12. The method of claim 11 , wherein the converting comprises converting the image pattern to a first text comprising the detected first telephone number, and further comprising: converting, by the processing system, the audio component of the media content to a second text; detecting, by the processing system, the second telephone number in the second text; and comparing, by the processing system, the first text with the second text to determine whether the first telephone number matches the second telephone number.
12. The method of claim 11 , wherein the converting comprises converting the image pattern to a first text comprising the detected first telephone number, and further comprising: converting, by the processing system, the audio component of the media content to a second text; detecting, by the processing system, the second telephone number in the second text; and comparing, by the processing system, the first text with the second text to determine whether the first telephone number matches the second telephone number. 13. The method of claim 12 , further comprising buffering, by the processing system, a portion of the audio component to generate a buffered portion, and wherein the converting the audio component comprises converting the buffered portion.