Don't buy a DAW - you shouldn't need to. You should be able to do what you want in BIAB and RB. Did you use an ASIO driver? Can you describe the equipment you are using?

are you recording through an audio usb interface or plugging a mic straight into the pc?

i am worried that you might not solve a basic problem before you take the plunge and go for some other program like Reaper only to find you have the same problem.

you say you used to record your voice. what program and what equipment? you might have made a quantum leap in terms of what you are trying to do. we can help but more information would be helpful.

perhaps we're all too far ahead of ourselves suggesting solutions when the issue might be simple and basic