Function USBAudioSetFrequency

USBAudioSetFrequency selects a frequency (sampling rate) for an Audio function:

int USBAudioSetFrequency(int AudioID, UINT Frequency);

Parameters

AudioID

Audio ID value previously returned by function USBAudioGetInfo.

Frequency

Desired new sampling rate in Hertz.

return value

The newly selected frequency of the specified device in Hertz or a negative error code in case of an error.

Please note that USB Audio devices are allowed to round the specified value to the nearest supported value. Thus, even when this function succeeds, the returned value is not guaranteed to be identical with parameter Frequency.

Function USBAudioGetFrequency

Down Function USBAudioGetFeature