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mind:normalize_key [2016/07/08 16:18]
norkish
mind:normalize_key [2016/08/08 14:49] (current)
norkish
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 =Key normalization= =Key normalization=
  
-Three ideas:+A few ideas:
 * Use music theory to minimize accidentals (as proposed [https://​www.ultimate-guitar.com/​lessons/​for_beginners/​how_to_know_which_key_a_song_is_in.html here]) * Use music theory to minimize accidentals (as proposed [https://​www.ultimate-guitar.com/​lessons/​for_beginners/​how_to_know_which_key_a_song_is_in.html here])
 ** This seems to work about 90% of the time ** This seems to work about 90% of the time
 ** That's what [http://​musictheorysite.com/​namethatkey this] site does and [https://​www.youtube.com/​watch?​v=G6bD1qJxRow this guy] explains ** That's what [http://​musictheorysite.com/​namethatkey this] site does and [https://​www.youtube.com/​watch?​v=G6bD1qJxRow this guy] explains
 +* Use music theory to maximize non-accidentals
 +* Use music theory to maximize non-accidentals weighted by their prominence in the key (e.g., I weighted highest, IV and V weighted next-highest)
 +** Learn weights from data
 +* Use music theory to minimize accidentals weighted by their prominence in the key (e.g., bVII weighted lowest, bVI weighted higher)
 +** Learn weights from data
 * Use music theory to minimize accidentals to get candidates and then use music theory to choose intelligently from candidates * Use music theory to minimize accidentals to get candidates and then use music theory to choose intelligently from candidates
 +* Use music theory to maximize non-accidentals to get candidates and then use music theory to choose intelligently from candidates
 * Use neural network * Use neural network
 * Use HMM * Use HMM
 +
 +Interesting ear training and other techniques and sites:
 +
 +*[http://​www.hearandplay.com/​main/​the-minor-chord-test-to-finding-the-key-of-any-song Minor chord test]
 +*[http://​ask.metafilter.com/​101348/​determine-key-from-chords Forum] about this exact question
 +*[https://​www.guitarlessonworld.com/​lessons/​determining-the-key/​ Lesson on key from chord progressions] which uses the music theory to minimize accidentals
 +* [http://​www.wikihow.com/​Work-Out-Which-Key-You'​re-In Wikihow] focuses on key signature, humming, and just practicing]
 +
 +It's crazy how everyone essentially agrees there is a way to do it, but it always comes down to how it "​feels";​ is it "​finished"?​ Where it "​lands"​. And other ambiguous phrases. ​
mind/normalize_key.1468016323.txt.gz ยท Last modified: 2016/07/08 16:18 by norkish
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