Why and Where is used 384khz sample rate

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pcpaulius
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2009/11/02 01:34:34 (permalink)

Why and Where is used 384khz sample rate

So I'm wondering where it is desirable to be that high and why 
post edited by pcpaulius - 2009/11/02 03:08:39


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    Guitarhacker
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    Re:Why and Where is used 384khz sample rate 2009/11/02 08:05:32 (permalink)
    The only reason I can think of would simply be to impress someone...just because you can.

    CD quality is pretty good at 16khz.... and most of us record at 24Khz which sounds pretty good...... so.... no..... I can not think of a reason to use 384khz.

    But what do I know?

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    The Maillard Reaction
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    Re:Why and Where is used 384khz sample rate 2009/11/02 08:12:34 (permalink)
    384kHz is useful for recording whale songs if you are trying to intercept and analyze their secret communications with outer space.

    Guitarhacker is just funning with you.

    best,
    mike


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    pcpaulius
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    Re:Why and Where is used 384khz sample rate 2009/11/02 08:39:28 (permalink)
    sounds reasonable  


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    Spaceduck
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    Re:Why and Where is used 384khz sample rate 2009/11/02 09:21:24 (permalink)
    I asked the same question at a pro studio recently, and the engineer told me he usually records classical ensembles at 192kHz and would go up to 384k if they request it. But for rock & pop, he usually sticks to 48k.

    Some people say higher sampling rates improve the performance of your A/D converters and I tend to agree. At least I can hear the difference with mine, and I know I'm not hearing supersonic frequencies. Maybe the extra headroom gives a cleaner sound even if you're not using it.

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    The Maillard Reaction
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    Re:Why and Where is used 384khz sample rate 2009/11/02 09:26:55 (permalink)
    I record at 44.1 for music but hope to someday have the horsepower to work at 96.

    At the present I'm amazed that I can work relatively recklessly at 44.1kHz on my system and have access to so much native DSP power.

    It's a sweet spot for my 3.2 quad core and I do not want to sacrifice the work flow I have.

    I hope the next leap for my operation will be equal performance on a 24/96 system... I think it's still a bit away for me.

    best regards,
    mike


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    bitflipper
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    Re:Why and Where is used 384khz sample rate 2009/11/02 10:36:50 (permalink)
    Why and Where is used 384khz sample rate

    Dolphin research?


    All else is in doubt, so this is the truth I cling to. 

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    The Maillard Reaction
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    Re:Why and Where is used 384khz sample rate 2009/11/02 10:42:08 (permalink)
    :-)

    rate minds think a like.


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    larrymcg
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    Re:Why and Where is used 384khz sample rate 2009/11/02 11:11:20 (permalink)
    Spaceduck


      Maybe the extra headroom gives a cleaner sound even if you're not using it.


    I don't think a higher sample rate gives extra headroom but it does give better resolution. 

    --Larry

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    drewfx1
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    Re:Why and Where is used 384khz sample rate 2009/11/02 11:41:29 (permalink)
    A higher sample rate (at the ADC) only gives extended high frequency response, with less demand on the filters that remove frequencies that are too high, and nothing else. And almost all modern AD/DA converters oversample and run at a higher sample rate internally anyway. An argument can be made that 88.2kHz or 96kHz sounds slightly better than 44.1/48kHz, but anything above that has zero benefit when dealing with AD/DA converters.

    Once you're in the box, running at a higher sample rate can be useful when doing processing that adds higher harmonics (distortion). Otherwise adding frequncies above the Nyquist frequency (one half the sampling frequency) results in nasty sounding aliasing.

    drewfx
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    Guitarhacker
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    Re:Why and Where is used 384khz sample rate 2009/11/02 16:28:22 (permalink)
    Uhhhhhh.... I meant bit depth...... duhhhhh.  It was too early on a Monday morning......

    384khz eats up hard drive space.......

    My website & music: www.herbhartley.com

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    The Maillard Reaction
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    Re:Why and Where is used 384khz sample rate 2009/11/02 18:11:40 (permalink)
    You are amongst friends... We all looked the other way. :-)


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    Jeff Evans
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    Re:Why and Where is used 384khz sample rate 2009/11/02 18:27:17 (permalink)
    In Bob Katz's book on mastering they do some very revealling tests regarding high sample rates. They compared rates like 44.1 to 96 and higher. They built the best converters in the world to do it as well. They had the best ears in the business listening and in the end Bob concluded that there was no point in going above 50Khz sample rate! No one could really tell the difference. But 48Khz is a nice sample rate and is closer to 50K Hz. That is why 48 is not a bad idea especially if there is any chance your music is going to end up on TV or DVD etc.

    Higher bit depths are much more important than higher sampling rates.

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