Portable Medical Recorder

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: W31P4Q-09-C-0122
Agency Tracking Number: 08SB2-0344
Amount: $98,858.00
Phase: Phase I
Program: SBIR
Awards Year: 2008
Solicitation Year: 2008
Solicitation Topic Code: SB082-015
Solicitation Number: 2008.2
Small Business Information
MAGIQ TECHNOLOGIES, INC.
11 Ward Street, Somerville, MA, 02143
DUNS: 021366690
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Michael LaGasse
 Vice President, Engineering
 (617) 661-8300
 mike@magiqtech.com
Business Contact
 Andrew Hammond
Title: VP, Marketng
Phone: (617) 661-8300
Email: andy@magiqtech.com
Research Institution
N/A
Abstract
In order to actively reduce the ambient noise and retain vocal recording clarity of medical personnel in a military operations environment, MagiQ Technologies proposes a breakthrough multi-stage noise cancellation scheme for the SB082-105 Portable Medical Recorder. The scheme combines a Quadrupole Microphone Array, a pre-processing Active Noise Cancellation Circuit and post-processing DSP algorithms (including adaptive look-direction filters and log-spectral amplitude estimation post-filtering techniques). This advanced scheme is based on our findings in developing our proprietary acoustic sensors. The design integrates state-of-the-art hardware/firmware and Commercial Off-The-Shelf (COTS) components. Our approach has the following features: 1.Retention of vocal recording clarity by using advanced noise reduction techniques 2.Compact physical size, 1 inch x 2 inch x 0.5 inch 3.More than 4 hours recording and playback duration; can be longer if external speakers or headphones are used 4.Resistance to harsh environments (0C to 50C temperature, 80 psi pressure) 5.No moving mechanical parts to minimize device failures 6.Low cost (all COTS parts)

* information listed above is at the time of submission.

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