# Equal-loudness / Fletcher–Munson curves in Csound

**URL:** <https://forum.csound.com/t/equal-loudness-fletcher-munson-curves-in-csound/1676>\
**Category:** General\
**Created:** [May 20, 2024, 12:55pm UTC](https://forum.csound.com/t/equal-loudness-fletcher-munson-curves-in-csound/1676 "2024-05-20T12:55:06Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Cordelia](https://forum.csound.com/user_avatar/forum.csound.com/cordelia/32/279_2.png) [@Cordelia](https://forum.csound.com/u/Cordelia)\
**Post date:** [May 20, 2024, 12:55pm UTC](https://forum.csound.com/t/equal-loudness-fletcher-munson-curves-in-csound/1676/1 "2024-05-20T12:55:06Z")

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does anyone ever use equal-loudness implementation in coding a csound instrument? Have you some example?