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Conceived and crafted by the GRM Group (Groupe de Recherches Musicales) of the famous National Audiovisual Institute of Paris (France), GRM Tools is the result of numerous years of research and development by renowned composers and sound designers around the world involved in sound transformation technologies. Evolution allows powerful and unexpected spectral and harmonic audio transformations such as morphing, evolving textures, original VOCODER type effects, time shifted filters, sliding timbers, noising, etc. Evolution can also be used as very subtle audio treatment effects in delicate processing situations. The limits are only those of your imagination!
Evolution Evolution is used to obtain continuous evolution of timbre by frequential sampling of the input signal. The timbre of the input signal is sampled at more or less regular intervals. The output signal is obtained by interpolation between the sampled timbres. Evolution can turn any audio signal into astonishing textures or subtle smoothing effects. Just experiment by yourself using the downloadable demo version and get surprising results! Fusion Fusion modifies a sound by playing on delays, filters offset and frequential sliding. The input signal is represented by a sonogram which moves from right to left. 8 player heads of variable size and orientation can be placed on the sonogram. The players capture the signal running below them, like player heads placed along a magnetic tape or placed at different locations on a vinyl disc. They behave like band-pass filters and combine delay, filtering, reinjection and glissando effects. Grinder Grinder is used to degrade a sound by freezing its frequential or time changes, and by modifying its spectral resolution. It also enables incredible vocoder effects. The input signal is transformed into a sum of sine components whose quantity, and change in frequency and amplitude can be controlled. By adjusting the amplitudes, effects of signal distortion, saturation and degradation can be obtained, particularly for small numbers of components. By adjusting the changes of frequencies, it is possible to obtain impressing VOCODER effects. An integrated file player enables the use of another signal as a frequency or amplitude signal.