Support and General Use > Recording

Best AGC Safety speed setting for H120

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harpster:
I do stealth recording with my H120 and, as a result, often can't check levels during a show. I've had success with guessing levels, then letting the AGC Safety bump them down as needed. I've been using the fastest setting of 200ms. However, I've had some occasions where the mic input got moved, causing a spike which dramatically lowered gain. I have not experimented with other Safety settings. I'd like to find one that would prevent clipping, but not overly lower gain if I get a spike from jostling the cable. What works best for those of you who do rock concert recordings?

Thanks in advance!

petur:
I've also been using 200ms and had the same issue you had, but not that much...
Maybe it is time to experiment a bit ;)

pabouk:
Did someone think of implementing a filter which would not pass similar noises (as microphone manipulation) to the AGC sound level evaluation? Do you think that it is possible to implement it?

petur:
AGC is only looking at the peak level, not the actual audio

the time settings configures how long the level must be above -3dB (I think) before it gets into action. I'd have to look at the code again, been too long...

pabouk:
Maybe it would be too much for the poor CPUs ::) in the players but I can imagine a filter which could detect sounds which should be ignored for example according to their frequency spectrum and when the sound is detected the peak updates could be temporarily suspended. :P

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