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Hydrogenaudio Forum => Uploads => Topic started by: mzil on 2014-11-18 20:40:05

Title: Constant subsonic rumble in Arny's 3rd sample
Post by: mzil on 2014-11-18 20:40:05
Here's the spectral plot of the constant subsonic rumble in the third excerpt Arny has posted from the last second where the main music has faded away. it shows here as being 50 dB down, or so, but compared to the actual music content of this short sample it is only 30 dB down from the average peak levels, by my eye, hence rather loud.
Title: Constant subsonic rumble in Arny's 3rd sample
Post by: Arnold B. Krueger on 2014-11-18 20:53:47
Here's the spectral plot of the constant subsonic rumble in the third excerpt Arny has posted from the last second where the main music has faded away. it shows here as being 50 dB down, or so, but compared to the actual music content of this short sample it is only 30 dB down from the average peak levels, by my eye, hence rather loud.


More detailed examination shows that it builds  up for the first second of the segment or so, and then holds on strong to the end.  HVAC, no doubt.
Title: Constant subsonic rumble in Arny's 3rd sample
Post by: Kees de Visser on 2014-11-18 21:55:33
That's the natural rumble you get when recording in a church. It's mostly low frequency noise, seldom disturbing with classical music.
It's the small price to pay for a nice, natural reverb.

ps:
Quote
Recording date: October 2007
Location:          Jar Church, Oslo, Norway
Title: Constant subsonic rumble in Arny's 3rd sample
Post by: Alexey Lukin on 2014-11-18 22:09:38
It can be a natural air movement, not specific to any particular venue. Many mics easily pick it up, preamps can handle it too.
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