Career
He is credited with the initial invention of the digital audio player, in 1979. In 1981 Kramer filed for a United Kingdom patent for his newly conceived Digital Audio Player, the IXI. United Kingdom patent 2115996 was issued in 1985, and United States. Patent 4,667,088 was issued in 1987. The player was the size of a cr card with a small liquid crystal display screen and navigation and volume buttons and would have held data of at least 8 Bachelor of Medicine of solid state bubble memory chip with a capacity of 3.5 minutes worth of audio.
Plans were made for a 10-minute stereo memory card and the system was at one time fitted with a hard drive enabling over an hour of recorded digital music
His first investor was Sir Paul McCartney, later Kramer set up a company to promote IXI and five working prototypes were produced with 16 bit sampling at 44.1 kilohertz with the pre-production prototype being unveiled at the APRS Audio/Visual trade exhibition in October 1986. In a 2004 interview with The Guardian, Kramer stated that the company at the time had "orders worth £60,000,000" (value at current day) for the device from the recording industry.
However, in 1988 a boardroom dispute within Kramer"s company and the subsequent failure to raise the £60,000 required to renew the patent resulted in the patent lapsing and entering the public domain, however he is still the owner of the designs. Kramer is still at work in the technology sector.
His most recent project, called "Monicall" functions as a dial in service that would make phone call conversations legally binding.
Kramer is the Chairman of the British Inventors Society and Organiser of the British Invention Show & World Invention Awards. He acts as technology advisor to International Clean Energy Circle (Imperial Chemical Industries) www.icecircle.org, is launching a new range of audio equipment www.ixi1.com and acts as technology and design consultant to some of the world"s largest corporations.
