Gear / Technical Help > Recording Gear
32Bit Float recording - The Technical view
EmRR:
--- Quote from: Paul Isaacs on September 30, 2019, 03:17:07 PM ---2) Not exceeding the +12dBv (+14dBu or 11 volts p-p) maximum input on the MixPre's mic input. Good luck with that!
--- End quote ---
^ This.
A lot of hot modern condensers will clip that, then 32 bit float does nothing for you.
jerryfreak:
i suppose for every recorder there is an optimum gain level that will offer maximum S/N
at some point adding extra gain just to remove it later can only add noise unnecessarily, right?
Gordon:
--- Quote from: EmRR on September 30, 2019, 03:38:44 PM ---
--- Quote from: Paul Isaacs on September 30, 2019, 03:17:07 PM ---2) Not exceeding the +12dBv (+14dBu or 11 volts p-p) maximum input on the MixPre's mic input. Good luck with that!
--- End quote ---
^ This.
A lot of hot modern condensers will clip that, then 32 bit float does nothing for you.
--- End quote ---
explain like I'm an idiot please ;)
jerryfreak:
--- Quote from: EmRR on September 30, 2019, 03:38:44 PM ---
--- Quote from: Paul Isaacs on September 30, 2019, 03:17:07 PM ---2) Not exceeding the +12dBv (+14dBu or 11 volts p-p) maximum input on the MixPre's mic input. Good luck with that!
--- End quote ---
^ This.
A lot of hot modern condensers will clip that, then 32 bit float does nothing for you.
--- End quote ---
DPA MMP-A says maximum output voltage is >5V rms/ >16V peak but youd prob have to be recording jet engines to get it to output that hot
EmRR:
--- Quote from: Gordon on September 30, 2019, 03:52:16 PM ---
--- Quote from: EmRR on September 30, 2019, 03:38:44 PM ---
--- Quote from: Paul Isaacs on September 30, 2019, 03:17:07 PM ---2) Not exceeding the +12dBv (+14dBu or 11 volts p-p) maximum input on the MixPre's mic input. Good luck with that!
--- End quote ---
^ This.
A lot of hot modern condensers will clip that, then 32 bit float does nothing for you.
--- End quote ---
explain like I'm an idiot please ;)
--- End quote ---
If it's clipped....it's clipped.....you can turn it down.....but it's still clipped.....
A TLM103 will exceed that input level anywhere close to a drum kit. As will any Sennheiser MKH mic. A loud show with a lot of subs blowing out the bass will make a lot of mics output that kind of voltage if you are near the stacks. You might still need a pad on the mic or the preamp. Wind noise or vibration will definitely make levels like that, and if it clips it's harder to clean in post. You still have to set levels with an eye on not turning up too much, there's still a ceiling, it's just (confusingly) higher than it was, and past a monitor-able level.
The benefit to me seems to be more from the other end, not having to turn things up a lot in quiet ambient scenarios, especially when you might have unexpected hot transients (thunderstorms?), you can leave it low knowing you have a ton of headroom, without paying a digital penalty for that low level. Recording loud sources that are very even in volume like most people here do, there's not as much to be gained. The guy next to you who starts yelling and exceeds 0dBFS can be turned down if your were recording at -6 or -12 dBFS and he pegs the meter, he might not be distorted. He's a different sort of problem....
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