The basic way to calculate your maximum heart rate is to subtract your age from 220. For example, if you're 45 years old, subtract 45 from 220 to get a maximum heart rate of 175.
If you have an eighth-inch jack, all you've got to do is plug it into this port and start testing sound. 1  If you have a USB jack on the end of your microphone, most computers will have two or more USB ports on the side, or the back of the computer. 2  Simply plug the USB jack into one of these ports.
Obtain an audio cable if necessary. Some computers and high-definition TVs can connect to the TV's audio and video with a single cable, while most require separate audio and video cables. 1  If your PC is equipped with an HDMI port and an HDMI-enabled sound card, you don't need a separate audio cable; otherwise, you do.. Connect the video cable to your PC and TV's video ports. Remember to attach any adapters you may need in order to establish a connection from your PC to your TV. 1  Since both PCs and TVs differ significantly across the board, there's no typical setup.