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Positive Feedback
ISSUE
52
november/december
2010
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Kludge's Annual Awards at the AES Show
Best Sound In Show
The AES Students Recording Critique. PMC monitors,
mostly untreated room but with some of the worst features dealt with. Some
excellent recordings being played back.... a few that weren't so excellent too,
and a panel of experts pointing out the features.
Best New Product in Show:
The Beyer RM510 wireless ribbon mike. It's an
adaptation of the old M-500 design, but supposed to be smoother. The M-500 was a
great stage vocal mike that happened to be a ribbon and this mike seems to
follow on in that tradition. Now, if only they made a wired mike with the same
head...
Best Paper In Show:
Harry Olsen back in the 1930s produced the standard
math model of the ribbon microphone, which treats the ribbon as a single damped
mass-spring system.
That model was reasonably effective for
approximating the ribbon response, but today it's possible to do a much better
job. In "Dynamic Motion of the Corrugated Ribbon in a Ribbon Microphone," Daniel
Schlesinger and Johnathan Abel view the ribbon as a long series of springs, so
they can look at motion of the ribbon in several different directions, not just
on the single axis.
This allows a phenomenally more accurate model to be
made and explains some of the distortion sources in the ribbon mike. What's
more, this research was done by Sennheiser which doesn't even make ribbon mikes.
This is honestly a big advance, and hopefully the next step will be to extend
this to modelling pattern irregularities as well. Preprint 8215
Worst Paper in Show:
In "Vacuum Tube Amplifiers using Electronic DC
Transformers," Theeraphat Poomalee, et al, replace the output transformer of a
conventional vacuum tube amplifier with a switching supply. Basically a 1 MHz
MOSFET oscillator driving a ferrite core transformer driving a filter, this
configuration gives all the disadvantages of Class B tube and class D MOSFET
operation without any of the advantages of either. Preprint 8228
Best Free Thing in Show:
THAT Semiconductor was giving out notepads of graph
paper. Really a handy thing for taking notes at the show itself, as well as for
the usual discussions that always seem to happen when technical people get
together. Not only handy, but people will probably keep notes for a while and
see the THAT logo on each one.
Worst Free Thing in Show:
DPA was giving away really convenient little wallets
for storing small microphones in. They were well-made, and could probably last a
good long time. People could put cheap microphones in them and wave them around
so everyone would think they had DPA mikes, without actually having to buy DPA
mikes. Maybe not such a good plan.
Loudest Sound in Show:
Avid's on-floor demo. It wasn't just loud because of
all the people practically rioting about Avid's decision to support low-cost
hardware and obsolete their expensive Digidesign interfaces. It was just plain
loud, and then it got louder.
Loudest Sound (Honorable Mention):
David Mollerstein's presentation on game audio,
"Mixing the DICE Way." I heard machine guns all the way down the hall in the
author's lounge and came out to investigate but after opening the door I decided
it was too loud to go in.
Tallest Engineer In Show:
Oliver Archut, TAB Funkenwerk
Best Butt in Show:
Karen Gieselhart, Volunteer

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