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"Thank you very much for the prompt service and above all the excellence in which the transfers were made. You accomplished what I thought might be impossible; transferring recordings made back in the 1940's on home made equipment to a CD. We can now hear and enjoy the voices/music that was such a large part of our lives 60+ years ago. ..."

Dispersion

The splitting of a complex sound wave into its various frequency components, as the sound wave passes from one medium to another.