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NYarvin's profile
Norman Yarvin
Norman Yarvin
Norman Yarvin
@NYarvin

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Norman Yarvin

@NYarvin

yarchive.net/blog
Joined April 2013

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    1. Chris Ball‏ @cjbprime 22 Mar 2019
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      Does anyone know of a blinded rank ordering of headphone quality by an expert? Headphone reviews read like wine reviews. I just want to know things like at what point the quality vs. price correlation becomes super weak, and you could easily determine that from a blind ranking.

      2 replies 0 retweets 7 likes
    2. Michael Stone‏ @anoncept 22 Mar 2019
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      Replying to @cjbprime

      Given https://people.xiph.org/~xiphmont/demo/neil-young.html … I wonder if @xiphmont can recommend any related research?

      2 replies 0 retweets 0 likes
    3. Monty [the rider]‏ @xiphmont 22 Mar 2019
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      Replying to @anoncept @cjbprime

      Research: pretty much all commercially driven. What we know is vague and unsatisfying: 'ideal' HRTF varies dramatically between individuals, preference just as much, and people will come to like almost any headphone that's not too extreme.

      2 replies 0 retweets 1 like
    4. Norman Yarvin‏ @NYarvin 23 Mar 2019
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      Replying to @xiphmont @anoncept @cjbprime

      Rereading that article, I noticed: "Proving a null hypothesis is akin to proving the halting problem; you can't." No, I can: suppose you had a program that solved the halting problem. Construct a program which calls that program and does the opposite of what it says. Fail!

      1 reply 0 retweets 0 likes
    5. Norman Yarvin‏ @NYarvin 23 Mar 2019
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      Replying to @NYarvin @xiphmont and

      Of course for "Fail!" you may substitute the usual things said at the end of a proof by contradiction. I kind of like "Fail!", though.

      1 reply 0 retweets 0 likes
    6. Monty [the rider]‏ @xiphmont 23 Mar 2019
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      Replying to @NYarvin @anoncept @cjbprime

      You can't prove a null hypothesis, but you can keep testing it. Humans function pretty well in a world of halting problems. Most of the time anyway.

      1 reply 0 retweets 0 likes
    7. Norman Yarvin‏ @NYarvin 23 Mar 2019
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      Replying to @xiphmont @anoncept @cjbprime

      Oh, agreed about null hypotheses, just saying that the halting problem is the wrong example to use, since the impossibility of solving that actually is rigorously provable, and in fact that's how we know it. A better example might be the Second Law of Thermodynamics.

      2 replies 0 retweets 0 likes
    8. Monty [the rider]‏ @xiphmont 23 Mar 2019
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      Replying to @NYarvin @anoncept @cjbprime

      ? A halting problem is an example a null hypothesis. "The halting problem" is a meta-analysis of the set of all halting problems that can show them each to be reducible to a null hypothesis. Unless I'm very much mistaken, and I may be.

      2 replies 0 retweets 0 likes
    9. Norman Yarvin‏ @NYarvin 23 Mar 2019
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      Replying to @xiphmont @anoncept @cjbprime

      In computer science, "the halting problem" is a very specific problem, and it's been proven that one can't solve it: https://en.wikipedia.org/wiki/Halting_problem … It doesn't have much to do with null hypotheses.

      1 reply 0 retweets 0 likes
    10. Monty [the rider]‏ @xiphmont 23 Mar 2019
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      Replying to @NYarvin @anoncept @cjbprime

      Yes, it's a specific problem. And the class of halting problems is a little different than any one specific problem. But I can accept the underpinnings of halting problem analysis and a null hypothesis are logically different.

      2 replies 0 retweets 0 likes
      Norman Yarvin‏ @NYarvin 23 Mar 2019
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      Replying to @xiphmont @anoncept @cjbprime

      I'm not sure in what discipline there might be "halting problems", plural. If you have a specific program to analyze, you often can tell that it halts; likewise for a specific class of programs; it's only solving the problem in general that is impossible.

      1:50 PM - 23 Mar 2019
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        2. Monty [the rider]‏ @xiphmont 23 Mar 2019
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          Replying to @NYarvin @anoncept @cjbprime

          yes, that's what I'm saying-- 'the halting problem' applies over the class of all problems. No one problem is 'a halting problem'. I got meta, probably to my detriment.

          1 reply 0 retweets 0 likes
        3. Norman Yarvin‏ @NYarvin 23 Mar 2019
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          Replying to @xiphmont @anoncept @cjbprime

          When I have a halting problem to solve with my car, I press the brake pedal.

          1 reply 0 retweets 0 likes
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