Methods, apparatus and articles of manufacture for research data gathering are disclosed. Example apparatus disclosed herein to recover a code from media include memory including computer readable instructions, and a processor to execute the instructions to at least process the media based on a sample corresponding to a first window of time to determine whether the code is recoverable from the media using the first window of time, and in response to determining that the code is not recoverable from the media using the first window of time, process the media again based on a sample corresponding to a second window of time larger than the first window of time to recover the code from the media.