The respiration rate is the number of breaths a person takes per minute. The rate is usually measured when a person is at rest and simply involves counting the number of breaths for one minute by counting how many times the chest rises.Respiration rates may increase with fever, illness, and with other medical conditions.trength of the pulse. The normal pulse for healthy adults ranges from 60 to 100 beats per minute. The pulse rate may fluctuate and increase with exercise, illness, injury, and emotions. Females ages 12 and older, in general, tend to have faster heart rates than do males.
A: A wireless microphone works by using a wireless transmitter, which is incorporated into the microphone or attached to a body pack transmitter. The battery-operated wireless transmitter includes an antenna for broadcasting sounds.
Dynamic vs Condenser. A dynamic microphone uses a wire coil and a magnet to create the audio signal. The wire coil is attached to the diaphragm in order to receive its vibrations. A condenser microphone uses a capacitor to generate the audio signal.A capacitor is an electronic component that stores energy as an electrostatic field.ynamic microphones tend to be sturdier and less expensive than condenser microphones. They can take more of a beating than condenser microphones, which is why they are often used for stage mics in live performances, especially with very loud instruments and vocals.