1. A method of tuning a speech recognizer, the method comprising: playing a selected portion of a digital audio data file with a digital audio player; creating and/or modifying a digital transcript of the selected audio portion; displaying information associated with a decode of the selected audio portion on an electronic display, wherein the displayed information includes a menu of selectable noise tags for identifying noise events in the transcript; receiving an input selected from the displayed menu, the input identifying at least one noise event in the transcript; modifying, by a computing device, the transcript based on the input; and utilizing the modified transcript to improve the performance of the speech recognizer.