In February 2010, iBiquity released a paper on techniques for measuring the quality of IBOC transmissions. A quality-metric known as MER (Modulation Error Ratio) was ...

As a broadcast engineer who has been involved with both FM and AM IBOC in the field, I feel compelled to add my voice to the ruckus about HD Radio. HD-R for AM is both different and the same as HD-R ...

There are two radio modulation schemes everyone should know. Amplitude modulation changes the amplitude — or ‘volume’, if you will — of a carrier frequency and turns all radio into channels owned and ...

Inovonics’ fourth generation “541” FM Modulation Monitor is now shipping to customers. What makes it noteworthy compared to previous versions of the product? The new all-digital 541 combines detailed ...