On my mac it says all is built in there is no usb audio device or microphone array usb any where as of built in … so when i record all i get is background noise nothing off cassette player any ideas ???
If you are trying to record from a USB cassette player, please try following these steps: http://wiki.audacityteam.org/wiki/User:BillWharrie/OSX_and_USB_input_devices .
Gale