background hum on voice recording

  Steve Last 14:57 04 Feb 2008

I'm pretty much an ignoramus on audio technicalities but have a similar problem to the person with "hiss" but that thread hasn't solved this problem for me. I have a "broken" humming background noise on voice recordings I am making for commentary on a video. It sounds a bit like mains hum but is interrupted. I have uploaded a sample at click here

I am using a headset mike plugged into a Dell Insopiron 6000 laptop.

Any ideas please??
Steve Last

  Steve Last 15:12 04 Feb 2008

sorry, try click here

  Steve Last 15:15 04 Feb 2008

apologies again - does this forum not allow editing of posted messages to correct typos? Anyway looks like my URL doesn't work.

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