you can do it by going to the batch converter and look for the tab
called, process. you can then add effects and change them to your
liking. It's in a tree view which is accessible and then I think it
gives you the standard dialogues for changing the parameters. hth
Dave C. Bahr
On 1/23/2012
Hello.
When I load a single mp3 file in Gold Wave, then go to effects-> frequency->
equalizer and select any of the presets such as bass boost or reduce treble,
then I'm able to change the decibel change for each of the frequencies
presented there and change the original song according to my cu