45
DSX
Reference Level at 0 dB
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Measurement used
system
Location of ASCII
files
It is important to adjust the Reference Level to
0 dB
. In this section we will introduce the average value
that we believe that we have in the measurement files. Normally, this value will be adjusted in relation to the mid
frequencies on a Multi-way system, or to an average measurement in the full range. This value is then subtracted
from the complete measurements, to ensure having the final response at
0 dB
on the screen. For example, if
we look at the average on mid frequencies being around 96 dBspl, we will put this value as a reference. If then
we see that we made it too low, we can change this value returning to the
Import Data
window and updating
the reference value to another one, up more or less focused on aquiring the response to
0 dB
.
The way to import the
ASCII Data
with the measure on it, depends on the software-system used.
Following. you can see which procedure and file format will be accepted in each case.
SMART LIVE:
To export a text file, go to
File
, and choose
ASCII Save
and then select which of the curves stored you
want to export (A, B, C, D or E). The format accepted will be the following one.
; SIA SmaartLive Trace Output
; This File Created On Thursday January 10, 2008, At 21:53:49
;
; Comment:
;
;
;
; --------------- Reference Trace C ---------------
;
; Comment: "No Comment"
; Sample Rate: 48000
; FFT: FPPO
; Frequency Resolution: 24 points per octave
; Data Window: Hanning
; Y +/-: 0.0
; 64 average(s)
;
;
; Frequency (Hz)
Magnitude (dB) Phase (degrees)
11.7 ***
***
13.2 -44.42
-141.68
14.6 -45.07
-56.92
16.1 -44.46
1.39
17.6 -43.83
11.76
4 - EDITING WITH DSX
Summary of Contents for DSX-1004
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