Matching the audio to different camera angles (I am a beginner.)

Before I take the video I have in mind, here is a question:
While the person is speaking, I want to take shots of the back of his head, the side of his head, etc, while he is talking. I do not want the viewer to see the movement traveling round his head, though! I want to do it the way you so often see on tv and in movies: two people talking, and the camera is behind the head of the one talking so that one can see with whom he is talking. Then the camera view changes and you are looking straight at the speaker and seeing the back of the head of the person being spoken to. Different angles, but with the audio flowing smoothly.
I see that it is a matter of the audio moving smoothly, whereas the video can be cut anywhere. I see that it's not just a matter of separating audio from video, because when there is audio, it has to match the mouthof the speaker.
But HOW do I get the audio to smoothly progress while I edit out the video clips? I have iMovie '06. Is it an easy thing to just separate the audio from the video and edit out the video? Since I have only one camcorder, a Sony digital video camera recorder DCR-TRV 11, does this mean that I have to shoot extra non verbal footage?
HOW DO I GET A VARIETY OF CAMERA VIEWS WHILE AT THE SAME TIME COORDINATING THE AUDIO/VOICE?
Thank you.
Lorna in Southern California

I have thought about this and have decided that since I am at rank beginner stage, the Grasshopper stage, I might be wise to move keep editing to a minimal. I see this as meaning that sometimes as the speaker is speaking, the viewer will see the Sony digital video camera recorder DCR-TRV 11 moving around, going to another spot, rather than eliminating the process of the movement and editing out the movement.
Of course, if the actor is not speaking, then I will feel free to stop recording, move to another angle, and then start the camcorder again.
Technique wise, that is possible, right? It seems to me that this is how most beginners start out. I don't see myself using TWO camcorders at any point. though. I see that as something that more advanced moviemakers do, when the video is more than just a home thing to be shared on a website.
I am beginning to acquire a great fascination for this art and this technique both.
Lorna in Southern California

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