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Posted by P.C. Ford on 10/05/88 11:38
On Sun, 29 Jan 2006 12:03:31 GMT, "Netmask"
<netmask56NOFLEAS@geemail.com> wrote:
>A technique I used as a film sound mixer yonks ago in the pre digital age to
>identify the dominate frequency range, was first to try and INCREASE the
>offending noise via a parametric equaliser or a 64 channel graphic. It's a
>lot easier that way, then reverse you settings but be conservative. Get rid
>of ultra lows first via a 40db/octave hi pass filter to eliminate the 'mud
>factor'. If the scene is self contained and the previous or post scenes do
>not have the same voices then you could be a little more aggressive in your
>EQ. It's when you have a close A/B comparison that makes the whole thing
>sound bad. Downward expansion of around 3db helps but be careful not to
>produce 'packets of words'. It's far better to get it right on location even
>if it's a pain for the non sound people hanging around.
>
>In this situation it's likely that the offending sound will be broad band
>pink noise so in the end all you will be able to do is a subtle reduction.
>Human hearing seems to be a little more sensitive to a loss of sound rather
>than it's presence that's why noise gates tend to draw your attention to
>what's happening unless there is a filler substitute sound overlay like
>music or distant traffic etc.. iZotope Ozone make a good plug-in - not sure
>of it's availability or cost
Ok, thanks, Netmask.
From what I have learned, your solution is the preferred mission.
>
>
>"P.C. Ford" <meoh@mouse-potato.com> wrote in message
>news:ibfjt11g4fg4ebi7uo8sip2njp060f1df2@4ax.com...
>> I'm doing a video for a client. We requested that they shut off the
>> overhead heating ducts when we were shooting. The facilities people
>> did not. The sound is noticeable, though one tunes it out after a
>> while. However, it would certainly be better if I could get rid of it.
>>
>> I have Sound Forge 6 but have used it to do really simple stuff.
>> Otherwise I am pretty much a newby. We have some "room tone"; it's
>> only the sound of fan/room.
>>
>> I've read some stuff but can't seem to head off in the correct
>> direction. Can someone give me a push?
>
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