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Posted by rrstudio2@icqmail.com on 01/19/06 05:56
I am looking into purchasing a cheap digital record for the purposes of
running a lapel mic into it and then using this audio as the audio
track for videos. So with that said, I don't expect studio quality
audio, just fairly decent, definately better than a camcorder's audio.
This flash recorder idea is instead of spending lots of money on a
quality wireless mic. WIth this, I plan on just putting the whole
recorder in the speaker's pocket. I am aware of some of the
disadvantages such as not being able to control the recording level,
however, as I mentioned, I am only going for decent quality. I am
specifically looking at the iriver IFP-899 which has a mic input and
has the ability to record MP3's at 44.1khz with a bit rate of 320 kbps
which to me sounds like it would work fine for doing audio recordings
of someone speaking. My question is about the mic input and the type
of mics that would work with it. Someone
(http://www.misticriver.net/showthread.php?t=27404) says the mic input
specs are
- DC-Voltage (to power eletret mics) 2,75V at 4.5 kOhms.
- Input impedance: 1.9 kOhms, independent of settings, measured at
1kHz.
- Input 'sensitivity' (measured with record slider at highest gain with
1kHz sine wave): Mic. 9mV rms, Line-in 50mV rms. With this values, the
level indicator is at half hight. At 11mV/61mV distortions are starting
to go over 1%, independent of other settings.
Well, it seemes that a standard microphone is good for the ifp-series
if you intend to sing and maybe scream directly into the mike. To pick
up everyday sound, say a chat or unamplified instruments in some metres
distance, a x5 to x10 amplifier is needed to get an acceptable signal
to noise ratio
I don't know much about input sensitivities, I am looking at using an
electrest condenser clip on mic which list the impedance (at 1000hz to
be 1000 ohms and the sensitivity (at 1000hz) to be -65db. Do you think
this mic would work and provide the iriver with enough signal strength
to make a decent recording?
Any other thoughts on flash players under $200 that may work for this
type of application? I briefly thought about the m-audio microtrack,
but it is a little too expensive and has a few too many bugs for the
price of it.
Thanks for your thoughts,
Andrew V. Romero
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