Cory Waters wrote:
I don't believe the impedance mismatch is the source of your problems.
Most audio electronics will have a much higher specified input impedance
than the corresponding output of the source device.
Thanks!
There's some quick reading here:
http://hyperphysics.phy-astr.gsu.edu/hbase/audio/imped.html#c1 with a link
at the bottom for some more specifically about microphones.
It's about the desired result (fidelity) vs the "perfect circuit"
OK.
I can't say why the mic you bought sounds like crap. You ought to be able
to purchase about any small shotgun or other directional mic, along with a
hot-shoe based shock mount and, if need be, an adapter cable from XLR to
mini jack and get better sound than the built-in.
I was expecting that.
Microphones do provide varying output voltages so some need more input
amplification than others, but given the market these things are shooting
for, I'd bet they are all about the same.
Come to think of it, I wonder if there's a setting in the camera for audio
level adjustment or for stereo vs mono external mic.
Not on a Pentax one, so far. I expect that will be implemented in next
K-5HDV Super Duper, to be released the day after I'll buy a better mic.
You wouldn't have an9other camera (or anything else) handy to test the mic
with?
I'm going to try to find one. In the mean time, I've tested the mic with a
PC, comparing it to the even crappier external mic I use with it. The poor
thing (cheapo cheapo mic) is a little better (supplying a higher level and
overall better sound) than the SG108 shotgun mic.
Dario
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