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Audio Gain
Sorry to be so full of questions today…
We’re planing on doing some air travel and bringing our large camera is not practical.
However, when using our XLR mikes on the small cameras, there is no way to shut of the automatic gain control so we end up with something like this where the audio builds when not saying anything indicated by the arrows.Is there any way at all in solving this problem. iZotope denoiser won’t take it out because of the accelerated volume. Using a volume envelope could be the answer but is there anything better?
Roger Bansemer
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6 Replies
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[Roger Bansemer] “there is no way to shut of the automatic gain control”
What camera is that?
G
Video Content Creator and Potter
PC 7 64-bit 16gb * Intel® Core™i7-2600k Quad Core 3.40GHz * 2GB NVIDIA GEFORCE GTX 560 Ti
Cameras: Canon XF300 + PowerShot SX50HS Bridge -
Yes, there is. Take along a Zoom H4N. It can handle XLR mics, and can record in at least two formats (MP3 and Wav) at several different levels of precision and sampling frequency. Your camera should also record the audio to give you the ability to synch the Zoom’s file to the camera’s video. I do this as standard procedure, and it works like a charm.
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There’s small Sony cameras that have no ability to change the automatic gain. But… I do have a really nice Sony recorder I could use if placed close enough to the interview. Not as good as using an XLR but probably the next best thing.
Thanks.
RogerRoger Bansemer
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Wow! I just looked on my Sony PCM-D50 recorder and it does have the ability to put in an XLR mike. Great!
My two small camera’s are an HRD RX520 and then a HDR CX160.Roger Bansemer
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Hi Roger,
As mentioned with the Zoom recorder, you should be able record the input on the D-50 and use the line out or headphone out to feed the camera audio input. This gives you a double system. You would still plug your headphones into the camera, so you can monitor. I do it all the time with tascam recorders. I have found that the recorder output does not cause the camera auto gain to kick in very much. Another useful tip is to record one channel hot and one low on the recorder so you have a margin of audio level safety. Some recorders have that feature built in.
ColinColin Mendez Morris
ArsMusica
http://www.arsmusica.ca -
Hi Colin,
Thanks for the info. I think that will work out fine.Roger Bansemer
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