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Thread: Here’s A Digital Conundrum

  1. #21
    Join Date: Mar 2009

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    I'm Patrick.

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    Last edited by Patrick Dixon; 31-05-2018 at 10:22.

  2. #22
    Join Date: Jan 2008

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    No, it doesn't appear helpful - but in this case the maths is counter-intuitive - what happens between the gaps, for example?
    Well, mathematically, below the "Nyquist frequency", there aren't any gaps - but you can tell people that till the cows come home but unless they have at least some grasp of the math they go with their flawed intuition.
    Jerry

    Qobuz Hifi / Spotify Premium streaming, Topping D30 DAC, Herron VTSP-2 valve preamp, Trigon TRE 50 monoblocks, MBL 116F.

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  3. #23
    Join Date: Mar 2009

    Location: South West-ish, UK

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    I'm Patrick.

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    Last edited by Patrick Dixon; 31-05-2018 at 10:22.

  4. #24
    Join Date: Mar 2009

    Location: South West-ish, UK

    Posts: 199
    I'm Patrick.

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    Quote Originally Posted by jandl100 View Post
    No, it doesn't appear helpful - but in this case the maths is counter-intuitive - what happens between the gaps, for example?
    Well, mathematically, below the "Nyquist frequency", there aren't any gaps - but you can tell people that till the cows come home but unless they have at least some grasp of the math they go with their flawed intuition.
    You put it much better than me.

  5. #25
    Join Date: Apr 2012

    Location: Southall, West London

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    I'm Geoff.

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    Quote Originally Posted by Patrick Dixon View Post
    You can't explain these things in layman's terms and unless you are prepared to put in some effect, why should you expect someone expert to entertain nonsensical questions? You don't have to be a mathematician, you just have to put in some effort to research what's already out there.
    A patronising tone is not good. The questions you describe as "nonsensical" may be being asked simply because people don't know the right questions or where or how to research the matter.

  6. #26
    Join Date: Feb 2008

    Location: http://www.homehifi.co.uk

    Posts: 6,103

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    Quote Originally Posted by walpurgis View Post
    A patronising tone is not good. The questions you describe as "nonsensical" may be being asked simply because people don't know the right questions or where or how to research the matter.
    I would give you five stars for that reply if that was possible .

  7. #27
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 78,233
    I'm AudioAl'sArbiterForPISHANTO.

    Default Wrong side of the bed?

    Yeah, I must ask you to re-write/rephrase your post (#19), Patrick, as that's not how we respond to each other here. Everyone (and their opinions) must be treated with tolerance and respect, at all times, no matter how much you disagree with them.

    Also, don't presume everyone will want, far less know how, to "understand the maths". I really don't like your rather arrogant and ill-tempered tone on this thread, so please alter it to something friendlier. Cheers!

    Marco.
    http://www.thestainedglasscompany.com

    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do" -- Milan Kundera.

    BE HAPPY EVERYDAY!

  8. #28
    Join Date: Mar 2011

    Location: Readimg

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    I'm George.

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    Quote Originally Posted by StanleyB View Post
    There are harmonics of the audio data within 20Hz to 20KHz that extend above 20KHz.
    True and that is why some argue that higher sampling rates are needed. I was trying not to overcomplicate things because some have measured audio signals (at a low level) above 40 kHz which emphasises the need for 96 kHz or 192 kHz for some studio headroom. However, the levels are low and some argue removing them does not impact the music that much. The advantage of understanding the maths is that it is precise and explains it clearly but for those not keen it may have to be accepted that if the audio is limited to 22kHz and is then sampled at 44 kHz then all the frequencies up to 22kHz can be accurately re-constructed.

  9. #29
    Join Date: Mar 2009

    Location: South West-ish, UK

    Posts: 199
    I'm Patrick.

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    Quote Originally Posted by Marco View Post
    Yeah, I must ask you to re-write/rephrase your post (#19), Patrick, as that's not how we respond to each other here. Everyone (and their opinions) must be treated with tolerance and respect, at all times, no matter how much you disagree with them.

    Also, don't presume everyone will want, far less know how, to "understand the maths". I really don't like your rather arrogant and ill-tempered tone on this thread, so please alter it to something friendlier. Cheers!

    Marco.
    OK, I won't post in these threads anymore. I don't usually post on these kinds of thread precisely because on the internet everything has to be equal even when it's not. Who the hell needs 'experts' anyway when we can rely on intuition and the will of the people?

  10. #30
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 78,233
    I'm AudioAl'sArbiterForPISHANTO.

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    Not posting on these threads isn't really a proper solution though, is it? Why not simply alter your attitude and be nicer to people?

    That would be a good start. I haven't even read the main content of this thread, simply your rude response highlighted, which regardless of who's right or wrong, in terms of the thread topic, there was simply no need for.

    Do you address people that way in real life, Patrick - and if so, what type of response would you expect to receive in return? In this instance, it's not what you say, but HOW you say it. Regardless of how much of an 'expert' anyone is, no-one knows it all.

    Marco.
    http://www.thestainedglasscompany.com

    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do" -- Milan Kundera.

    BE HAPPY EVERYDAY!

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