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MYSTERY OF THE EAR FINALLY UNRAVELLED 07/06/2006 GadIdeas, an Oxfordshire-based research company, announces the development of new signal processing techniques set to revolutionise our understanding of sensory perception. GSP is a breakthrough patent pending technology that can, for the first time, accurately discriminate the frequency and phase of the sinusoidal components of any given signal. Our research indicates that this is exactly how the human ear interprets sound; something we've long struggled to understand. GSP is set to replace the Fast Fourier Transform, a technique that is currently used in all areas of signal processing, but which has known limitations. Martin Simpson BEng., CTO of GadIdeas (www.gadideas.com), was drawn to the development of GSP after puzzling for many years over the final hurdle of aural perception 'How does the ear really work?'. So much published research seems to stop short of the explanation of the ear’s remarkable ability to distinguish sounds with speed and clarity. Applying his background of medical electronics, a degree in electrical and electronic engineering, and a career in audio software development and audio engineering, he hit on an idea which gave him a Eureka moment that started his research. Turning the idea into a tangible signal processing system he demonstrated that his idea could be the start of something big, and what is exciting is that with help he has produced an analytical tool with applications far beyond those of human aural perception. “It is so fast and so efficient that it could be the system that has evolved in nature” is his outrageous claim. Jon Stuart, CEO of Manic Media Productions (MMP), is another member of the GadIdeas team. Applying MMP's background of 3D visualisation in games, CAD and 3D mapping, he has used the underlying technology to develop a stunning real time, 3D coloured visualisation, plotting a scrolling 3D landscape of amplitude and frequency against time. Anything that is being listened to on a computer is analysed. This allows anyone to “see” for the first time sounds as they are being heard, in the same way the brain does, to resolutions not seen before, even down to the individual sine waves in any signal. The user can fly around this amazing 3D landscape, zooming in to any areas of interest. Certainly, any one of the privileged few who have so far seen the visual representations of the system has been astonished by the clarity and speed of the resolution of all forms of sound input and of the versatility of the visual presentation. From music to speech, to animal sounds (dolphins are interesting!), heart beats, signals from space, earthquakes. The list is endless, and the results fascinating. For more information or to download the visualiser visit:-
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