The sound of the universe;)

[Fred vS]

And just for fun, the 13/4 sections in Have a Cigar.

And Eleven Four (11/4) from Dave Brubeck.

Re-about Sound of Universe.

There is a other one:
https://www.youtube.com/watch?v=H-Ci_YwfH04

Credit: NASA/Hubble/SYSTEM Sounds (Matt Russo/Andrew Santaguida)

Space becomes “sonified” in this visualization of a cluster of galaxies imaged by NASA's Hubble Space Telescope. Time flows left to right, and the frequency of sound changes from bottom to top, ranging from 30 to 1,000 hertz. Objects near the bottom of the image produce lower notes, while those near the top produce higher ones. Most of the visible specks are galaxies housing countless stars. A few individual stars shine brightly in the foreground. Stars and compact galaxies create short, clear tones, while sprawling spiral galaxies emit longer notes that change pitch. The higher density of galaxies near the center of the image — the heart of this galaxy cluster, known as RXC J0142.9+4438 — results in a swell of mid-range tones halfway through the video. Hubble's Advanced Camera for Surveys and Wide Field Camera 3 acquired this image on Aug. 13, 2018. 

Note imho the scanning vertically and linearly could be re-think, maybe radial, maybe with variable speed, ...

Interesting, very interesting...

[avra]

Note imho the scanning vertically and linearly could be re-think, maybe radial, maybe with variable speed, ...

Hearing is not linear. To simulate human perceptual scale of equal distant pitches, you need to use non-linear scales like these:
https://en.wikipedia.org/wiki/Mel_scale
https://en.wikipedia.org/wiki/Bark_scale

Here are the different scales frequency distribution examples of 400-4000 Hz frequency range divided into 32 steps:

Code: [Select]

Linear:
f1 = 400 Hz
f2 = 516.1290322580645 Hz
f3 = 632.258064516129 Hz
f4 = 748.3870967741935 Hz
f5 = 864.516129032258 Hz
f6 = 980.6451612903226 Hz
f7 = 1096.774193548387 Hz
f8 = 1212.9032258064517 Hz
f9 = 1329.032258064516 Hz
f10 = 1445.1612903225807 Hz
f11 = 1561.2903225806451 Hz
f12 = 1677.4193548387098 Hz
f13 = 1793.5483870967741 Hz
f14 = 1909.6774193548388 Hz
f15 = 2025.8064516129032 Hz
f16 = 2141.935483870968 Hz
f17 = 2258.064516129032 Hz
f18 = 2374.1935483870966 Hz
f19 = 2490.3225806451615 Hz
f20 = 2606.451612903226 Hz
f21 = 2722.5806451612902 Hz
f22 = 2838.7096774193546 Hz
f23 = 2954.8387096774195 Hz
f24 = 3070.967741935484 Hz
f25 = 3187.0967741935483 Hz
f26 = 3303.2258064516127 Hz
f27 = 3419.3548387096776 Hz
f28 = 3535.483870967742 Hz
f29 = 3651.6129032258063 Hz
f30 = 3767.7419354838707 Hz
f31 = 3883.8709677419356 Hz
f32 = 4000 Hz


Code: [Select]

Exponential:
f1 = 400 Hz
f2 = 430.8420224147077 Hz
f3 = 464.0621206959887 Hz
f4 = 499.8436565167948 Hz
f5 = 538.3841296621458 Hz
f6 = 579.8962681490527 Hz
f7 = 624.6092024001989 Hz
f8 = 672.7697299523479 Hz
f9 = 724.6436776801656 Hz
f10 = 780.5173690543854 Hz
f11 = 840.6992045329954 Hz
f12 = 905.5213638085793 Hz
f13 = 975.3416393075314 Hz
f14 = 1050.5454110613327 Hz
f15 = 1131.5477738503876 Hz
f16 = 1218.7958283614034 Hz
f17 = 1312.7711490045897 Hz
f18 = 1413.9924420120424 Hz
f19 = 1523.0184084889493 Hz
f20 = 1640.4508282205204 Hz
f21 = 1766.9378812560278 Hz
f22 = 1903.177725603764 Hz
f23 = 2049.9223507843735 Hz
f24 = 2207.9817285126283 Hz
f25 = 2378.2282834177563 Hz
f26 = 2561.601708478912 Hz
f27 = 2759.1141517550623 Hz
f28 = 2971.855803037979 Hz
f29 = 3201.0009112644198 Hz
f30 = 3447.814265901212 Hz
f31 = 3713.6581780778984 Hz
f32 = 4000 Hz


Code: [Select]

Mel:
f1 = 400 Hz
f2 = 452.7576508494782 Hz
f3 = 508.0456378109162 Hz
f4 = 565.9853196017013 Hz
f5 = 626.7038754854397 Hz
f6 = 690.3345844340855 Hz
f7 = 757.0171176791109 Hz
f8 = 826.8978452938638 Hz
f9 = 900.1301574800767 Hz
f10 = 976.874801263763 Hz
f11 = 1057.3002333395468 Hz
f12 = 1141.5829898379416 Hz
f13 = 1229.9080738272223 Hz
f14 = 1322.4693614004645 Hz
f15 = 1419.4700272391308 Hz
f16 = 1521.1229905873274 Hz
f17 = 1627.6513826156502 Hz
f18 = 1739.2890362005066 Hz
f19 = 1856.2809991939862 Hz
f20 = 1978.884072310924 Hz
f21 = 2107.3673728138415 Hz
f22 = 2242.0129252330503 Hz
f23 = 2383.1162804185933 Hz
f24 = 2530.987164282836 Hz
f25 = 2685.9501576577263 Hz
f26 = 2848.345408759038 Hz
f27 = 3018.5293798214557 Hz
f28 = 3196.8756295434077 Hz
f29 = 3383.775633059128 Hz
f30 = 3579.639641237802 Hz
f31 = 3784.8975811959936 Hz
f32 = 4000.000000000001 Hz


Code: [Select]

Bark:
f1 = 399.99999999999994 Hz
f2 = 446.8977699271362 Hz
f3 = 495.6972291056545 Hz
f4 = 546.5164405610485 Hz
f5 = 599.483446818502 Hz
f6 = 654.737347085632 Hz
f7 = 712.4295170384898 Hz
f8 = 772.724993732765 Hz
f9 = 835.8040523211081 Hz
f10 = 901.8640063008664 Hz
f11 = 971.1212691583759 Hz
f12 = 1043.813722788647 Hz
f13 = 1120.2034473014976 Hz
f14 = 1200.5798782255727 Hz
f15 = 1285.2634712712115 Hz
f16 = 1374.609972468645 Hz
f17 = 1469.0154136520919 Hz
f18 = 1568.9219812236968 Hz
f19 = 1674.8249416472163 Hz
f20 = 1787.2808525266419 Hz
f21 = 1906.9173465768008 Hz
f22 = 2034.4448515939907 Hz
f23 = 2170.6707086017436 Hz
f24 = 2316.5162808944688 Hz
f25 = 2473.0378202521347 Hz
f26 = 2641.4520894892357 Hz
f27 = 2823.168056164986 Hz
f28 = 3019.8264047510274 Hz
f29 = 3233.3492139113855 Hz
f30 = 3466.002986560477 Hz
f31 = 3720.4794163626893 Hz
f32 = 4000.000000000002 Hz


[winni]

Hi!

Avra shows as I said above:

The next octave is just doubling the frequency.
The halftone step is then  2^(1/12)

This is valid since Johann Sebastian Bach until now.
Before his kind of tuning the piano was tuned on natural tones:
If the key changed the had to tune the piano for that key - very labourious.

Winni.

PS.: Bach was more a mathematician than a composer ....

[Fred vS]

Interesting too is the sounds of the planets (here they include Pluto as planet):

https://www.youtube.com/watch?v=IQL53eQ0cNA

But there is something that puzzle me.

Imho, sound needs a support to transmit the wave, like a gaz or a liquid or solid, so how to get noise in space where there is only nearly vacuum?

[J-G]

PS.: Bach was more a mathematician than a composer ....

I have to take issue with that bald statement Winni   Bach is considered by many to be the finest composer in history, I don't go quite that far but his musical works are vastly greater than his papers on mathematics!

[Fred vS]

Hi!

Avra shows as I said above:

The next octave is just doubling the frequency.
The halftone step is then  2^(1/12)

This is valid since Johann Sebastian Bach until now.
Before his kind of tuning the piano was tuned on natural tones:
If the key changed the had to tune the piano for that key - very labourious.

Winni.

PS.: Bach was more a mathematician than a composer ....

Note too that now the La (A) middle of piano is defined to have a frequency of 440 HZ, this was decided in 1885.

But this was not always like this, before in France La (A) midle was at 432 Hz, some people says that 528 Hz should be used because it’s a “digital bio-holographic precipitation crystallization [and] miraculous manifestation of diving frequency vibrations.”

All that to say that if you transpose notes into colors, the colors will change in different epoch.

I have to take issue with that bald statement Winni   Bach is considered by many to be the finest composer in history, I don't go quite that far but his musical works are vastly greater than his papers on mathematics!

Bach is the GREATEST, he invented all in music, even the Hard Rock.

[Thaddy]

@winni

Bach did not know piano's, they did not exist.He knew Harpsicord and family.

@ OP
You need a form of fourrier transform to analyze and translate to colors. Usually fft or dft.

[winni]

PS.: Bach was more a mathematician than a composer ....

I have to take issue with that bald statement Winni   Bach is considered by many to be the finest composer in history, I don't go quite that far but his musical works are vastly greater than his papers on mathematics!

Hi!

I don't care who is the finest composer in history. Maybe Jimmy Page from Led Zeppelin?

But look at the fugues from Bach: pure fine math.
If you think it sounds good then it's ok.

I just wanted to point out that there is  lot of math in the music.
And Bach has detected that and used that.

Winni

PS.: Just remembered the greatest composer of all times: It's Donald Trump

[Fred vS]

Bach did not know piano's, they did not exist.He knew Harpsicord and family.

Yes of course, like Mozart, but the GREATEST in piano is Beethoven.
The piano was invented shortly before his birth and it is incredible how he discover so many possibilities with that new instrument.
At his epoch, nearly nobody did use that instrument.

You need a form of fourrier transform to analyze and translate to colors. Usually fft or dft.

Could you give us some detail how this fourrier transform should look?

PS.: Just remembered the greatest composer of all times: It's Donald Trump

Ooops, indeed, sorry, I forgot this one.
And also the greatest dancer.

[winni]

@winni

Bach did not know piano's, they did not exist.He knew Harpsicord and family.

Dear Thaddy: And how did he write "Toccatas for Piano", BWV 910-916  ???

@ OP
You need a form of fourrier transform to analyze and translate to colors. Usually fft or dft.

You can do that with fourier.
But there a tables for relationship between color and frequency.
Sombody else did the fourier analysis and you just have to look in the table.

Winni

PS

Well temperament (also good temperament, circular or circulating temperament) is a type of tempered tuning described in 20th-century music theory. The term is modeled on the German word wohltemperiert. This word also appears in the title of J.S. Bach's famous composition "Das wohltemperierte Klavier", The Well-Tempered Clavier.

From: https://en.wikipedia.org/wiki/Well_temperament

[Fred vS]

I don't care who is the finest composer in history. Maybe Jimmy Page from Led Zeppelin?

Hum, ...:

https://www.whosampled.com/sample/92207/Led-Zeppelin-Heartbreaker-(Live)-Johann-Sebastian-Bach-Bouree-in-E-Minor/

[Fred vS]

Dear Thaddy: And how did he write "Toccatas for Piano", BWV 910-916  ???

I think that Thaddy ( and I ) wanted to talk about the "Piano Forte" (the modern pianos).

But yes, you are right, before the piano forte, there was pianos.

[J-G]

Dear Thaddy: And how did he write "Toccatas for Piano", BWV 910-916  ???

BWV 910-916 are "Toccatas for KEYBOARD"  written ~1707,  the 'Piano' or rather what some refer to as the 'FortePiano' rather than what we now call the 'PianoForte' was first produced by Bartolomeo Cristofori (a Harpsicord maker) between 1698 and 1700 and the key colours (B & W) were opposite to what we see today so the 'Piano' didn't really exist until about 1720.

[winni]

Hi!

Okay, we ran into translation trouble.

The original german word is "Tasteninstrument" - keyboard instrument.


And to reconsile Bach and Rock:

The best version of "Toccata and Fugue in d minor" I heard and saw at the last tour of The Nice from Keith Emerson (later: Emerson, Lake & Palmer).

He played on the pipe organ of the Hamburg Musikhalle (now Laeiszhalle) - but in double speed. What a great artist he was!

Winni

[Fred vS]

Hi!

Okay, we ran into translation trouble.

The original german word is "Tasteninstrument" - keyboard instrument.


And to reconsile Bach and Rock:

The best version of "Toccata and Fugue in d minor" I heard and saw at the last tour of The Nice from Keith Emerson (later: Emerson, Lake & Palmer).

He played on the pipe organ of the Hamburg Musikhalle (now Laeiszhalle) - but in double speed. What a great artist he was!

Winni

And I have to admit that your other compatriot, Ludvig van, dont have to be reconciled, he is the Rock.