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#1 |
Trustee
Join Date: Mar 2006
Location: Montreal, Quebec
Posts: 1,585
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lapel mic hiss help
Hi all,
My first post, I think. Glad to be here. Already learned lots from you all. Anyway, I wanted to use a lapel mic directly into my camera (Z1U). We have a mono mic from Giant Squid that we bought to use with an iriver (so I think the right and left channels are swapped to make up for the fact that the iriver uses right channel as mono). This is the mic http://www.giant-squid-audio-lab.com/gs/gs-mono1.htm We bought an XLR to 1/4 adapter, a 1/4 to 1/8 adapter and plugged the mic into a 20' XLR cable and directly into the Z1. I put one channel on auto (just in case the other was clipping), the other on manual. Trim is set to 0db (mostly cause I don't know what it does - time for more reading). Sounded fine through the headphones (time for new headphones), levels were good, but apparently I was unable to hear that there was a substantial hiss in the sound. Now, I'm far from a sound expert, so I don't know if it's the mic, the cable and adapters, or the camera somehow giving me this. Anyone have some guidance? Yes, I searched the forums and Google first. Thanks for your help, Vito |
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#2 | |
Inner Circle
Join Date: Mar 2005
Location: Hamilton, Ontario, Canada
Posts: 5,742
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Quote:
Your arrangement of going through a set of adapters to an XLR cable over to the camera may be picking up noise as well. Using simple connector adapters to convert an unbalanced source such as your mic to a balanced cable and input unbalances the whole shebang and cancels out any of the advantages of a balanced system, namely it's relative immunity to noise and interference. Set aside the Giant Squid mic and reserve it for use with your iRiver and get a proper lav or two from Sennheiser, Audio-Technica, Countryman, etc to use with your camera (and perhaps a decent preamp/mixer like the Sound Devices MixPre to go with it as well). As the sayings go, "audio is 75% of what you see on film" and "a chain is only as strong as its weakest link" so it really doesn't make a lot of sense to spend $5000 for the camera and then slap a $30 microphone on it.
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#3 |
Fred Retread
Join Date: Jul 2004
Location: Hartford, CT
Posts: 1,227
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Steve is right, but if you need a remedy to tide you over until you can afford the proper solution, the program SoundSoap by BIAS software will remove hiss very cleanly.
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"Nothing in the world can take the place of persistence..." - Calvin Coolidge "My brain is wired to want to know how other things are wired." - Me |
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#4 | |||
Trustee
Join Date: Mar 2006
Location: Montreal, Quebec
Posts: 1,585
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Hi Steve,
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Thanks for your time and trouble. There's always something to learn, and I'm happy to get the benefit of your experience. Greetings from Montreal, Vito |
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#5 | |
Trustee
Join Date: Mar 2006
Location: Montreal, Quebec
Posts: 1,585
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Quote:
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#6 |
Regular Crew
Join Date: Mar 2006
Location: Rochester, NY
Posts: 113
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You can remove hiss by fiddling with the "HI" knob on the EQ (equalizer). Some hiss can also be removed by taking a little off the bass floor (LO). MID will also give you a little more "POW" in vocals. Adjust it so that it sounds clean, but natural, not too altered.
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#7 |
Inner Circle
Join Date: May 2006
Location: Camas, WA, USA
Posts: 5,513
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But if you cut the highs, you'll take the "air" out of the dialog, without really getting rid of the hiss.
Go for a noise reduction plug-in. You can get rid of 90% or more of the hiss while taking 10% or less away from your dialog. You may find that you need to add some ambient noise back in to make it sound natural - the noise reduction will take away hiss and the recorded ambient noise.
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