looking for data on LINE IN of soundcards

[Yogi1]

hi i'm currently working on a telephone recording interface the computer and i'm desprately looking for data on the LINE IN of soundcards. to complete my project.

 

[MP1]

Here is a site with the same interest:

http://www.interstice.com/drewes/answer/

MP

 

[Yogi1]

;D
thank