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She discovered that her old university email address allowed her to apply for an educational license from Odeon’s partner, B&K (Brüel & Kjær) . It wasn't free, but it was 90% off the $5,000 commercial price. For $500, she could get the full "Combined Room Acoustics" suite for one year. That was cheaper than one decent microphone. (by CSTB) – A free open-source tool for
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