cutting out hissing on tapes

[italianjunkie]

right i use goldwave to convert my old tapes to mp3 format
how do i cut out the hissing and general badness on the tape?
do i need to do it b4 i press record?
any help very welcome

[coggledots]

http://www.oldskoolanthemz.com/forum...iss-sound.html