Loose or faulty connections can cause your cable box to malfunction, resulting in a humming noise. Don't let buzz, hum, or hiss ruin your A/V experience. So you just unboxed your new entertainment gear, hooked everything up, and you hear buzz, whine, hiss, chatter, or any number of other annoying noises that have. And, you'll learn to avoid being in the middle of a hot live show when your bass player's rig suddenly starts blasting out the annoying sound of a cell phone trying desperately to connect with a tower. Where Is The Noise In My Rig Coming From? Strictly speaking, pretty much all that buzzing. One of the most common causes of a humming cable box is overheating. Modern cable boxes are compact devices with powerful processors, which can generate a significant amount of heat. If your cable box is not properly ventilated or is located in a hot environment, it can cause the internal. Static sound—the hiss, crackle, or buzz from speakers—is a common issue in home electronics and audio systems. Identifying the specific cause can seem. What kind of audible noise problems can be caused by an audio cable? Audio system performance will be degraded due to any undesirable and interfering voltage (developed within or external to the audio system) which evidences itself as "electrical noise". The badly hissing sound coming from.