Then again, technological innovations have made it possible to combine sound and visual monitoring. Although the video option seems like a brilliant idea, you still won't be able to stare at the screen all the time. For that reason, you definitely shouldn t sacrifice an excellent sound quality over supplementary features. Therefore, if you use the same channel for your baby monitor, you'll definitely encounter problems with the signal. 2. Adjust the channel. The majority of modern wireless devices allow the changing of channels in an attempt to fix interference issues. It may be as easy as sliding a switch or pushing a button. This way, you can change frequency bands every time you encounter interference problems. Of course, you also need to factor in the cost of buying a baby monitor. The high-end versions can cost as much as $300 dollars or more. These mobile baby monitors normally feature a video monitoring option that allows parents to keep a closer eye on their babies. EVPs pertain to sounds or voices that are allegedly coming from beyond the grave. In the world of the ghost hunters, EVPs are voice recordings that are sent by ghosts or souls that have not moved on. These are sometimes used to prove that there really is life after death. While some ghost hunters use sophisticated gadgets and devices to hunt down ghost phenomenon, there are those who use baby monitors. What are Baby Monitors? Baby monitors are devices, either audio or video, that can help you check up on your baby even if you are not physically present with him or her. This is most helpful to parents who need to be constantly on the go but still want to watch over their baby while doing other productive activities. This is the very reason why baby monitors have become very useful to many parents. These gadgets allow parents to monitor the baby s activities while they are not inside of the nursery or are working at a distance. What Is a Baby Monitor and How Does It Work? A baby monitor is a gadget set that has a transmitter and receiver, which sends either sound or video (depending on the type) for the parent to be able to supervise the activities of the baby while he or she is away.