i just thought i should post this

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    Nanashi_Zokune

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    i just thought i should post this

    Post by Nanashi_Zokune on Tue Aug 31, 2010 10:00 am

    okay i know people have trouble finding good mic's out there and most everyone just tells them "you want clarity so get that" well it's more complicated then what it seems, especially to a lot of people who don't know what to look for. so i'm going to go a little in depth here about what to look for on the back of the box of any mic you find in stores (same goes for headsets and headphones).

    first off lets look at the the Hertz (Hz) the average human being can hear from ranges 20hz to 20,000hz (20 Kilohertz) and if you look at utau normally you can find each of your ranges
    Spoiler:
    anything under 20hz we can't really hear.
    a designated "vocal" microphone is greater than 50hz while an "instrumental" microphone is lower than 50hz.

    so yeah that's easy to look for right? well here's where it gets tricky

    now we look at impedance Ω (ohms)
    this has to do with the amount of resistance the signal has traveling up/down the wires to turn your voice into digital frequencies.
    no different if you were to drive down a bumpy road; too much impedance is bad. to give an example higher than 600 Ω is high impedance and lower than 600 Ω is low impedance, what you want is low impedance.

    so lets see 300 Ω that's pretty good on it's own right there, but the balancing is tricky.
    > 300 Ω but < 600 Ω is good quality
    < 300 Ω is great quality

    and average quality mic you can pick up anywhere is usually higher than 600 Ω but lower than 10 kΩ(kilo-ohms) and some are even over the 10 kΩ which give off static, pops and crackling noise ect. ect.

    now for decibels (db)
    this is loudness and sensitivity, the scale range of decibels is 130 to 0.
    this is pretty straight forward so i'll just do the examples.
    130db causes pain
    120db is the sound of a jackhammer
    80db is shouting
    60db is speaking
    40db is like a quiet room
    0db no sound at all and -1db is < 20hz

    microphone manufacturers use a speaking range standard of 74db to 94db

    lets summarize what we have so far
    standard human hears between 20hz to 20khz
    the vocal range is from 70 hz to 1,000htz
    > 10khz bad quality mic
    > 600 Ω average quality mic
    < 600 Ω "desirable mic"
    < 300 Ω great quality mic
    < 0db quiet no sound


    the power source also plays a factor in quality as well for instance no power means lowest quality. battery powered will give you about 1.5 to 5 volts going a step further; a preamp will give you about 15 volts while phantom power is the highest tier in power giving you 48 volts, though phantom power is typically for condenser microphones (non-electret and
    non-dynamic), which usually means that the microphone is a "low
    impedence" high-quality microphone... also dynamic microphones can be damaged
    by phantom power.

    i think that should be everything.
    if you have anymore info feel free to add or clarify XD

    this is all mostly what i learned making some of those karaoke's and i used this info to find me my new headphones~ i can finally listen to my mp3 player again X3

    Psycho↑ ↓

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    Re: i just thought i should post this

    Post by Psycho↑ ↓ on Tue Aug 31, 2010 5:02 pm

    ....I love you for this, Choc!

    Nanashi_Zokune

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    Re: i just thought i should post this

    Post by Nanashi_Zokune on Tue Aug 31, 2010 5:39 pm

    lol i realized this should probably be moved to the help section... i did this in the wee hours of the morning and was really tired XD so if anyone can please move this to the help section :3

    Yanyu

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    Re: i just thought i should post this

    Post by Yanyu on Wed Sep 01, 2010 1:17 pm

    Ohh~ This is really helpful~ I was stuck since my microphone that I used before broke and it seems they don't sell it anymore (it was really cheap yet worked really good for me!) but I'll go hunting again with these tips in mind~! thank you~

    Lenexia

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    Re: i just thought i should post this

    Post by Lenexia on Wed Sep 01, 2010 1:38 pm

    Oh yes, when I'm going the next time to an electronic article shop I'll watch out for mics with these criterias! <3

    Nanashi_Zokune

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    Re: i just thought i should post this

    Post by Nanashi_Zokune on Wed Sep 01, 2010 11:23 pm

    lol you're all welcome XD i just thought i should make this guide cause it's hard to find good mics out there and i'm glad it will help :3

    zin

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    Re: i just thought i should post this

    Post by zin on Sat Sep 18, 2010 4:35 pm

    i need a simple summery of what to look for @_@

    so i should look for a mic that is
    < 300 Ω

    and what else o-o

    -edit-
    i tried to do some research and found this microphone
    http://www.audio-technica.com/cms/wired_mics/c75c5918ed57a8d0/index.html
    the description of it on the site says its the usb version of this
    http://www.audio-technica.com/cms/wired_mics/a0933a662b5ed0e2/index.html

    Nanashi_Zokune

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    Re: i just thought i should post this

    Post by Nanashi_Zokune on Sat Sep 18, 2010 5:05 pm

    power supply and hertz. usb's are good and offer a fair amount of power to pickup on the bass of your voice, while as condenser mics (you'll need a mixer board for true condenser mics) use a looot more voltage to produce less ohms and more range thus you sound natural as if you were speaking to the person directly.

    range of hertz is good too it's the determining factor of how it reacts to your voice, whether it hears base,treble, and the overlapping ranges that help produce reverb and such.

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