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past projects

An incomplete list of shipped, released products I've worked on.

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The DSP-96 was the second board I designed at Ariel Corporation using the Motorola DSP96002 chip (the first was the dual-processor MM-96).  If memory serves me this was introduced around 1991.  It was also t...

 

I did the DC-4 at Ariel in about 1992.  It stands for "DON Carrier" since it held four DON modules.  Each module had four AT&T DSP3210 processors and 4MB of shared DRAM, and a 32+32 data/address bus which allowed fu...

 

This was Sonorus' flagship audio board, released in 1996.  It was the first PCI card with an ADAT interface.  Actually, two of them. At the time I realized there was no inexpensive way to get audio from an ...

 

Bob Tudor, then VP of digital audio products at Mackie, called me in 1998 and told me he had bought some Studi/o PCI cards and really liked them.  So he hired me to do a modified version as the audio engine in the HDR...

 

I did this at Ariel in 1992.  We came to call it the Don Module because at the time, we were also working with TI DSP's and TI had defined a module spec called the TIM Module.  Well, we had a pair of engineers that ...

 

I designed this for TC Works in 2000.  I designed the system architecture and then refined it with Klaus Bahner of TC.  Then I designed the hardware while Klaus designed the software system to load plugins, d...

 

After leaving Sonorus the guys from Event tapped me to do an ADAT companion to their EZ-Bus board.  What am I the ADAT optical interface king or something? ha!  But it was a fun project, great guys to work with. By the...

 

While working at Ariel, my good friend Tom Hegg was an engineer over at Avid.  We ended up collaborating on a NuBus board which Avid used for a couple of years in the Media Composer system.  It was the world's ...

 

I developed the RT-60 analysis software package for the RTA-1 while at dbx, improved the confidence estimation of the spectrum-difference mode using cluster analysis techniques, as well as support the entire software pac...

 

Pluzilla was the world's first hardware plugin player.  Joe Waltz developed the idea, and I put together the Manifold labs team to productize it.  I did a couple of USB drivers for some joysticks, debugged the analog i...

 

This desktop logger was the first of the new line of linux-based loggers for Eventide.  I wrote the application code, working closely with Don Elwell who did the hardware and most of the drivers.  I used wxWidgets to p...

 

Fixed some nasty bugs in the PIC processor code in the motion sensors for this system, resulting in something like a 4x improvement in RF range.  Also extended the wireless data format to add a packet counter to allow m...

 

Assisted living version of QuietCare using Zigbee networking and one base station per building. Developed system architecture, zigbee firmware, hardware (motion sensors, door sensors, power switch/monitor modules (which...

 

drum machine - internally it's a Freescale iMX running linux and a drum machine app talking to the audio hardware and UI. Which made the virtual version very easy to create. I architected it, and designed the rev-1 har...

 

Presonus' new generation of digital mixers containing a linux-driven core DSP platform. Ported linux kernel to the TI Davinci chip, ported TI DSPBIOS to Presonus hardware, helped debug hardware (DDR2, power sequencing...

 

Presonus' new sound reinforcement speakers containing a linux-driven core DSP platform. Ported linux kernel to the TI Davinci chip, ported TI DSPBIOS to Presonus hardware, helped debug hardware (DDR2, power sequencing...

 

Wall mounted stairwell light, specifically designed to meet the regulatory requirements for stairwell lighting and emergency backup lighting. Designed the fixture control system electronics, constant current LED driver,...

 

Ceiling mounted LED light, specifically designed to meet the regulatory requirements for stairwell lighting and emergency backup lighting. With additional switch settings for general purpose low-occupancy use (i.e. usin...

 

Designed to meet Mil Spec MIL-DTL-7793/12A and MIL-M-M7793/12 Military P/N: M7793/12-1 Replaces Models 1170-004 and 1170-001 Faster response time and easier to read LED display Rugged construction that is field servi...

 

7001: Designed to Meet MIL-DTL-7793/13 Voltage: 5 VDC Solid State Elapse Time Indication Military P/N: M7793/13-1 Wide Operating Temp Range: -65 C to 125 C Requires Military P/N: M7793/12-1 to be read (see Model 11...

 

Aermonix is an App by Clair Global (aka Clair Brothers). Clair is the #1 live sound company in the world. They provide concert sound systems for the top acts such as Elton John, Bon Jovi, Roger Waters, and many others....
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