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AES Member Profile

Mark Stockfisch

Mark Stockfisch

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Audio Fields:

  • Product Design & Manufacturing - Research & Development
  • Broadcasting - Studio
  • Broadcasting - Television Sound
  • Acoustics, Psychoacoustics, Hearing - Measurement and Instrumentation
  • Consumer - Home
  • Product Design & Manufacturing - Software
  • Product Design & Manufacturing - Hardware

Job Duty:

  • Technical Director


A 39-year veteran of the video display industry - helped evolve early consumer TV technologies for use in new applications such as computer monitors, arcade games, and HDTV.

Mark began his video career at Motorola - helping the company make the transition from Quasar consumer televisions to computer monitors. There, Mark developed original tools (video signal generators, video distribution systems, and deflection yoke & CRT testers) for the - then fledgling - computer monitor manufacturing business. By 1980, through Mark's efforts (and those of other pioneers), Motorola's Display Systems Unit had become the largest manufacturer of computer monitors in the US.

In late 1979, Mark was approached by a small rep firm called Quantum Sales, to design a commercial computer video signal generator. Quantum Sales' business plan was to sell modified consumer TV chassis to major arcade manufacturers in the Chicago area and use sales commissions to start a new video test equipment company called Quantum Data. Mark designed Quantum Data's initial product, Pac Man came, and the rest is history. Over time, Quantum Sales was disbanded, Mark was made Quantum Data's Chief Technology Officer, and the company evolved to become one of the world's leading suppliers of test equipment for the design, installation, and service of audio, visual, and control products. Today, Quantum Data instruments can be found in the design laboratories and production facilities of leading IT and CE product manufacturers worldwide.

Mark is a member of IEEE, ACM, SID, AES, SMPTE, VESA, CEA, and the HDMI Forum. He is a former co-chair of CEA's R4.8 WG7 & R4 WG16 workgroups, which penned ANSI/CEA-861 (a platform for A/V interfaces such as HDMI and DisplayPort) and ANSI/CEA-2038 standards. Mark also chaired the HDMI Forum's test subgroup responsible for the HDMI 2.0 compliance test standard. Long ago, Mark chaired the DDWG DVI compliance & interop workgroup.


Test equipment for integrating audio, video, and control interfaces and solving interoperability problems between same.

Video timing, signals, and interfaces.

PLL Pixel Frequency Synthesizers.

MDA, CGA, EGA TTL digital video interfaces.

VGA, YPbPr, CVBS, S-VIDEO analog video interfaces.

DVI, HDMI, DisplayPort, MHL, DiiVA, HDbaseT, SDI, HD-SDI, 3G-SDI, WirelessHD (WiHD), and WHDI uncompressed audio/video digital interfaces.


Non-AES Awards & Award Nominations

CEA Technology Leadership Award, 2010
Consumer Electronics Association
October 2010

The Technology Leadership Award is given to individuals that have made significant contributions to CEA's Technology & Standards Program - who have advanced the state-of-the-art in consumer electronics and have demonstrated industry leadership through active participation in CEA's Technology & Standards program over a long term, generally more than five years.

CEA Technology Achievement Award, 2013
Consumer Electronics Association
October 2013

Honored for technical leadership in the publication of the best-selling standard ANSI/CEA-861-F, "A DTV Profile for High-Speed Digital Interfaces", as co-chair of CEA's Uncompressed A/V Digital Interfaces Workgroup.

Employment History

Quantum Data Incorporated
May 1980 — Present (34 years 10 months)

Motorola Display Systems
Test Equipment Engineer
May 1975 -- May 1980 (5 years 1 month)

PerkinElmer LAS (formerly Packard Instruments)
Service Technician
May 1974 — May 1975 (1 year 1 month)

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AES - Audio Engineering Society