Audacity Forum

I think this is what you mean: http://wiki.audacityteam.org/wiki/Recor ... e_computer

Audacity currently only supports a maximum of 2 channels for playback (stereo), though you can export multi-channel audio files if you have some means of playing them.
What sort of M-Audio Mixer do you have (model number?) and how is it connected to the computer?

PHL wrote:Is there a program to let me take an audio file ( mainly WAV ) and modify its properties as I want ?

Yes, Sox http://sox.sourceforge.net/

It may be too late to rescue your current projects. While a project is open, you can undo actions by pressing Ctrl+Z (or select "Undo" from the Edit menu) This article may give some clues as to what went wrong in the other project, or at least help you to avoid the problem from re-occuring...

Do you have a multi-channel sound card? If so, what sort?

You probably need to enable the input in the Windows "Control Panel" as described here: http://wiki.audacityteam.org/wiki/Mixer ... trol_Panel

The "filter frequency" is the -3 dB point. First order filters do not go from a flat frequency response then suddenly switch to -6dB/octave. The roll-off is a curve that has a gradual transition from flat to -6dB/octave. The corner frequency is usually defined as the -3dB point (as it is i...

soundreinvented wrote:if the answer is super obvious

Funny you should say that. Try the free format converter "SUPER" by erightsoft http://www.erightsoft.com/SUPER.html
(you need to follow the multiple links carefully to get to the download)

But what can be done with signal drops ? You mean when chunks of data are missing? (drop-outs) There are some techniques for concealing very small amounts of data loss (packet loss concealment), but if the lost data is much more than loosing the occasional few bytes there's not much that can be don...

The Great Turtlenecked Father in Cupertino has determined that Macs won't support FireWire any more. My last purchase was determined in large part by the availability of the FireWire connection. Not all have them any more. [email protected]#S^$% I think the assumption is that for Mac users, price is no object, so...