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tuning information

tools

three sine tones frequency generator download application (currently available for Mac)

online strobe tuner

sonic research strobe tuner

peterson strobe tuners

tanpura mp3s

Tontechnik-Rechner: frequency conversion to cents, etc.

Marc Sabat's 31-Limit Helmholtz-Ellis Calculator (max msp application, under "writing")

Robin Hayward's Tuning Vine