Sound level options for voice analysis

I have two questions.
I am analysing voice signals using GRAAS microphone, NI9234, cDAQ 9178 & labview 2011. I am trying to produce a two dimensional graph of the signal with SPL (DB)(y-axis) versus frequency (x-axis). I noticed that the SVT sound level.vi from the sound & vibration toolkit outputs into 4 different values;
1. exponential averaging sound level (dB),
2. Leq sound level (dB),
3. running leq sound level (dB), and
4. peak sound level (dB).
Which of this four should I use.
Is it right that I should use linear weightage for human voice analysis?
Thanks in advance

If you've put the sound level to max & still not so comprehensible audio, it could be a hardware fault. A long shot, this haps to my friend check the small hole for the speaker if there is grit/dirt blocking it.
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Message was edited by: Harmz
Message was edited by: Harmz

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Message was edited by: Harmz

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Here is a past post, hope this helps.
1. Bill Hunt,
Jun 26, 2011 9:12 AM in reply to J4e8a16n
Report
JP,
I do not have my CS5 Extended handy, so will go from the Premiere Pro (Adobe's video editor) side of the street. Bear with me on this, as PS-Extended might do things a bit differently.
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