR Speech Recognition include:
  • Compliant with Microsoft Speech API and Telephone API
  • Speaker independent, continuous speech recognition
  • Fast, run-time vocabulary change
  • Open mic and telephone line environments
  • SoundBlaster compatible sound card and drivers required
  • Subword models and whole-word digit models
  • Background, silence, and filler/garbage models
  • 50 word name vocabulary or 100 word phrase real-time recognition with 95% accuracy
  • Rejection of out-of-vocabulary words
  • American English only - other languages in development
  • Barge-in speech begin/end notification - requires hardware echo cancellation
  The AT&T Advanced Speech Products Group home page provides more detailed information including a Frequently Asked Questions list, information for application developers on the Independent Software Vendor (ISV) Program (including info on the SDK, licensing, and the training program).
• Requirements: Uses 2 MB RAM, 10 MB Disk. Requires a Pentium 75 MHz or higher CPU (uses < 50% CPU).
• Cost and Availability: WATSON is a software-based speech platform with a Software Developers Kit (SDK) that allows application developers to use voice processing in their applications. It is not available as a stand-alone product.
  Licensing information (inc. price) is provided in the AT&T Advanced Speech Products Group home page
• See also: Watson FlexTalk speech synthesis in Q5.5, Microsoft Speech API, and Advanced Speech API.
• Contact: AT&T Advanced Speech Products Group
  Suite 700, 44 East Mifflin Street, Madison, WI 53703, USA
  Ph: 1-800-5-WATSON, Fax: 1-608-259-2269
  Email: aspg@attmail.com
  WWW: http://www.att.com/aspg/

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