9. The system of claim 1 , wherein the hearing assistance processor is configured to derive metadata or parameters for the audio data and determine, for the audio data, a recognition index as an estimation of accuracy using the metadata or the parameters.
9. The system of claim 1 , wherein the hearing assistance processor is configured to derive metadata or parameters for the audio data and determine, for the audio data, a recognition index as an estimation of accuracy using the metadata or the parameters. 10. The system of claim 9 , wherein the hearing assistance processor is configured to compare the recognition index to a threshold and transmit a feedback notification to the hearing assistance application for display on the display screen of the mobile device.