Generating tones with computer sound card

Wed Oct 31 09:34:36 EDT 2007

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Arjun Sarwal wrote:
> I need to do some testing (need sine waves of 50hz, 1khz, 10khz) and I
> am unable to get hold of a function generator. I was thinking of using
> my computer (PC) sound card to generate these tones. I am wondering if
> anybody has done this - so that I may know how clean such tones
> generated from the computer sound card generally are ?

Using the headphone jack, the output should be quite clean.  Of course, you will
be limited to the sampling rate and bit depth of the card, but for your purposes
this should not be a problem.

- --Ben
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