I have a dual cassette player I wanted to transfer some audio speaking tapes and music tapes to my PC then record to a CD. or DVD.

Would the audio format be a .MP3?

Would I need a special Sound card in my PCI slot for the RCA cords,or adapter from RCA to 1/8" (to sound card).

This Cassette player also has a Receiver that plugs into it..Could I only use the cassette player w/o the reciever..in other words, will the sound from the cassette player go directly into the PC without the help of the receiver?
Or do I need the reciever to play with the audio treble, bass, balance?
I have four inputs on Sound card which is a C-Media CMI8738/C3DX PCI
Audio Device.....
...a Line-in,(using my speakers) Line out, Mic-in, and one more I can't read on the card.

Thanks for any help!