I understand that there is a the Timbre but I don't really understand how can I use it to differ them from each other and actually don't understand what is a Timbre, is it a graph? Is it a number that I can calculate? How do I describe it? Because I need to write a python code that recognizes which instrument is played and I am kind of stuck.. thanks !
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$\begingroup$ Is it a busy mix of polyphonic instruments? Or a clean, monophonic transcribed recording? $\endgroup$– Knut IngeCommented Mar 4, 2022 at 13:34
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A good starting point is to use timbral_models to extract timbral characteristics.
The current distribution contains python scripts for ... eight timbral characteristics: hardness, depth, brightness, roughness, warmth, sharpness, booming, and reverberation.
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$\begingroup$ geez, instead of just GitHub, i wish there was a paper with math describing all 8 timbre measures. $\endgroup$ Commented Feb 3, 2022 at 9:57
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$\begingroup$ @robertbristow-johnson I am not an expert on the subject so maybe I am unable to judge quality of any paper. A good starting point is to check the audio commons materials, e.g. D5.1. Or for a reference from the academic literature, the open access paper Timbral attributes for sound effect library searching from 2017. Also, the question explicitly tags python. $\endgroup$– BobCommented Feb 3, 2022 at 11:31