How is sound communicated from one person to another
1. How is sound communicated from one person to another? Vibrations created in vocal cords travel out of the mouth and disturb the air around us.
5. What is the minimum frequency a human’s eardrum is able to perceive? 20Hz
6. What is the maximum frequency a human’s eardrum is able to perceive? 20,000Hz
14. What is the decibel used in telecommunications to measure signal strength? To ensure that the circuits, equipment, and network perform as designed.
18. What is the electromagnetic spectrum? The electromagnetic spectrum describes all the wavelengths of light.
19. To what frequencies within the spectrum do voice signal belong? Lasers
20. Why are standards so important to the telecommunication industry? Standards have been, and continue to be, initiated to ensure that the hundreds of communications carrier network can interconnect in Cary user information transparently around the network
5. What is the minimum frequency a human’s eardrum is able to perceive? 20Hz
6. What is the maximum frequency a human’s eardrum is able to perceive? 20,000Hz
14. What is the decibel used in telecommunications to measure signal strength? To ensure that the circuits, equipment, and network perform as designed.
18. What is the electromagnetic spectrum? The electromagnetic spectrum describes all the wavelengths of light.
19. To what frequencies within the spectrum do voice signal belong? Lasers
20. Why are standards so important to the telecommunication industry? Standards have been, and continue to be, initiated to ensure that the hundreds of communications carrier network can interconnect in Cary user information transparently around the network