I think it was in the credits of one of the Little Feat albums, where the band thanked his mother for having a such a" curious and inventive " son or something like that. Many people thought Dolby noise reduction killed the high end on cassette decks and Dolby did listening tests to prove them wrong. Ray Dolby was a giant in the A/V world and his inventions will continue to enhance the lives of countless others for years to come. Originally Posted by drluv1