David Layman

David Layman Email and Phone Number

Presdent, CTO at DSPWidgets.com, LLC
David Layman's Location
Greater Phoenix Area, United States
David Layman's Contact Details

David Layman work email

David Layman personal email

n/a
About David Layman

I excel at designing multi-rate digital filters and sample rate converters that achieve phenomenal MCPS performance. I am very comfortable squeezing every last drop of performance out of DSP applications on VLSI/SIMD processor architectures. Most of my work has been for embedded architectures.Good experience with speech processing, adaptive filters for noise removal, echo cancellation, and beamforming.I have lots of experience working with both FIR and IIR filters, and audio pipeline processing, including dynamic range control, biquadratic equalization filters, like PEQ, shelf, low pass, high pass, etc. I also have written bass boost, and perceptual bass boost algorithms, DC removal, PDM mic equalization, ramping volume controls.Lots of porting and optimization experience with 3rd party codecs, virtualizers, and other algorithms, either to fixed or floating point targets. I also have done several ports from MATLAB code.Good experience writing algorithms for CAD, and behavioral simulation of microprocessors. Experience designing DSP accelerators using TIE or Verilog.Strong knowledge and experience with FFT, 1D, 2D DCTs and psycho-acoustic compression techniques.

David Layman's Current Company Details

Presdent, CTO at DSPWidgets.com, LLC
David Layman Work Experience Details
  • President, Dspwidgets.Com, Llc
    Presdent And Cto
    President, Dspwidgets.Com, Llc Dec 2015 - Mar 2017
    Chandler, Arizona
    Contracting and Consultiing on a wide variety of DSP algorithms...see www.dspwidgets.com
  • Intel
    Sr Engineer / Architect
    Intel Jul 1999 - Jul 2015
    Chandler, Az
    DSP Audio Architect / LeadUsing advanced IIR and multi-rate techniques, coupled with no holds barred VLIW and SIMD optimization, provided industry busting filters and sample rate converters, for example 44.1K to 96K in under 6 MCPS.Applied DSP knowledge to extend our DSP instruction set, reducing the run time of filters and AEC algorithms substantially.SET-TOP BoxesWrote algorithms for speech processing and audio rendering for set top boxes - including Acoustic Echo Cancellers, beamformers, Wiener Filters to remove fan noise, sample rate conversion, pipeline audio processing such as PEQ and shelf filters, dynamic range controls, limiters, etc.Worked with watermark techniques.Ported and highly optimized several third party IP solutions from DTS and Dolby and other audio codecs, including DTS Neural.Developed automated video quality metrics that could be used to automatically turn bandwidth down for less complex frames while boosting the BW for more detailed frames. Solution was highly complex, and I used 9 parallel TI DSPs to run the frames in real time.
  • Motorola Semiconductor
    Principal Engineer
    Motorola Semiconductor 1989 - 1999
    Austin, Texas Area
    Lead team to develop embedded assembler/linker tools for a major US automotive customer. Wrote post-optimizer to squeeze out performance. Visited customer site near Detroit to work with and address customer issues with tools.Developed portable IrDA protocol stack and ported to several pagers, including Motorola's Page Writer. Worked with customers to integrate and adapt solution to their software stack.Designed and performed layout for CMOS DSP Design, solved a major production issue regarding latch-up.
  • United Technologies
    Sr Engineer
    United Technologies 1982 - 1989
    Coloardo Springs
    Wrote assembler/linker and register level / memory simulator in GUI for our rad hard microprocessor. Used by NASA to develop code for the MARS surveyor program.Wrote behavioral simulator improving turn around time by 40x, enabled engineers to get results over a coffee break, instead of overnight.Simulators, Assemblers/Linkers, Logic Synthesis

David Layman Skills

Embedded Systems Digital Signal Processors Digital Signal Processing Embedded Software Simulations Soc Debugging Software Engineering Dsp Optimization Manufacturing C H.264 Device Drivers Firmware Wireless Dsp Multirate Assembly Architecture Microprocessors Semiconductors System Architecture

David Layman Education Details

Frequently Asked Questions about David Layman

What is David Layman's role at the current company?

David Layman's current role is Presdent, CTO at DSPWidgets.com, LLC.

What is David Layman's email address?

David Layman's email address is da****@****tel.com

What schools did David Layman attend?

David Layman attended National Technological University, University Of Kentucky, Georgia Tech.

What skills is David Layman known for?

David Layman has skills like Embedded Systems, Digital Signal Processors, Digital Signal Processing, Embedded Software, Simulations, Soc, Debugging, Software Engineering, Dsp, Optimization, Manufacturing, C.

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