I have been taking each of my Mandarin lessons i’ve recorded into Garageband to add chapter markers so I can listen to it on my iPod and skip between the topics. It’s really cool.
As for the actual recordings I noticed i have some bad background noise in my recordings from the Putonghua class I have – air conditioners and hiss etc..
I’ve found a few tools that seem to be getting a bit of a result. “Speech enhancer” & “AUGraphicEQ”
Speech Enhancer is some sort of noise filter – not a lot of buttons to push – but I will experiment a little more
AUGraphicEQ – there is a fair amount of low frequency rumble and high frequency hiss – this seems to have knocked that back a lot – but i am losing a bit – once again i’ll experiment a little more.
In my travels to find a way to get rid of it I found this good article on some audio basics for Garageband / recording / mixing
“Giles Turnbull has already written an introduction to the basics of GarageBand, for those who have recently joined the world of digital recording. In this article, Iâ€™ll assume that youâ€™ve already recorded your tracks, and/or used the pre-recorded loops, to assemble the basic parts of your song.”