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Function USBAudioGetFrequency

USBAudioGetFrequency queries an Audio function for the currently selected frequency (sampling rate):

int USBAudioGetFrequency(int AudioID);

Parameters

AudioID

Audio ID value previously returned by function USBAudioGetInfo.

return value

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

Data sent or received to/from the audio function must use the frequency returned by this function. For audio functions which support more than one frequency, USBAudioSetFrequency can be used to select a different frequency.

Function USBAudioGetInfo

Function USBAudioSetFrequency