The use of rolling shutter to increase effective sampling rate was present in the original SIGGRAPH 2014 Davis et al paper from Bill Freeman’s group at MIT, “Th

The use of rolling shutter to increase effective sampling rate was present in the original SIGGRAPH 2014 Davis et al paper from Bill Freeman’s group at MIT, “The Visual Microphone: Passive Recovery of Sound from Video” (https://dspace.mit.edu/handle/1721.1/100023 https://dspace.mit.edu/handle/1721.1/100023). The authors of the current paper cite this and other prior work. The key innovation is the use of both a rolling shutter and a global shutter reference.