# QA403 feature request

**URL:** <https://forum.quantasylum.com/t/qa403-feature-request/1427>\
**Category:** QA40x\
**Created:** [June 10, 2024, 10:36am UTC](https://forum.quantasylum.com/t/qa403-feature-request/1427 "2024-06-10T10:36:35Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![Claudio](https://avatars.discourse-cdn.com/v4/letter/c/7cd45c/32.png) [@Claudio](https://forum.quantasylum.com/u/Claudio)\
**Post date:** [June 26, 2024, 8:46am UTC](https://forum.quantasylum.com/t/qa403-feature-request/1427/14 "2024-06-26T08:46:03Z")

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Yes of course, but that is a value relative to the signal S. In other words : THD= D/S and using dB expressions THD = D - S. What I was asking for was a tile of just the value of D and not its value relative to S (THD). It is a little like THD+N and N+D. THD+N is the component relative to the S signal of N+D. Of course, this is just a requirement of mine that perhaps no one cares about! 😃

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