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Old 07-21-2009, 2:48 PM
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Question Urgent! Can I use a microphone port instead of a line-in port?

I am planning on applying to broadcast a feed, but the computer that I would be using does not have a line-in port that I know of. Can I use the microphone port?
I will be leaving town in two days and I need to know before then! Please help!!!!!
Thank you in advance!
Dan
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Old 07-21-2009, 2:49 PM
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Try it
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Old 07-21-2009, 2:57 PM
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Using the microphone port in my application works better then the line in.
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Old 07-21-2009, 3:04 PM
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I use the Mic-In for one of my feeds and it works OK. I prefer to use Line-In and agree with others who say that Line-In is the optimal method. However, as long as you disable Mic boost under sound properties, you should be OK with the Mic-In. Just adjust the volume slider and make sure it sounds OK to you.
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Old 07-21-2009, 3:36 PM
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Keep in mind that the mic input on a PC output voltage that powers the electric condenser microphone. When I use the mic input for anything other than a PC mic, I put a capacitor to block the DC voltage from feeding into the scanner or what ever else I use the mic input for.
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Old 07-21-2009, 3:40 PM
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Quote:
Originally Posted by XTS3000 View Post
Keep in mind that the mic input on a PC output voltage that powers the electric condenser microphone. When I use the mic input for anything other than a PC mic, I put a capacitor to block the DC voltage from feeding into the scanner or what ever else I use the mic input for.
The mic input on most PCs are designed for a dynamic element and do not have bias or "Phantom" power.
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Old 07-21-2009, 5:00 PM
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Quote:
Originally Posted by NYRHKY94 View Post
...as long as you disable Mic boost under sound properties, you should be OK with the Mic-In. Just adjust the volume slider and make sure it sounds OK to you.
X2

I am using the front mic port and it works fine. I had to fine tune it and make sure the microphone boost was disabled as it was causing issues with the feed (overpowering it and dropping the connection).
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Old 07-21-2009, 5:04 PM
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Thank you for all your help!
I think I will go on and set up the feed.
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Old 07-21-2009, 5:32 PM
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If it overloads, it is fairly easy to make an attenuator out of a couple of resistors and build it right into the connecting cable.
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