Audacity Forum

Since you're starting out with an MP3, you should Export the corrected show as a WAV (Microsoft) instead of MP3 to keep the quality up. If you need another MP3, you will need to install the Lame software package. Audacity will not produce an MP3 by itself. Use a very high MP3 quality value like 256 ...

You can try the Noise Removal tools. Find a portion of the show with hiss only and no performance and use that as the profile, and then apply the tool to the whole show -- or at least enough of the show so you can tell it's going to help or not. No use sitting through processing a two-hour show only...

How did you connect the cassette machine to the computer?

Koz

I've been trying to record my voice through the built-in microphone I bet you're not doing that. Those aren't "earphones." Those are communications or conferencing headsets with a built-in microphone . Remember this: Audacity > Preferences > Devices > Recording. Does that say Built-In-Mic...

If the music does hit one of those frequencies, then not only does it get taken out, but it takes a few moments for the filter to "catch up", and in those few moments it rings. Thus a broadband transient, such as a hand clap, does not just go "snap" it goes "ping...." ...

Are you sure they were plugged all the way in? these "EarPods" may make make something to the Mac settings or something... Earbuds. You plug your earbuds into your iPod. You have to get all these mac-isms right or they come for you in the night. Just kidding. Soundflower is the free softwa...

Of course just when you think you have it licked comes the poster who bought a wall-powered hub with a trash wall power supply.

Koz

The power either comes down the USB cable from the computer, or it comes from the wall, the wall having priority. With everything connected, we can unplug the wall power and watch the lights on the hub flicker as it changes sources. None of the audio connections carry power. We use a different featu...

Mic-In on a Windows Laptop (frequently pink) is used for a microphone... http://kozco.com/tech/audacity/pix/computerAnalogMicrophone.jpg http://www.kozco.com/tech/audacity/pix/PCLaptopSound.jpg ...and usually nothing else. It's mono, super sensitive, parts of it non-adjustable and easily overloaded....

while listening to a speech with headphones.

Closed, Sealed Headphones, or open frame headphones or earbuds? Earbuds notoriously leak sound. Remember standing behind somebody at a crosswalk and hearing the Nine Inch Nails they were listening to?

Koz