computer programs for recording and reproducing audio signals without distorting or varying original sound pitch during playback at varying higher or lower speeds which are different from normal playback speed; prerecorded CD-ROM's, CVD's, DVD's, containing various multimedia, entertainment, and educational content capable of reproducing audio signals at varying higher or lower speeds which are different from normal playback speed; sound modifying apparatus, namely, audio signal and video image recording and reproducing devices for recording and reproducing audio signals without distorting or varying original sound pitch during playback at varying higher or lower speeds which are different from normal playback speed
Electrical and Scientific Apparatus