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.
Press the Recording tab and locate the icon of your microphone. Highlight the microphone and click on the Set as Default button. Press Apply, then OK.. Open your Nintendo DS emulator and navigate to the portion of the game where you blow into the microphone.