Profile: Research Applications, Inc. specializes in product design and manufacturing services. Audio Rider™ audio management system is used in cable television stations to automatically control the sound volume of all programs sent out over the cable to subscribers. Program volume was made consistent from channel to channel and from program to commercial. Unusually loud programs or commercials were significantly quieted, and volume-too-low programs were made louder. In the middle range, spoken conversation was made the same volume on all channels.