Model 831 Manual Voice Messages 25-3
Event Time History Data
The 1/3 octave spectra are
measured when the spectral mode
has been selected to be either 1/3
octave or 1/1,1/3 octave.
When event time history data are being saved, this will
increase the amount of memory utilized as follows:
•Without Spectral Data: 4*(Number of Samples)+20
•With 1/1 Octave Spectra: 13*4*(Number of Samples)+20
•With 1/1 Octave Spectra: 37*4*(Number of Samples)+20
Voice Messages
The amount of memory utilized, in bytes, when storing each
voice message is calculated as follows:
24+16000*(Record Length)
where Record Length is in seconds.
Sound Recording
The amount of memory utilized, in bytes, when storing each
sound recording is calculated as follows:
72+2*(Sampling Rate)*(Record Length)
where:
• Sampling Rate is in Hz
• Record Length is in seconds.
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