Girder can change the levels and mute of the input and output devices on your Windows Vista and up computer. It can also set the default audio device on Windows 7 and Windows Vista.
Set Volume
Volume channels accept a value between 0 and 100.
Increase Volume
Volume channels are changed by the value given. (0-100)
Decrease Volume
Volume Channels are decreased by the value given. (0-100)
Mute / Unmute / Toggle
Control the mute state of the audio channel.
Set default audio device
When selecting and audio device this allows you to set the default audio device.