Duaine & Laura Hechler wrote: > This may seem like a silly question but .... > > At least Cybertuner has stretch factors built-in. Do you aural tuners do > stretch factors? By listening, with interval checks - aurally. > How do you tune "pure" octaves with a "stretch" factor - this seems > oxymoronic. A "pure" octave *is* stretched at the fundamental, even with no discernible beat because you aren't aurally comparing fundamentals. You're comparing 1:2, 4:2, or 6:3 partials to determine stretch. All sound acceptably pure, and each is stretched to a different degree. Ron N
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