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Author Topic: Iriver H120 internal mics picking up hard drive noise - fix?  (Read 1302 times)

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Offline Aaron41

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I've started audio recording the lectures in my classes at college using the internal mics in my Iriver H120. After listening to my recordings I am pretty impressed but annoyed by the whirring of the hard drive that is very audible during portions. It makes it hard to hear the professor although it isn't impossible.

Is there anything I can do to lessen the noise of the hard drive or something to cause it to whir less often? I know I could run a stand with mics so that I don't pick up the sound but I'd much rather not do this.  ;)

Any advice would be great. Thanks!
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Offline rsimms3

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Re: Iriver H120 internal mics picking up hard drive noise - fix?
« Reply #1 on: June 29, 2009, 02:27:07 PM »
1. CF Mod
2. Get the professor to carry around your h120 and speak directly into it
3. Vulcan mindmeld
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Offline petur

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Re: Iriver H120 internal mics picking up hard drive noise - fix?
« Reply #2 on: June 30, 2009, 04:06:10 AM »
4. record as mp3 - the compression causes more audio to fit in the buffer so less spinups

but I agree with the CF mod of course.... I now also use the internal mic from time to time, and the quality isn't too bad :)

Offline Aaron41

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Re: Iriver H120 internal mics picking up hard drive noise - fix?
« Reply #3 on: June 30, 2009, 09:45:27 AM »
4. record as mp3 - the compression causes more audio to fit in the buffer so less spinups

but I agree with the CF mod of course.... I now also use the internal mic from time to time, and the quality isn't too bad :)

I'm going to experiment with recording as mp3 today. I figure that an 80 kbps mono file will sound decent enough. We will see. I compressed my first day of class at ABR 56 (mono, 32 khz) and it sounds great.
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Offline sunjan

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Re: Iriver H120 internal mics picking up hard drive noise - fix?
« Reply #4 on: July 01, 2009, 12:23:12 AM »
5. use external mics. :-)

But apart from that, the CF mod is a no-brainer. All iriver owners who value their recordings should go for it...
Mics: A-51s LE, CK 930, Line Audo CM3, AT853Rx (hc,c,sc),  ECM 121, ECM 909A
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Offline deadhoarse

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Re: Iriver H120 internal mics picking up hard drive noise - fix?
« Reply #5 on: July 01, 2009, 09:57:24 AM »
Do you have the little external mic that the iriver came with? It's quite good for voice recording I've found.

Offline Aaron41

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Re: Iriver H120 internal mics picking up hard drive noise - fix?
« Reply #6 on: July 01, 2009, 10:06:33 AM »
Do you have the little external mic that the iriver came with? It's quite good for voice recording I've found.


My Iriver unfortunately never came with an external mic. I thought about buying one.

I recorded yesterday's lecture in a 80 kbps mono mp3 file. After listening, the quality sounds good and I don't hear the hard drive. I didn't have time to sample the whole lecture but I couldn't hear the hard drive at all. I'd imagine it whirs at least once or twice during the file but I can live with that.
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Online Chuck

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Re: Iriver H120 internal mics picking up hard drive noise - fix?
« Reply #7 on: July 02, 2009, 09:17:33 AM »
Another vote for CF mod.
Reality is merely an illusion, albeit a very persistent one.

Microphones: (2) Microtech Gefell M300, (2) AKG C 480 B comb-ULS/ CK 61/ CK 63, (2) CAD GXL1200 (cardioid and sub-cardioid capsule & electronics mod), (2) Audix M1290-o, (2) Micro capsule active cables w/ Naiant PFA's, (2) Naiant MSH-1O, (2) Naiant AKG Active cables, (2) Church CA-11 (cardioid), (2) CAD C9, (1) Nady SCM-1000 (mod)
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