Better targeting through audio and image recognition could also improve the click-through rate of videos, or how often an ad is clicked for every time it appears.
Sound Trail users are able to navigate a map of the cemetery, in Church Row, and click on individual gravestones for an audio commentary about the lives of the people buried beneath the headstones.
Specifically tailored for Tiki's functionality, iZotope's Adaptive Noise Reduction (ANR) analyzes the incoming audio stream to detect and suppress undesired background noise, while Key Click Reduction (KCR) is specially developed to reduce typing noises by "grabbing" rapid rise sounds such as keyboard clicks.