Who Is Talking To You (WITTY)

Established: August 9, 2003

witty

Mission Statement

Exploit multi-sensory information to improve user experience in 

  Speech-centric human computer interaction
  Computer-mediated human inter-communication

Goals

  • Understand end-users’ requirements
  • Identify sensor(s) requirement
  • Prototype new hardware
  • Develop robust technologies

Publications

Sample Waveforms (pending migration)

Original waveforms:

  • Air channel
  • Bone channel

Processed waveforms:

  • Spectral subtraction
  • Direct filtering
  • Minimum mean square error (MMSE) estimation with a single Gaussian
  • Minimum mean square error (MMSE) estimation with a mixture of four Gaussians

People