MathsChelsea
Region: GB
Wednesday 15 April 2026 15:38:35 GMT
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bbbk :
I hate fourier transform I hate laplace transform I HATE transforms
2026-05-10 08:55:30
42
Élodie743 :
the fact that I instantly recognize this formula scares me sometime 😅
2026-04-15 16:14:44
45
Abdalla :
Ah with ou mentioning it i said what we doing Furrier transform now😂😂
2026-06-14 13:23:36
0
Olly :
Is this also how the app Shazam works
2026-04-15 16:40:31
24
Manuel_noir :
Amazing. Sounded confusing at first but your teaching style and analogy was absolutely amazing
2026-06-13 18:53:33
0
𝕯𝖗 𝕽𝖆𝖛𝖊𝖑 :
you need the discrete time version. we don't use the continuous time one as the signals are sampled. the FFT is the most common way. same idea though
2026-06-11 05:24:06
0
eric20omg20 :
Would this have worked on the Arrival ink rings
2026-05-09 19:42:54
1
Tessa | psychic medium :
Why didn’t my calc 2 professor explain it like this 😭
2026-04-15 17:33:56
2
Jords :
made my day hearing this, I'd just been reading about exactly this the other day when researching Shazam!
2026-04-15 17:44:56
4
Ashaari Ahmad :
so it basically convert 2d chart into 2d aerial form
2026-06-01 01:40:53
1
highdeserthunny :
That fact that I know how to solve this, brought my confidence up 💗
2026-05-06 15:40:42
1
Lexxie Black :
Rockeh x3
2026-04-16 00:21:51
4
clement20085 :
What 😭😭😭
2026-06-07 02:09:18
0
mutaz :
Why are these constellation maps better to use to distinguish different words? Are these initial amplitude vs time graphs not precise enough? What even IS pure frequencies and why would they not be visible in the initial graphs?
2026-04-17 00:37:41
1
mba0v3r :
Amaze!Amaze!
2026-04-15 16:21:17
4
Boochi :
“Bunch them together” is exactly where the core maths abstraction were buried 😂
2026-04-15 21:41:16
2
user993438807290 :
I’m confused, how do you then compare 2 ‘constellation maps’ to get like a similarity score to know what sound in the library is closest to
2026-04-16 01:25:23
1
BmB 👑 ✝ ⚔️ :
okay , if you say so
2026-06-13 19:14:20
0
Chulu700 :
Fascinating 🤔
2026-04-15 18:18:25
1
yvonnetucker25362 :
Shazam 🤯
2026-04-16 08:46:54
0
SPI :
beautiful
2026-06-01 18:10:49
0
user2501725663865 :
Great to see youse back 🥰
2026-06-04 01:34:29
0
user1726409858356 :
has this been used on bird song?
2026-05-04 20:32:00
0
Ha Ni :
but we don't actually manually calculate the Fourier transform but we use one of the most beautiful algorithms in math called the fast Fourier transform
2026-05-29 20:55:15
0
user507612 :
You do wavelets next
2026-05-01 21:12:43
0
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