9 Embedded computer software to enhance the perception of low frequency audio signals through audio loudspeakers sold as a component of television sets, powered audio speakers, tablet computers, mobile computing devices being mobile computers, audio-visual devices in the nature of electronic devices for recording, storage, transmission or reporduction of visual and audio content, audio-visual receivers, personal computers, and computer display monitors and audio speakers for computer display monitors; Embedded computer software for measuring, analyzing, controlling, and processing audio signals sold as a component of television sets, powered audio speakers, tablet computers, mobile computing devices being mobile computers, audio-visual devices in the nature of electronic devices for recording, storage, transmission or reporduction of visual and audio content, audio-visual receivers, personal computers, and computer display monitors and audio speakers for computer display monitors; Pre-installed computer software to enhance the perception of low frequency audio signals through audio loudspeakers sold as a component of television sets, powered audio speakers, tablet computers, mobile computing devices being mobile computers, audio-visual devices in the nature of electronic devices for recording, storage, transmission or reporduction of visual and audio content, audio-visual receivers, personal computers, and computer display monitors and audio speakers for computer display monitors; Pre-installed computer software for measuring, analyzing, controlling, and processing audio signals sold as a component of television sets, powered audio speakers, tablet computers, mobile computing devices being mobile computers, audio-visual devices in the nature of electronic devices for recording, storage, transmission or reporduction of visual and audio content, audio-visual receivers, personal computers, and computer display monitors and audio speakers for computer display monitors;