Note frequencies

IDAwHOa · Post by **IDAwHOa** » Wed Sep 03, 2003 1:00 pm

Where can one find what frequencies the supporting notes for a particular scale are, for say A = 440? Been thinking about it and finally remembered to ask.

SteveK · Post by **SteveK** » Wed Sep 03, 2003 1:07 pm

Here:

http://ashleys.net/music/notefreq.htm

Steve

Caj · Post by **Caj** » Wed Sep 03, 2003 4:02 pm

NorCalMusician wrote:Where can one find what frequencies the supporting notes for a particular scale are, for say A = 440? Been thinking about it and finally remembered to ask.

Start at your base note (e.g., A=440.0,) and each half step you go up, multiply by the 12th root of 2. For each half step you go down, divide by the 12th root of 2.

So, if instead you tune A=444, the d above that would be 444.0*2^(5/12), or 592.668895 Hz.

Caj

Zubivka · Post by **Zubivka** » Wed Sep 03, 2003 4:13 pm

Caj wrote:the d above that would be 444.0*2^(5/12), or 592.668895 Hz.

"... this as a first approximation, Captain.
— Thank you, Mr Spock."

Ridseard · Post by **Ridseard** » Wed Sep 03, 2003 5:35 pm

Second approximation: 592.668895251...

Bloomfield · Post by **Bloomfield** » Wed Sep 03, 2003 5:55 pm

You would never forget the Pythagorean Comma, now would you?

Daniel_Bingamon · Post by **Daniel_Bingamon** » Wed Sep 03, 2003 8:15 pm

http://jubileeinstruments.messianic-web ... otetbl.htm

You can roughly calculate the next tone higher of each note by multiply frequency by 1.059463

Example A : 440 * 1.059463 = Bb: 466.164

According to Steve's hyperlinked table, D is 587.3
My table is: 587.3295515

Equal Temperment is 440 * 1.059463 * 1.059463 * 1.059463 * 1.059463 * 1.059463 = 587.3292743

Where did you guys get 592.668895...? Excel comes up with 587.32953583
using the previously mentioned formula. All other website show around 587.329......

Zubivka · Post by **Zubivka** » Thu Sep 04, 2003 2:02 am

Daniel_Bingamon wrote:Where did you guys get 592.668895...? Excel comes up with 587.32953583
using the previously mentioned formula. All other website show around 587.329......

"And FruitcakeWorks comes with 587,32955147, but using factor 1,0594631.
Hmm... Mr Spock?
I let it go when you first-approximatism lost the Grapefruit satellite.
Now your attempt to tweak this Ressikan flute makes it unrecoverably sharp.
Sorry but I'll ask you to resign your comission. Please leave your seat to Mr XL until and if you heal..."

bjs · Post by **bjs** » Thu Sep 04, 2003 2:18 am

maple gives
587.3295358348151205255660277211592209 .....
want more

Zubivka · Post by **Zubivka** » Thu Sep 04, 2003 2:22 am

bjs wrote:maple gives
587.3295358348151205255660277211592209 .....
want more

Easy :

586,666666666666666666666666666666666666666666666666666666(ad lib)...

in just temper, of course

IDAwHOa · Post by **IDAwHOa** » Thu Sep 04, 2003 9:40 am

Personally, I think one decimal place would be more than adequate to properly tune an instrument.

But hey, who am I?

Ridseard · Post by **Ridseard** » Thu Sep 04, 2003 9:55 am

Daniel_Bingamon wrote:Where did you guys get 592.668895...?

That was using A=444, not 440: 444*2^(5/12)=592.668895...

RonKiley · Post by **RonKiley** » Thu Sep 04, 2003 9:56 am

The above calculation was based on 444 not 440. That's how they got 592.

Ron

RonKiley · Post by **RonKiley** » Thu Sep 04, 2003 9:57 am

You beat me to it Ridseard
Ron

Thomas-Hastay · Post by **Thomas-Hastay** » Sat Sep 06, 2003 3:20 pm

Database for musical frequencies<i>(click on the brown "keypads" at this site for specific scales etc.)</i>

http://hyperphysics.phy-astr.gsu.edu/hb ... percn.html

MIDI concert frequency table

http://www.borg.com/~jglatt/tutr/notefreq.htm

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