how to save the data as .wav file taken from DAQ card

[zabi154]

hi scott,

thanx scott for your reply ,now i m able acquire voice signal from multiple channel i  have an another question and i will be very thank full to u if u guide me somewhere, my question is that the noise comming from daq is random sometimes is very low in millivolts sometimes it is very high in volts  , i want to detect a voice signal  and noise signal u hve any good idea for that ,from which bases i set a threshold and  what type of signal processing techniques should i apply for that

regard zohaib

[GoCougs]

It sounds like you need to have a lowpass filter on your input. This can be done with hardware, or in software with the filter VIs. You will want to filter out anything above 20KHz. If you are still seeing noise, you may want to try to filter out anythign under 100 Hz.