Andrew H Schwartz

me@andrewhschwartz.com ⋅ +1-603-346-4684

andrew-h-schwartz ozydingo www.andrewhschwartz.com

Core Competencies

Independent Projects

nnjs (Ninjas)http://www.andrewhschwartz.com/nnjs

Javascript ⋅ Web demo of neural networks

Descendhttp://www.andrewhschwartz.com/descend

Javascript ⋅ Web demo of gradient descent

Cortiohttps://github.com/ozydingo/cortio

Python ⋅ Neural-inspired audio transforms and processing

Despecablehttps://github.com/ozydingo/despecable

Ruby ⋅ Inuitive, self-documenting API specifications for Rails

StoresInMongohttps://github.com/ozydingo/stores_in_mongo

Ruby ⋅ Transparently bind SQL and noSQL records in ActiveRecord models

ThroughHierarchyhttps://github.com/ozydingo/through_hierarchy

Ruby ⋅ Easily define hierarchical associations between SQL models in Rails

Professional Experience

Senior Software Engineer

Amazon Alexa ⋅ 2018-Present

Java ⋅ C++ ⋅ Robust Scalable Systems ⋅ AWS ⋅ Service Oriented Architecture

Director of Engineering

3Play Media ⋅ 2013-2018

Ruby on Rails ⋅ Python ⋅ R ⋅ Agile ⋅ Signal Processing ⋅ NLP ⋅ AWS ⋅ Javascript

Major Achievements

Key R&D Projects

Research Engineer

AudioPulse ⋅ MIT / MISTI ⋅ 2011-2012

Mobile-platform hearing loss detection in newborns for resource-poor healthcare settings

Research Intern

Starkey Laboratories ⋅ 2011

Research and modeling the effect of binaural compression on auditory scene analysis

Education

Ph.D, Speech & Hearing, Bioscience & Technology

MIT + Harvard Health Sciences & Technology program, June 2013

Research and modeling of the auditory system, sound localization, the cocktail party problem

Inference & Information, Neural Coding & Perception of Sound, Auditory Signal Processing

Master of Science, Electrical Engineering

MIT Dept. of Electrical Engineering and Computer Science, May 2010

Speech & Audio Processing, Discrete-Time Signal Processing, Communication Control

Bachelor of Science, Computer Systems Engineering

Boston University Dept of Computer Systems Engineering, May 2005

Patents & Publications

Miller, J et al (2018) Efficient audio description systems and methods. Patent pending, US 20180358052 A1

Miller, J et al (2017) Systems and methods for automatically synchronizing media to derived content. Patent, US 9633696 B1

Schwartz, A.H. (2013) Effect of dynamic range compression on attending to sounds based on spatial location. Thesis, Ph.D. http://hdl.handle.net/1721.1/84411

Schwartz, A.H., Shinn-Cunningham, B.G. (2013) Effects of dynamic range compression on spatial selective auditory attention in normal-hearing listeners. J Acoust Soc Am. doi: 10.1121/1.4794386.

Schwartz, A.H., McDermott, J., Shinn-Cunningham, B.G. (2012) Spatial cues alone produce inaccurate sound segregation: The effect of interaural time differences. J Acoust Soc Am. doi: 10.1121/1.4718637.

Schwartz, A.H. (2010) Effect of reverberation on the directional sensitivity of auditory neurons: peripheral factors. Thesis, S.M. http://hdl.handle.net/1721.1/60105

Devore, S., Delgutte, B., Schwartz, A.H. (2010) Effect of Reverberation on Directional Sensitivity of Auditory Neurons: Central and Peripheral Factors. In: Lopez-Poveda E., Palmer A., Meddis R. (eds) The Neurophysiological Bases of Auditory Perception. Springer, New York, NY. doi: 10.1007/978-1-4419-5686-6_26.

Schwartz, A.H., Shinn-Cunningham, B.G. (2010) Dissociation of perceptual judgments of “what” and “where” in an ambiguous auditory scene. J Acoust Soc Am. doi: 10.1121/1.3495942.

Yu T., Schwartz A., Harris J., Slaney M., Liu S. (2009). Periodicity detection and localization using spike timing from the AER EAR. IEEE Int’l Symp Circuits and Systems. doi: 10.1109/ISCAS.2009.5117697.