XROUND

[ Loudspeaker; ] Headphones; Sound card; Surround sound processor; Audio signal processor; [ Digital audio synthesizer being electronic devices that generate a range of frequencies from a single fixed timebase or oscillator; ] Computer software for Sound Processing; Downloadable Computer application software for Sound Processing; [ Integrated circuits; Semiconductor component; Semiconductor chip; Microprocessors; ] Electronic circuit; Micro circuit [ ; Central processing units; Sound frequency response tester; Sound Equalizer; Amplifiers; Sound level meter; Signal to noise contrast meter ]