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FULL STACK ACOUSTICS

INVENTION, DESIGN, PRODUCTION.
FOCUSED ON ACOUSTICS AND RELATED TECHNOLOGIES.
I DELIVER THE FULL STACK NEEDED FOR ACOUSTIC ISSUES.

Inventions
Designs
Lab Gear











Production

INVENTIONS

I currently have 33 issued utility patents, with 12 more pending.  These patents were invented during the support of 13 different clients, and are used in hundreds of millions of products worldwide.

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Improved Speaker Driver

US Patent 7,039,213

More than 1 gap speaker design for high BL linearity and increased range of motion.  Low THD and wide bandwidth are side benefits.

Personally held

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Voice Coil Actuator

US Patent 7,873,180

A method of building a zero - or even negative - inductance loudspeaker driver with high stroke and low distortion.

Invented for Event Electronics

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Magnetically Suspended Flywheel

US Patent 8.368.271

A means of creating a high-energy storage, passively stabilized magnetically suspended flywheel storage system.

Invented for Xinova

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Calibrated Hearing Aid Tuning Appliance

US Patent 8,867,764

A system to provide DIY/at home hearing aid fitting with minimal effort. No need to ever see a hearing health pro.

Invented for Aurasen

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Acoustic Optimization

US Patent 8,965,033

A means of using variable-speed of sound material in front of transducers to correct for time alignment.

Invented for SONOS

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Passive Audio Ear Filters

US Patent 9,131,308

Nonlinear ear plugs which corrected for Fletcher Munson losses in musical situations.  These became the popular DUBS plugs.

Invented for Doppler Labs

DESIGNS

Over the course of my 35 year acoustics career, I have completed hundreds of designs, many of which ship in the millions today.  My prices for transducer development are pretty affordable, especially compared to the cost of an in-house transducer engineer.  Electrical and Mechanical development is affordable, and I have a team of talented engineers and designers who can build out a complete product development group.  Home, automotive, pro, portable, scientific, telecom - I have successful designs in each arena.  Here's a small sampling of what I've done.

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Brahma Subwoofer

The highest stroke subwoofer while in production, the same model held multiple world SPL records and multiple world sound quality championships, proving that one woofer CAN do it all.  Exceptionally high stroke with extremely wide bandwidth and low distortion.

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SONOS Play:1

SONOS' top-selling speaker, this little powerhouse has a massive sound for being so little.  I provided the basic acoustic architecture and designed the woofer and tweeter, as well as production-level processes for this - and many other - SONOS products.

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BioSonics DT System

In the mid 1990s, we changed what a research SONAR system was.  Moved to PCs, wireless networking, machine learning, automatic fish tracking, and unparalleled resolution and capabilities.  The DT series are still in production today, still setting the benchmark.

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Microsoft RoundTable

The Microsoft RoundTable became the Polycom CX5000 - the best video conferencing system on the market.  I designed the transducers, all the physical acoustics (including microphones), mechanical design support, and manufacturing/supplier support.

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Event Electronics Opal

This powerhouse of a two way studio monitor won FutureMusic UK's Monitor of the Decade award.  A massively powerful 8" with midrange articulation better than any dome mid, a beryllium copper dome, and huge power.  I designed the transducers and worked on the physical acoustics.

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Dolby Dimension Headphones

My task was simple - make these ground breaking headphones not just sound great, but bring them to market.  I designed the transducers, acoustical system, and led the mechanical engineering team to bring Dolby's first consumer product to market.

LAB GEAR

Quality test equipment is crucial for successful engineering. I've spent decades investing in the best gear.  And that includes prototyping tools like 3D printers (SLA and FDM), desktop CNC, and laser cutters.

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Large Test Chamber

I built my own 3.3m x 3.3m x 4m chamber.  Anechoic to 170 Hz, it has a very low 12 dBA noise floor.  Double layer drywall, rockwool, custom foam wedges, and an oversized 40" x 86" door.

AudioPrecision, Crysound, B&K, GRAS - and more

Fully AudioPrecision equipped. IEC 711 couplers, a B&K 4100D HATS, more microphones, amplifiers, oscilloscopes.  I own a Crysound 6151B (the industry standard for production test in China) so I can set up test scripts for factories.

PRODUCTION

Engineering is more than just designing; it means taking the concept through production.  If you can't build it, don't design it.  Every new design is engineered from the very start for manufacturability and repeatability.  Quality is a design parameter, it's not a check-box step at the end.

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Automated High Volume Assembly

I worked with the client and their factory to install this high-volume transducer line, capable of over 40,000 TV speakers a day for one of the largest TV brands in the world.

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Materials Processing

Magnets are more than just elements.  It's the process of grinding, sifting, and blending that makes or breaks a magnet.  I reworked their process to increase yield by 15%.

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Self-Aligning Features

This in-ear headphone was designed with molded in features to make it impossible to assemble incorrectly.  Each part can only be inserted one way, guaranteeing quality.

CONTACT

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Contact DW Designs

I reside in Las Vegas, Nevada, about 4 hours from Los Angeles and 6 hours from the Bay area.  Las Vegas is blessed to be a vacation mecca, so flights everywhere are readily available as well, meaning I can be wherever you need on nearly a moment's notice.

dan@danwiggins.net

I travel quite a bit for work.  Being mobile allows me to service customers all around the world.  E-mail is the best way to get in touch with me, and I can usually respond within 24 business hours.

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10620 Southern Highlands Parkway
Suite 110-427
Las Vegas, NV 89141

This is my mailing address; it can receive all packages and correspondence.  Samples and components should be sent to this address unless otherwise instructed.

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