how to add sound in video with.avi extention in c#.net -

I am developing a project on videowatmarking using c # .net. I am creating a video from the .bmp file.

I am able to create video using the AV manager in the .avi extension, but is not able to add sound, the video is made without sound ... .wav extensions listen to the sound

Take a look at this, it can be helpful for you: