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December 12th, 2007, 04:46 PM
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#1 |
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Trustee
Join Date: Feb 2006
Location: Niagara Ontario Canada
Posts: 1,121
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hv20 - only phantom power mics?
I have been trying to get a computer mic (1/8 stereo) and another mic (similar) to work with my HV20, but it doesn't seem to work. BUT when I use my XLR mic (with battery power), it works fine. I find this a bit strange when I have two older model camcorders that ALL the mics work fine with...
Is the HV20 only capable of external mic with phantom power? Is there a switch or something that I missed? Thanks |
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December 12th, 2007, 05:07 PM
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#2 |
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Inner Circle
Join Date: Nov 2005
Location: Elk Grove CA
Posts: 6,838
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Good question. I wonder about that too. I just realized all my mini plug mics do have battery power, and I have never tried a computer mic I have on the HV20, or any other camera with a miniplug. So that raises the question as to whether the computer supplies phantom power through the miniplug for computer mics..
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Chris J. Barcellos |
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December 12th, 2007, 05:24 PM
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#3 |
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Trustee
Join Date: Feb 2006
Location: Niagara Ontario Canada
Posts: 1,121
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Would you mind checking for me Chris? Thanks
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December 12th, 2007, 06:00 PM
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#4 |
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Inner Circle
Join Date: Nov 2005
Location: Elk Grove CA
Posts: 6,838
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I'll check it out this evening..
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Chris J. Barcellos |
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December 15th, 2007, 09:17 AM
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#5 |
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Trustee
Join Date: Feb 2006
Location: Niagara Ontario Canada
Posts: 1,121
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Chris, did you have a chance to test it yet?
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December 15th, 2007, 01:18 PM
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#6 |
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Wrangler
Join Date: Sep 2001
Location: Northern VA
Posts: 4,489
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Some computer mics require external power provided over the audio cord by the computer audio card. (And some camcorders do provide this power, but Canons do not). The HV-20 does NOT provide power for an external mic. See page 62 of the (NTSC) manual.
BTW: phantom power is NOT internal power provided by a battery in a mic. It is usually ~48 VDC provided by a preamp to a microphone using a balanced connection (usually XLR connectors). Check the microphone in question specification to determine if it needs or can use phantom power. Computer-furnished power is not "phantom" power, it usually is a DC bais, typically about 5 volts, on the "hot" audio lead from the mic.
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dpalomaki@dspalomaki.com |
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