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External microphone with the iPhone - Help
Authored by: rnorum on Jun 29, '09 10:45:30AM
A question regarding these postings: does anyone know if there is an external mic solution for the iphone 3GS? I'm shooting video/audio for a music festival next week and will be doing interviews as well as on-site shots of concerts. So as to be as portable and unencumbered as possible, I'm going to try to do all the video and audio work on the iphone 3gs.

If I pick up a good mic and plug it into the iphone via a coupler to the A/V 4-conductor mini-plug, will this record ok? Or will I need to put something (a line attenuator?) in between mic and iphone to modify the input signal such that it will record. problem of course is that ill be on location and so wont really have ability to have extra equipment along with me – was hoping to do this with just the iphone and an external mic.

I went down to J&R Music World in New York this morning to test out some mic options with my iphone. I tried out the the Audio-Technica ATR50 and made an interesting discovery. The mic plugged into the iphone via the A/V four-conductor miniplug did actually record sound at a decent level, *but* the recording was accompanied by a strange regular metronomic clicking sound. This sounded like some sort of power loop. I've uploaded a copy of the recording here:

Does anyone have any idea what this is and/or if there is any way to get rid of it? Or do you think I am fighting a losing battle?

Cheers in advance,

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