There are several reasons that your office can be noisy, such as talkative people, noisy machines and too much echo. People who talk too loudly can be told to shut up (politely, of course) and noisy machines can be replaced with quieter ones. But what can you do with the echo? If you walk into an empty room and start talking, your magnified voice will echo from every wall. The reason is that there is nothing to absorb the sound.