accessing bit of a audio file wav or mp3

[pankajs]

hello! i m developing a program "audio steganography" which hides a text message in a audio file like wav or mp3. i want to access bits of this audio sample of this file. how can i do it??

[MarkoKlacar]

Hi,

Interesting project! Do you know how to access the files first of?
What bit are you using to hide your message?

/MK

[pankajs]

what do u mean by accessing a file.do u mean inputfilestream (file)?

[pankajs]

i m using 4th lsb bit modification method