How can I convert my old audio cassettes to mp3/digital?

I think they are Atrac!
How can I convert them to mp3 or digital? ty!
Answer #1
Just plug the audio player line out into the sound card line-in.
There are loads of programs which convert the audio line-in to .mp3, (or.wav)
Here’s a few:
http://www.sound-recorder.com/
Answer #2
Thank you so much! This is excellent!
Answer #3
http://coolrecordedit.com/
http://www.alpinesoft.co.uk/VinylStudio/
Above does cassettes ……. there are a few cracked version about.