Profile: Sensimetrics Corporation renders consulting services in the areas of signal processing for speech & audio, speech production & synthesis and forensic sound analysis. We offer products such as S14 fMRI-compatible insert earphones, sensimetrics corporation - HeLPS - hearing loss simulator, auditory interactivities, seeing and hearing speech & speechstation2. The S14 fMRI-compatible insert earphones are designed to provide both high-quality acoustic stimulation and hearing protection from scanner noise. They are small enough to fit within any headcoil, and can be covered with circumaural muffs for added protection if the coil allows. Auditory interactivities are a new and powerful tool for students to learn and explore auditory perception interactively. Fifty-eight lessons cover basic concepts of signal analysis and acoustics, auditory detection and discrimination, masking, temporal resolution, binaural and spatial resolution, and pattern perception.