MICROPHONISM DETECTION AND REMEDIATION By: Don McClatchie Many dictionaries define Microphonism as “the effect of unwanted modulation that is produced mechanically in an electronic circuit”. Others know it as that annoying noise that a piece of electronic equipment makes when it is bumped or tapped on. The
F M SYSTEMS, INC. announces a new concept in audio volume measurement. The AVM Audio Volume Meter is a digital, hand-held battery operated, true RMS audio volume meter calibrated in dBm at 600 ohms. Steady digital meter readings are obtained by storing and
The standard for audio was born out of the radio industries need to set a standard, and has always been related to 600 Ohms impedance with the level measured in dBm which refers to Decibel milli-Watts of power delivered to the "load". One milli-Watt =
In the transmission of FM modulation there is more noise at the higher audio frequencies than there is at the lower audio frequencies. To compensate for this unbalance and make the noise more uniform over the audio spectrum, the Broadcasting industry developed some standards for
