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Dayton Audio UMM-6 USB Measurement Microphone
What is the noise floor of this measurement system?
The specs mention 127db SPL as max level, and S/N of 70 db (A weighted). Does that mean that the microphone has a noise floor of 57db SPL (127-70) or is some other reference level used for the S/N measurement?
In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement system.Microphones themselves noise floor is practically immeasurable, adding in a preamp stage to make it function is were thing begin to change and 99.99% cause of hiss / hence, noise floor.Other noise floor causes:thermal noise, black-body, cosmic noise as well as atmospheric noise.57db refers to the lowest measurable sound pressure on the diaphragm that'saccurate within manufactures specifications.Us sound engineers refer noise floor as "AIR" stemming from electronics circuit hiss.
Date published: 2013-07-22
Is this the same mic used in Omnimic V2? Would it work as a replacement mic for Omnimic V2?
OmniMic software is keyed to the OmniMic hardware. The UMM-6 cannot be used as a replacement for the OmniMic, because the OmniMic software will not recognize it as an OmniMic, and will not update the display.
Date published: 2014-02-09
What sampling frequencies are supported?
16 bit - 44.1/48khz
Date published: 2013-02-23
Does this come with Data Aquisition Software?
I mean the software to see and record time data and transform into frquency, octave data in dB, Pa, Volts.
Unfortunately no, this mic only includes the case, tripod, USB cable and calibration information.
Date published: 2013-11-06