Sound input levels can make a big difference of how the other part hears you, so try to take a few minutes in the beginning to adjust them.
Note that if you stand further away, you might need to speak a bit up to compensate for the distance.
On Mac:
You can adjust your input level for your built-in or external microphone by launching 'Settings', going to 'Sound' and under 'Input' drag the Input volume to the desired position or percentage.
On Windows 8 or 10:
- Move your mouse to the lower-right side of the screen to open the Windows Charms Bar menu, choose Settings, select Control Panel, and click on Hardware and Sound.
- Click on Sounds.
- Select the Recording tab
- Select the device with the green check mark, right click and select Properties. Note: if you are using an external microphone, then make sure it has the green check mark.
- Go to Levels and adjust the input level of the Microphone
On Windows 7
(full instructions here):
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Open Sound by clicking the Start button
, and then clicking Control Panel. In the search box, type sound, and then click Sound.
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Click the Recording tab, click Microphone, and then click Properties.
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Click the Levels tab and make sure the sound icon is not muted. If you see a red sign next to the blue speaker button, then click it to turn on sound for this connection, and then click Apply.
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You can change the line-in volume on the Levels tab. Select the slider under Line In, drag it right or left to increase or decrease the volume of your audio device, and then click OK.