Humans can observe what and where something happens around them with their hearing, as long as sound frequencies lie between 20 Hz and 20 000 Hz. Researchers have now developed a new audio technique ...

What you hear on a daily basis has the ability to influence your subconscious mind, positively or negatively. A sound frequency can have a big impact on the state of your mind and body. Then, there ...

Carrier synchronization, Mark Persons writes, can be applied to alleviate co-channel interference between two AM radio ...

The author is a broadcast contract engineer who has a unique way of measuring the carrier frequency of the AM stations in his care. Making off-air frequency measurements of AM broadcast stations can ...

All audio systems, including those installed in , SUVs, and trucks are engineered to handle specific ranges of sound frequencies. These range differences explain why some speakers have slightly ...