8.2 Meta data file ”
xxxxxxxx
.xml”
(Bsp. 10160233.xml)
With every saved
”
xxxxxxxx
.wav”
audio file, an additional information file ”xxxxxxxx
.xml
” is saved, following the
same numbering convention, and containing various meta information on recording time, date, location,
temperature and the BATLOGGER parameter settings.
Example of the content of an *.xml meta information file:
<BatRecord>
The .xml info file contains the following information:
<Firmware>2.0</Firmware>
The firmware of the BATLOGGER was version 2.0
<SN>1016</SN>
The BATLOGGER's number was 1016 (
S
erial
N
umber)
<Filename>10160435.wav</Filename>
The accompanying WAVE file is ”10160435.wav”
<DateTime>28.04.2010 21:31:29</DateTime>
The recording happened on April, 28. 2010 at 21:31:29
<Duration>2 Sec</Duration>
The recording duration is 2 seconds
<Samplerate>312500 Hz</Samplerate>
The sampling rate was 312500 samples per second
<Temperature>26 C</Temperature>
The temperature when recording was 26° C
<BattVoltage>3.92 V</BattVoltage>
The battery voltage amounted to 3.92 V
<GPS>
<Valid>yes</Valid>
The GPS information was valid
<Position>47.056358 8.251432</Position>
Lat.- & longitude of the rec. position in degrees
(WGS84)
<Altitude>475.299988 m</Altitude>
Elevation above sea level was 475.3 m
<CH1903>661752/212022</CH1903>
The Swiss coordinates are 661752 / 212022 m
(CH1903)
<HDOP>1.140000</HDOP>
The horizontal precision amounts to 1.14 (lower=better)
GPSTimestamp>19:31:20+2h</GPSTimestamp>
GPS time was 19:31:20 UTC + 2 h. for local time
<GPSAge>9 Sec</GPSAge>
The GPS “age” was 9 seconds (last positional reading)
</GPS>
(In case of invalid or missing GPS information, the above section will just contain:
<Valid>never</Valid>
)
<Trigger>
<TRIG_MODE>Crest</TRIG_MODE>
The trigger mode was set to ”Crest”
<Version>V1.0</Version>
The version of the triggering algorithm was V1.0
<Event>AutoTriggerd</Event>
The triggering was automatic, thus with the Crest routine
<PRETRIG_TIME_MS>500</PRETRIG_TIME_MS>
Before the first trigger occurred, 0.5 s were recorded
<POSTTRIG_TIME_MS>1000</POSTTRIG_TIME_MS>
After the last trigger event, 1 s was additionally recorded
<TRIG_PAR0>6</TRIG_PAR0>
The parameter ”min.Crest” was set to 6
<TRIG_PAR1>2</TRIG_PAR1>
The parameter “min.RMS” was set to 2
<TRIG_PAR2>2</TRIG_PAR2>
The parameter ”min.Peak” was set to 2
<TRIG_PAR3>12</TRIG_PAR3>
Trigger cutoff freq. was set to > than 12x1.22kHz=15 kHz
<TrigValue0>6</TrigValue0>
Triggering Value of parameter TRIG_PAR0
<TrigValue1>40</TrigValue1>
Triggering Value of parameter TRIG_PAR1
<TrigValue2>263</TrigValue2>
Triggering Value of parameter TRIG_PAR2
<TrigValue3>44</TrigValue3>
Triggering Value of parameter TRIG_PAR3
</Trigger>
</BatRecord>
BATLOGGER Manual
Elekon AG Nov. 2012
21/28
