Audio not working on mobile devices after recording

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long_ashes

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Hello,

I hope this is the right place to post my question. I'm new to audio equipment so I don't know a whole lot about what I'm doing. Basicaly, I run a review video/audio podcast show on the net. I started off with a really crappy camera, and I've slowly matured into a mediocre camera. I first tried lapel mics plugged into a bheringer mixer but we were getting a lot of hiss from them, so I bought an audio technica mic (around 50 bucks). It worked but was very low and still had a small hiss.

I finally broke down and bought an AKG perception 120, then used a preamp to go from the Perception's XLR inputs to a 3.5mm input into the camera. The camera I have now is the Canon Vixia hf m300. All seemed to be going well, the audio was perfect, but then I realized that none of my videos on mobile devices had audio. After doing a lot of searching I came up empty. I tried various different configurations and rendering techniques with the video files. I noticed that the audio coming from the camera playback also had the same problem. All you hear is some slight static and mumbling of possible voices in an alien garggle/chirping.

I called sweetwater to find out what they could do, and after some investigation, the tech I talked with saw that in my camera's manual it states that the camera has a built-in pre amp. We thought that maybe the two pre-amps that my mic was going through was the issue, so I recently bought just a phantom power supply and nixed the preamp. I just tried it tonight and I'm getting the same effects as before when listening to the camera playback. I tried my old mic once more and it worked fine hooked up to my camera. My Perception 120 also sounds fine when recording directly into a PC (though I assume that the sound would be garbled coming from the camera). I am at wits end and I'm not sure what the best approach is next. I'm assuming that my issue has something to do with the different speakers that are on cameras/mobile devices vs. PCs. Stereo vs. mono? I'm not sure, but if anyone has an idea of what my issue might be, I would greatly appreciate the help. Thanks in advance.
 
Preamp: Art Tube MP
Microphone: AKG Perception 120
Camera: Canon HF m300
Phantom Power Supply: Behringer-PS400-Ultra-Compact-Phantom-Supply

I'm not using both preamp and phantom power supply, only one or the other and same results. I'm from XLR input from the mic into the preamp or phantom power supply and XLR output from the preamp or or phantom power supply to an adapter that turns XLR to 3.5mm jack into the camera.
 
My first guess is that the impedances don't match. Second guess is that the mic input on the camera is defective. Does Canon sell an external mic for the camera?
 
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