Sound's frequency tuning relation and 432hz

Discussion in 'Music' started by faunus, Mar 14, 2016.

  1. faunus

    faunus Ultrasonic

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    Hello everyone
    I would like to ask how sound's frequency itself relates to tuning.
    A bass for example is a low frequency sound of about 500hz
    A hihat is a high frequency sound of about 10khz.
    How is that related to tuning ? 440hz or 432hz ?
    I assume that a sound has its base frequency and the tuning is something like a multiplier
    with higher tuning the sound frequency shrinks and with lower tuning it expands ?
    but which tuning is closer to real life for natural sounds human not created ?
    they say that 432hz is the universal pitch. and 440hz to to be unharmonized

    Any sound playing at lower tuning has a lower pitch
    what if we take a human vocal and tune it to 432hz vs 440hz ?

    what are your thougts in general about 432hz ?​
     
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  3. MNDSTRM

    MNDSTRM Platinum Record

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    Lets start with an octave, that doubles/halves the frequency in hz every octave you go up/down.
    the relationship between each consecutive note is 1/12 of an octave.
    if you tune your instruments so that the above are true, you'll be able to play songs, but they still wont match up with other instruments since you don't have a reference point.

    This is known as the tuning standard, which is that A5 (A above middle C) is tuned to 440hz, now all your instruments have a common point to sync their tunings to.

    Basically its like the clapper thing guys do when recording videos, one common point where the audio and video sync up.

    432hz is a different standard, and back in Mozarts time, the standard was around 425hz.

    Using different tuning standards can be a pain, DJs will hate you and you'll have to do a bit of math for say tuning a kick drum or samples, but it can give you a unique vibe.
     
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  4. Baxter

    Baxter Audiosexual

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    -32 cents (432Hz vs. 440Hz).

    32% of a semitone.

    Everything is relative.

    Stick to A440.
     
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  5. MNDSTRM

    MNDSTRM Platinum Record

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    Agreed.

    OP where that comes from is:

    G# is 415.3hz, A is 440hz

    (440-432)/(415.3-440)= -0.3239 semitone or -32 cents
     
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  6. faunus

    faunus Ultrasonic

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    thanks for the informative answers,
    A sound with 1000hz means 1000 cycles per second , do we have to count the tuning in this also ? tuning will affect this ?
    what happens to a sound with frequency of 1000hz when we change the tune from 440hz to lets say 340hz ? can we find a graph ?
    i try to understand what the tuning numbers mean ! in relation to instruments frequency !

    can you please suggest me some sources to read about ?
     
  7. jayxflash

    jayxflash Guest

  8. Rasputin

    Rasputin Platinum Record

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    I think you're confusing/conflating the fundamental (the pitch of A,C,G#, whatever) with the frequency range of a particular instrument.

    If you have a bass guitar or deep synth with a range around 110Hz then that doesn't mean it's always going to sound like it's playing an A or anything. Instruments have a -range- of frequencies they produce. Whatever the fundamental happens to be within that specific range is the note that you will hear as being the pitch. The overtones of that pitch (multiples of the fundamental) that fall within the instruments given range are what creates the tone/timbre/character of the instrument.

    In other words, instruments create a lot of different frequencies. Some instruments fall within a particular range, such as an 808 kick which doesn't have many overtones in the upper end (not much in the 10kHz, for example). But if the fundamental of the kick is 55Hz then it'll work well with songs in the key of A.
     
  9. Dread_J

    Dread_J Kapellmeister

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    are you looking for informations to acknowledge the conspiracy theory of satanic 440hz versus the godlike 432 hz ?
    Because your questions looks a bit oriented.
    Where you lost on youtube few days ago ? :D
     
  10. mindpassfilter

    mindpassfilter Member

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    This is a great book that covers this, and just about every technical issue related to music:



    This Is Your Brain on Music: The Science of a Human Obsession

    Daniel J. Levitin

    As others have mentioned, it's all relative. I used to DJ at night clubs and preferred to turn the pitch lock off when adjusting the tempo, which would result in retuning the song as well, sometimes by a semtione or more. Nobody cared. They just kept dancing. Cheers!
     
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