It is intended to provide a hearing aid adapted to primarily listen to a desired sound when a person suffering from some impairment in hearing ability makes conversation to others or in watching television. The available sensor and engagement assets, their capabilities and possible locations are identified. Also integrated are a means to sense when the cell phone moves relative to the image on the remote surface and to offset said relative movement through a means for stabilizing the image. 1 dB of average net coding gain, i. The selector pin and car mechanism features a selector pin which is not removable from the car and is inserted through the car which is contained by the track and or plate body shape and into a throughbore in the weight plate in order to engage with the selector stem.