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November 30th, 2005, 09:41 AM | #1 |
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Sound To Echo-y
I just filmed something today in a big room and found out after the fact that I had a mic problem and the audio instead was recorded my the camera mic. Now i cant reshoot this fottage and the audio quality isnt bad for what I am doing. I was wondering how i can minimize this echo after the fact either in premeire or audition.
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November 30th, 2005, 10:24 AM | #2 |
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Your dry track can be boosted a bit and perhaps compressed alot. In Audition, try the VST plugin "multiband compressor". There are a few presets to get you going. Also the "dynamics" plugin might help.
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November 30th, 2005, 01:38 PM | #3 | |
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Anyways, I don't know the details but I've heard that light use of a noise gate can remove some echo. |
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November 30th, 2005, 02:52 PM | #4 |
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Sorry not dry, but distant with some late reflections ... large room echo ... not present ...
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November 30th, 2005, 03:02 PM | #5 |
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Given the nature of the echo this may or may not work.
Make a copy of the track and invert, should get nothing. Now add serious compression to the inverted track. Play with the compressor settings, and I mean all of them, and the level of the inverted track. What you are trying to achieve is have the compressor compress the wanted signal whilst not touching the unwanted echo leaving it to cancel out. You do reach a limit, artifacts start to creep in. I've had pretty good results with this technique at times. |
December 1st, 2005, 10:28 AM | #6 |
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You can also use some EQ to reduce the problems with your on-camera track. A low end rolloff will reduce some of the echo, which tends to be lower in frequency than the original source. Experiment until you get some reduction that doesn't greatly effect the vocals.
You can also roll off the highs. Since you were more distant than you intended to be, then higher frequency sounds such as noise in your preamps or mic, camera motor noise, AC vent hiss or brighter reflections if this was a hard-surface room, can all be toned down a little. Again, experiment to get some benefit without harming your audio. |
December 3rd, 2005, 06:35 AM | #7 | |
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Not really. Whatever you do to "fix" the problem will have it's own compromising effects. Consider your pooch officially screwed. The good news is that you have learned the first lesson of audio; Listen to everything all the time. Regards, Ty Ford |
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July 4th, 2006, 05:28 PM | #8 |
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Hello Folks,
What program is best to reduce any audio echo or if I want to do audio work... Soundtrack??? I have FCP and it comes with Soundtrack Also I have a question, let's I would like to get my audio to sound sort of what we see on tv, how would I establish that? use a good Shot Gun mic capture the audio and mix it with the image? Im just trying to reducing ambient noise & echo and I woul dlike your help thanks :) Joey Dee
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July 4th, 2006, 08:21 PM | #9 |
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There are few if any programs to unbotch echoey audio. CEDAR is the only one I know and geting rid of echoes because of bad mic usage is NOT its primary function.
To get the sort of audio you hear on TV, you have to hire someone with the tools and experience. Regardless of what you've been led to believe, good audio is not trivial or point and shoot. You need the right tools used the right way for any particular job. Shotgun mics have their uses, but more often than not you'll want a hypercadioid on the boom, not a shotgun. Regards, Ty Ford |
July 4th, 2006, 09:03 PM | #10 |
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Deff makes sense what your saying Ty. What do you suggest me to do, I mean i don't have the money to hire people left, right and centre... Should I buy as you said a Hypercadioid on the boom (im guessing this is a type of mic???) and jsut keep on practicing until I get the hang of it? Should I have the audio record seperate from the film and mix it later or just record it on the film (when I say film meaning dv tape)
Also if you can give me an idea on what type of mic I should get to practice with that would really help me out mate. Many thanks, Joey Dee
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July 5th, 2006, 04:20 AM | #11 | |
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July 5th, 2006, 07:48 AM | #12 |
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What Steve said.
Ty |
July 12th, 2006, 10:06 AM | #13 |
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Sup Fellas,
sorry for the late reply as I was away for the world cup :) upset italy won but thats' football.... OK... So many thanks the info STeve & TY... Im deff here to learn im not afraid to ask for help. I need to just read, expriment & practice until I get a good understand of this medium. Thansk again, joey Dee
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