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Fix in formula for creating frequency from MIDI note #348

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Merged
merged 1 commit into from
Jul 12, 2024

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x-1xps
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@x-1xps x-1xps commented Jul 11, 2024

The stated formula for converting midi-notes to frequency is wrong – the base and exponent of the second factor should be interchanged

The stated formula for converting midi-notes to frequency is wrong – the base and exponent of the second factor should be interchanged
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CLAassistant commented Jul 11, 2024

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add more context to the title of the PR. the current title doesn't make sense in the context of the whole Renesas platform repo

@aentinger aentinger changed the title Formula correction Fix in formula for creating frequency from MIDI note Jul 12, 2024
@per1234 per1234 added type: imperfection Perceived defect in any part of project topic: documentation Related to documentation for the project labels Jul 12, 2024
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The equation is correct as written:

https://en.wikipedia.org/wiki/Piano_key_frequencies

@per1234 per1234 closed this Jul 12, 2024
@per1234 per1234 added the conclusion: invalid Issue/PR not valid label Jul 12, 2024
@per1234 per1234 self-assigned this Jul 12, 2024
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x-1xps commented Jul 12, 2024

@per1234 please check again.. my correction reflects the formula stated in the wikipedia article. The formula in the current file does not.

@per1234 per1234 reopened this Jul 12, 2024
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Thanks for the fix @x-1xps

@per1234 per1234 merged commit 0af3cba into arduino:main Jul 12, 2024
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@per1234 per1234 removed the conclusion: invalid Issue/PR not valid label Jul 12, 2024
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4 participants