An automated transcription service created by two recent college graduates will help the Cook County Public Defender’s Office make better use of its audio and video evidence.The service is a web application that transcribes audio and video files and allows the user to create time-stamped notes and easily edit the footage.Joel Simberg, trial technology division chief at the Cook County Public Defender’s Office, said the tool is a game changer for his office.“I still have to watch the video and listen to it …