1. A computer-implemented method, the computer-implemented method comprising: under control of one or more computing devices configured with specific computer-executable instructions, obtaining audio data comprising speech; transcribing the speech to generate a transcription, the transcription comprising a first word corresponding to a first portion of the speech and a second word corresponding to a second portion of the speech; determining a time interval between the first portion of the speech and the second portion of the speech; selecting a modification for the transcription, wherein the modification is selected based at least in part on the time interval between the first portion of the speech and the second portion of the speech; and applying the modification to the transcription to generated a filtered transcription.