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Use an external microphone with the iPhone
Authored by: atchius on May 04, '09 03:13:07PM

Once at church, we needed to do a quick phone interview during the worship service with a guy away on a mission trip. Our pastor remained on stage, speaking into his microphone for the congregation. The phone stayed in the back with me, and the guy on the line could hear everything coming through our sound system. When he spoke it fed into one of our mixer input channels.

In case anyone needs the exact setup:

• Mixer AUX 1/4" TRS female line-level balanced output
• 1/4" TS male -> 1/4" TS male patch cable
• Direct-injection box with 1/4" TS female line-level unbalanced input and XLR female mic-level balanced output
• XLR male -> 1/4" TS male adapter
• 1/4" TS female -> RCA female adapter
• RCA x3 male -> TRRS 1/8" male camcorder cable, connected to iPhone (the RCA colors were wrong on ours)
• RCA x2 female -> TS x2 1/4" male patch cable
• Mixer INSTR 1/4" TS x2 female line-level unbalanced input

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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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Use an external microphone with the iPhone
Authored by: KingBroseph on Sep 04, '09 05:18:05PM

How is this possible. Isn't the iPhone jack only output? I've tried to do this with RCA cables and the right adapters and using an amplifier and still the only audio picked up by my phone is from the internal mic.

Can someone please confirm this?

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