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JJ's Heyser Lecture
JJ delivered the Heyser Lecture at the 133rd AES Convention. PPT deck.
Last modified 11/16/2015 21:35:26.
NOTE: anyone can attend this meeting regardless of their status as an AES member.
AES MEMBERSHIP IS NOT REQUIRED.
Development of a Low Cost Programmable Microphone
Preamp Gain Control IC for Pro Audio Applications
Gary K. Hebert
The Pacific Northwest Section of the AES
Wednesday, June 29th, 2016, 7:30pm
Shoreline Community College, Music Building, Rm 818
Directions to Shoreline CC
THAT Corporation, a manufacturer of integrated circuits for professional audio applications, has been
manufacturing programmable gain control ICs for microphone preamplifiers since 2009. While these
have been adopted in a wide variety of professional audio products, they were often too costly to be
included into many higher volume and high channel count designs. THAT's CTO Gary Hebert will discuss
the performance requirements for these ICs in the professional audio environment and describe the
circuit topology changes and performance tradeoffs made during the development of a new low-cost
gain control IC. He will also present performance data on the new device.
Please join us on Wednesday, June 29th for an enlightening and engaging presentation. Bring your questions!
Gary K. Hebert, CTO & Co-Founder, THAT Corporation
Mr. Hebert is a co-founder of THAT Corporation and a longtime audio-electronics
enthusiast. He currently serves as THAT's Chief Technology Officer, spending the
majority of his time defining and supervising the design of analog and mixed-signal
integrated circuits intended for use in the professional audio industry. He is credited with
creating many of THAT's high-performance audio ICs, including the popular 218x series
of VCAs, the 2162 Dual VCA, the 4320/4315/4305 Analog Engines®, the 1646/1606
Balanced Floating Line Drivers, and the 5171 and 5173 Preamplifier Controllers. He also
continues to serve as an executive advisor to THAT's dbx-tv business unit.
Prior to founding THAT Corporation, Mr. Hebert was with dbx, Inc. from 1981 through
1989, where he held several positions, the last being Electrical Engineering Manger. He
was responsible for a number of audio product designs marketed under the dbx, ADC,
and Audio Dynamics brands. He also worked with semiconductor manufacturers on ICs
used in the dbx Noise Reduction licensing program. He began his career at automated test
equipment manufacturer Teradyne.
Mr. Hebert holds seven patents in the audio electronics field. He has authored and
presented several papers for the Audio Engineering Society. He earned a BSEE from the
Massachusetts Institute of Technology in 1979.
Election time is here again. Unlike our national elections, ours is completely sedate by
comparison; no robocalls, no candidates stumping the election trail, kissing babies
and who knows what else... We announce in May, we elect in June. Since this is the June meeting, we will hold
our annual election for the Section officers and half of the program committee.
Follow this link to see the slate of candidates and their bios:
2016 Election Slate
We Want YOU!
This is YOUR opportunity to give back to your Section. There are five committee
seats that elect each year, and several vacancies. Of course
vacancy or not, you can toss your hat into the ring. In addition, the Section Officers
positions also re-elect at this time, however we ask that candidates for the Chair and ViceChair
positions have previously served on the Section Committee.
The officers and section committee produce the meetings that you attend. Meeting topics
come from the officer/committee group, as well as from you, our Audience.
Sometimes a meeting topic just falls into our laps (like this month's meeting).
Sometimes we have to rustle the bushes to see what we can make fall out. It's fun,
and it keeps us on our toes. We meet via email rather than trying to coordinate
everyone's schedule so that we can congregate somewhere.
If you are not a member (or associate), you may still run, however you must
become a member after winning the position. You may nominate yourself, now or at
the June Election, or you can ask someone to nominate you.
Summer Road Trip?
Note from Rick Chinn:
well, it's almost summer. I think we got a collective yawn on the concept of renting a bus to go to Portland to visit Cascade Record Pressing (CRP).
Besides, the whole thing was far too complicated.
I got asked at the May meeting about where this was headed, and it got me thinking (again). So, how about we pick a date in July or August that works for CRP and us,
and we caravan down I5 to Portland. Each car bears its own costs. It'll take a day; more if you want to hang in PDX and do something; that's your choice.
Speak up now. I think a dozen responses will get me spurred onto the next step (finding a mutually acceptable date). I think a weekday would be best, maybe Saturday.
AES PNW 2015-2016 Section Chair
The material presented at our meetings is the opinion of the presenter
and not necessarily that of the Society. You are encouraged to conduct
your own research and to form your own opinions before adopting the
presented material as Truth.