|deviceName||The name of the device.|
|minFreq||Returns the minimum sampling frequency of the device.|
|maxFreq||Returns the maximum sampling frequency of the device.|
Get the frequency capabilities of a device.
Passing null or an empty string for the device name will select the default device. You can use the devices property to get a list of all available microphones.
When a value of zero is returned in the minFreq and maxFreq parameters, this indicates that the device supports any frequency.