Noise

Audio / Video signal noise

Degradation in audio and video signals can reduce the overall quality of the audio and video. Often noise in audio and video is caused by one or more of the below connection related issues.

1. Verify all your connections are properly connected.
2. If you have more than wire used for audio / video and/or have other cords / cables used for other devices make sure they are separated. Cables with poor shielding can cause noise in any close wiring.
3. Try replacing cables.

Electrical signal noise

Electrical or power noise can cause disruption in power causing devices to temporarily or permanently fail.

• To help protect against power spikes, surges, and other line noise have all your electrical equipment connected to a surge protector.
• To protect your devices from failing in the event of a power outage connect your equipment to a UPS.

Wireless signal noise

Wireless noise or poor connection is often caused by one or more of the below listed causes.

• Receiver blocked - If the antenna is not setup properly or wireless receiver is blocked it can cause noise.
• Out of range - As you get further away from the receiver your signal decreases and can cause noise or lost connection
• Other wireless interference - If other wireless devices are around your location these other signals can disrupt your connection.
• Lower power - If the batteries are failing on the wireless device it can degrade how much of the signal is being received.

2. Noise can also refer to an audible sound that can be heard.

• See document CH000302 if you're computer is making strange noises.

Also see: Sound definitions, White noise