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How to erase voice and low hum?
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Thanks Nigel,
That’s a good idea. I will use soft background music to mask low noise for wildlife video. I discovered after erasing traffic noise that more work needs to be done to rebalance the track.
Yes, Sony’s Track EQ is easy to use. Still, I will have to invest in software to isolate particular noises. Thanks to all the suggestions. Lot’s of learning for a newbie like me.
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Just a naïve idea, but Sound Forge has a plug-in designed to remove voice or music from an audio track. I have no idea how it works but since it seems to be optimized for voice, it might work.
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Some of the plug-ins that remove vocals rely on the fact that vocals are usually mixed in the center of a stereo mix and so by inverting one channel they can cancel out the center mix and thus cancel out the vocals. This approach would not work on a mono recording such as one from a camera microphone.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Has anyone used Sound Forge Audio Studio 10.0’s Vocal Eraser plug-in. Does it work well? It’s just $65 for the software.
John points out that this might not work on mono input. Would a stereo mic solve the problem?
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[Jim Ho] “Would a stereo mic solve the problem?”
No. A stereo mic would only record a stereo image where the voices would be in each channel. This is not the same as having a stereo mix where you deliberately place the mono voices in the center of a stereo mix.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Arh, John!
Does this mean that it can’t be done with a recording in the field using a standard external mic?
Or, is there a special proceedure that you need to do before you deploy Sound Forge etc?
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[Jim Ho] “Does this mean that it can’t be done with a recording in the field using a standard external mic?”
That’s correct. What you are trying to do is the equivalent of trying to take the eggs out of a cake once it’s baked. It simply can’t be done. The solution is to avoid the voices in the first place. This can be accomplished by getting a uni-directional microphone closer to the source you are trying to record.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Ha! Getting the eggs out of the baked cake is a great analogy. The closer your microphone to the intended sound source is key. I use lavaliere mics with success. ~William
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