TREL Labs

Open to engineering projects that provide social benefit

I have performed all aspects of product development, specializing in enabling novel software and hardware solutions. I have done extensive DSP implementations and micro-electronics, but am now only interested in helping to make things that help other people out.

• System Architecture: Block Diagrams, system partitioning
• Algorithm Design and Implementation
• Complete Software Stack Design
• Embedded Hardware Development
• Document requirements: Regulatory, FDA
• IP evaluation: 3rd party, pre-patent studies
• Startup Incubation: dev-ops, SR&ED

Research Services

We were founded to bring Machine Learning and Statistical Signal Processing projects to market. We typically bring customers simulation programs from Matlab or Python into C or Assembly for embedded products, or optimize their code for Webservices or Android mobile. We also make novel intellectual properties that solve client problems that will be fully owned by them.

We can take ownership for creating the framework for acquiring data from embedded, mobile and desktop resources into a cloud service. Our framework gives companies the ability to have a tight feedback cycle, integrating market intelligence and the data necessary to improve their products.

• Machine Learning and Statistical Signal Processing Research:

  • Deep Learning
  • Analysis of Variance (ANOVA)
  • Neural Networks
  • Adaptive Filtering, LMS, RLS, Affine Projection
  • Kalman Filtering, Interactive Mixture Models
  • Principal Component Analysis



• Algorithm Development:

  • Audio noise reduction
  • ECG and PPG sensor fusion
  • Image noise reduction
  • Beamforming
  • Blind Source Separation
  • Tracking and distance finding
  • Automatic Speech Recognition



• Algorithm Implementation:

  • Fixed and Floating Point C DSP
  • Multi-Core Parallel Processing
  • Cloud Services
  • Matlab/Simulink Porting
  • Java/JNI Android Development

Software design services:

• Embedded Software design:

  • ARM Cortex M0, M3, M4
  • PIC, TI/ST microcontrollers
  • Fixed/Floating Point DSP
  • ARM A Series, Exynos, Snapdragon



• Mobile Software design:

  • Android, Android Wearable
  • iOS
  • Analytics, Data driven design



• Webservices:

  • Amazon Web Services
  • Google Cloud
  • In house iron

Hardware design services:

• Electronic circuit design and schematic capture:

  • Analog/Digital and RF Design
  • Data Acquisition
  • Power Supply and Battery Management



• Board Support Packages:

  • Linux Kernel Driver Development
  • Android HAL Layer
  • Production Images
  • Automated Testing Processes



• PCB Design and Layout:

  • Altium with Solidworks Integration
  • Signal Integrity Analysis
  • Power Distribution

The X-Prize Tricorder

The X-Prize Medical Tricorder Project

Part of founding team working on the Qualcomm Tricorder XPrize. Bringing early diagnosis to the home, and providing medical access in areas without the doctors. We were architects for hardware design, developed and troubleshooted a wearable Electrocardiograph, Photoplethysmograph and Accelerometer sensor array. Built a wireless camera otoscope and spirotoscope. We provided software development for microcontrollers, embedded Linux and Android. Along with typical engineering we provided algorithms for filtering and adaptive measurement of biomedical signals and image processing.

• System Architecture
• Hardware Digital and Analog Design
• Embedded Software and DSP Algorithm Development
• Android Mobile Development
• AWS Cloud Services

Assistant for the Blind

Helping the Blind Navigate the visual world:

A wearable mobility device for blind or visually impaired people that utilizes multiple cameras and image recognition to help them navigate their immediate vicinity. It does the seeing for people who have a hard time recognizing exit or bathroom signs and does user interaction through text to speech and automatic speech recognition. We did the Android BSP and Linux kernel development, hardware debugging and FDA documentation.

• Hardware debugging and Acoustic Design
• Linux/Android BSP Development
• Android Application Development

Hearing Aids

Helping the Hard of Hearing Navigate the acoustic world:

Hearing loss is a massive problem for the aging population. Not being able to communicate effectively drastically reduces the Quality of Life of people with hearing loss. We have spent years beginning at personal and market requirements, understanding the problem and synthesizing theoretical information into a coherent signal processing strategy. We done the complete chain for Algorithm design, starting with models in Matlab or Simulink, then implemented in assembly on various DSP platforms. We have extensive laboratory experience, including bring-up, automation, complete electro-acoustic testing and trials with human listeners. We did documentation for the various international standard bodies.

• Algorithm Simulation and Design
• DSP implementation
• Automated test development

Tablet Speaker Phone

Centralized stations in each conference room can be expensive, and products do not target the prevalence of telecommuting and distributed work. We designed a central communications hub based on a 3 microphone, consumer grade tablet for smart conference rooms. We provided beamforming, noise reduction and interactive mixture models that adaptively located and tracked speakers and noise sources torival the tethered microphone sound quality. We built the Android application on top of kernel drivers that utilized a front end DSP for algorithm implementation.

• Algorithm Simulation and Design
• DSP implementation
• Linux/Android BSP development
• Automated test development

Audio Digital Signal Processing

We have brought many audio concepts to life including DSP in headphones, Frictionless UI with Automatic Speech Recognition and Text to Speech for IoT home automation and audio direction of arrival and distance estimation. We provide 20 years of experience coming up with, developing and testing audio algorithms. We've helped out with mechanical design, analog electronics, electro-acoustic and human testing. We can implement ideas across any hardware vectors and form-factors.

• Algorithm Simulation and Design
• Fixed Point DSP implementation
• Bare Metal implementation
• Human test development, MOS, MUSHRA

Internet of Things, Home Automation:

Right now the Internet of Things for home automation is exploding. Also exploding is the security concerns and how you always need a smartphone. We designed a system for home automation through voice commands, seemlessly built into light switches. We developed Automatic Speech Recognition on the embedded Cortex-M4 processors for security; no voice to web, or hackers listening in. It was secured by a proprietary ad-hoc, in house network only, no uPnP backdoors. We developed the hardware design to allow micro-metering of power used through switch, and an Android Application.

• Hardware design
• Fixed Point DSP implementation
• Audio algorithms (beamforming, noise reduction, low power always-on, machine learning ASR)
• Embedded Firmware