Audacity Forum

All the Google hits go straight to the AT2020. This may be like the Logitech Desktop Microphone which doesn't have a model number because there ever was only one.

Koz

You need to get lame from audacity download page: http://audacityteam.org/help/faq?s=inst ... m=lame-mp3

Other versions of lame won't work with audacity.

lberman wrote:I have an Audio Technica USB mic

Do you have the model number?

Behold, another of the problems of a USB microphone. 2M/six foot cable restriction.
Koz

Oh, wait. This is running on a USB extension cable, isn't it?

See what happens to the noise if you take the extension out.

Koz

This is my Macbook cold except for the heavy cloth (Duvetyne) over the screen to avoid sound reflections. http://www.kozco.com/tech/audacity/clips/ExecCommMacBookTest2a.wav I ran a very gentle noise reduction and pulled much of that air conditioning noise out. http://www.kozco.com/tech/audacity/clip...

Two things that bother me: 1) The very low frequency rumble that keeps coming in (look closely at the waveform right at the beginning of the track) 2) The noise level is not constant - it's going up and down all over the place. Notice the sudden rise in noise level just before the first word - what'...

AT2020? Which model number? You don't stop talking long enough for us to hear and analyze the background noise. Yes, there is something back there. Count to five in normal voice and then hold your breath for two or three seconds. That's high frequency distortion -- "essing" and it's a litt...

Well, that appears to have done it. Thanks, Steve!

Just one other question: If I download another rev. of Audacity, will I need to follow your protocol again?

Appreciate all your help.

Sorry James but you're asking for miracles.
There is just about every type of noise in that audio sample including broad-band noise, intermittent clunking, and multiple background voices.
A small amount of noise reduction is possible, but not enough to make the main voices clear.