1. For the April meeting with David Griesinger 21
intrepid souls convened to have their headphone/hearing response tested
for a calibration curve. It takes into account the headphone response,
ear canal cavity resonances, resonances in the cavity between the headphone
and the head, the pinnae and the hearing response. These numbers then
are applied as a correction factor with a 1/3 octave equalizer ($150)
allows headphone listening to sound as if you were listening in free
field, without the 'phones. My experience was without the correction
the recording sounded flat and smeared. With correction, the music moved
forward (out of the head) and the instruments were pinpointed. The curve
is for a specific headphone that was brought, however I think that any
headphone would be improved. Apparently the quality of the headphone
2. Ends of era: Sony is discontinuing the manufacture
of Beta tape.
I stopped by the CD/DVD/VHS machine section of Walmart
and it was entirely gone, replaced by iPhone accessories.
3. A drawing was held for the Meeting Summary Writer
Annual Bonus. The winner was Alvin Foster, CES Report 2015.
email me here