5. The method of claim 1 , wherein playing and transcribing the media file occurs at the same time.
1. A method for notifying a user when a set of characters is identified in a media file, the method comprising: receiving a set of characters inputted by the user of a computing device; playing the media file; transcribing the media file to form a transcription; determining whether the transcription of the media file includes the set of characters; identifying a sub-segment in which the set of characters occurs, wherein the sub-segment is marked by a beginning time point and an ending time point within a segment; and initiating a notification prompt on a graphical user interface of the computing device in response to determining that the media file includes the set of characters.