there is no sound generated by Beep.VI when using frequency and duration time. why? Thanks

[happyeveryday]

Hi,
I want to generate some beeps with certain frequency and duration time.

Setting "use system alert? (T)" true, I can hear the beep; Setting "use system alert? (T)" false, certain frequency and duration time, I can't hear any sound. Why?

attachment is the VI.  

LabVIEW 8.2.1, WinXP

[Pnt]

I have the same problem !

A workaround... see "Generate Sound.vi" at Labview examples

[smercurio_fc]

As far as I remember, using the frequency and duration for the Beep VI only works on Macs.

[Ray.R]

Your PC speaker only covers certain frequencies..  Mine goes as low as 37 Hz, which I cannot be distinguished from other lower frequencies.  I have to go up to 80 Hz before hearing any difference. I can hear up to 14000 Hz and barely 15000 Hz.  Now, you cannot compare this with a Hi-Fidelity sound system.. 😉

As for setting False, it will not play anything.  So all appears normal.. And of course, if it does not play anything, the duration setting is ignored..

R

EDIT:  I just read the othe people's posts..  The frequency & duration settings work fine on my machine.  It is a PC, running Win-XP.  

(Finally, I can say something positive about a PC running XP.. 😉 )

Message Edited by JoeLabView on 08-04-2008 06:13 PM