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Post Au2nUyvbZI1MQSb6Iq by [email protected] |
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Post #Au2nUypDx0uu6fc0MC by [email protected] |
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And now I'm looking at dithering. It's a classic turn a binary choice i… |
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Post #Au2nUyvbZI1MQSb6Iq by [email protected] |
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Okay #math and #dsp folks. Is there a noise function that I can initialize to g… |
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Post #Au2nUz473epIqqZtZ2 by [email protected] |
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@ChuckMcManis n = random(0,1)if n < 0.7 then output 1else output 0 |
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Post #Au2nUzBuaf45F2E7ii by [email protected] |
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@ChuckMcManis if your DSP can generate a floating point value and do conditiona… |
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Post #Au2nUzHwEFsxXj2w76 by [email protected] |
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@joshg Yes and thanks for the response. I'm going to look at using an LFSR … |
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Post #Au2nUzP1ntYZtiMbAG by [email protected] |
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@ChuckMcManis @joshg I think an LFSR is too periodic. You'll see/hear it a… |
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Post #Au2nUzVlOqwcEbVyfA by [email protected] |
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@kbob @ChuckMcManis @joshg Have a period is going to be a given. You need a bi… |
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Post #Au2nUzc91834YOV4bo by [email protected] |
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@mbr @kbob @joshg Per @demofox I think what I'm going for here is low discr… |
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Post #Au2nUziWdP9WsBUAYS by [email protected] |
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@ChuckMcManis @mbr @kbob @joshg this is a fork in the rabbit hole but it is pos… |
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Post #Au2nUzpcD2p9EAnpbc by [email protected] |
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@ChuckMcManis @mbr @kbob @joshg regarding the spectra of the sample set, low di… |
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Post #Au2nUzvzpJvbXxmvYG by [email protected] |
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@ChuckMcManis @mbr @kbob @joshg I could drown you in resource but I wont 😂Th… |
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Post #Au2nV02NRb23rkm1Uu by [email protected] |
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@demofox @mbr @kbob @joshg 1/ Okay, I'm a bit confused now. I gave up tryin… |
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Post #Au2nV0972YQ6CdvOzo by [email protected] |
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@demofox @mbr @kbob @joshg 2/ Now I created a simple loop that generated 8,000 … |
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Post #Au2nV0GYasNIZjPLbE by [email protected] |
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@demofox @mbr @kbob @joshg 3/ Then I dumped all of the values into four columns… |
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Post #Au2nV0NIBplKucYj68 by [email protected] |
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@demofox @mbr @kbob @joshg 4/ and plotting columns 3 and 4 (the ones generated … |
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Post #Au2nV0Tfo6rnEPXp2m by [email protected] |
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@demofox @mbr @kbob @joshg 5/ Plotting the golden ratio generated values on a l… |
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Post #Au2nV0ZhRhgfX6MdRA by [email protected] |
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@demofox @mbr @kbob @joshg 6/ And plotting one of the random columns gets me th… |
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Post #Au2nV0g53yn7qtLjNo by [email protected] |
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@demofox @mbr @kbob @joshg The code as a picture: |
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Post #Au2nV0moewBABmV6si by [email protected] |
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@demofox @mbr @kbob @joshg Thread update! With my slowly developing understandi… |
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Post #Au2nV0tYFtZCWfeUNc by [email protected] |
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@demofox @mbr @kbob @joshg And THIS is when using a uniform distribution (basic… |
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Post #Au2nV10dpXEosey9Qm by [email protected] |
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@ChuckMcManis @mbr @kbob @joshg Great test indeed. This can also be seen as 1d … |
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Post #Au2nV1PoJxN48ikFf6 by [email protected] |
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@demofox @mbr @kbob @joshg And another update, I was computing my convergence i… |
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Post #Au2nV1tEYYuHbyVkWW by [email protected] |
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@demofox @mbr @kbob @joshg And for kbob's benefit, I those are all use the … |
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Post #Au2nYPFSAPrevPVwfo by [email protected] |
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@ChuckMcManis @demofox @kbob @joshg Right. An LDS isn't random. It's … |
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Post #Au2nYPLpmgy7FCV2cS by [email protected] |
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@ChuckMcManis @demofox @kbob @joshg This is for the 2D case but the animations … |
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Post #Au2nYPTdJhCtdO9Gm8 by [email protected] |
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@mbr @ChuckMcManis @kbob @joshg yeah, the golden ratio LDS is good for 1D value… |
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Post #Au2nYPbQqhRg1ZnUvo by [email protected] |
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@demofox @mbr @kbob @joshg Fortunately, I'm sticking to 1D in my applicatio… |
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Post #Au2nYPhoSyY8LMmasS by [email protected] |
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@ChuckMcManis @mbr @kbob @joshg oh that's cool.If you end up needing freque… |
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Post #Au2nYPnq6ZN0e3bPGq by [email protected] |
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@demofox @mbr @kbob @joshg That is the key question here that I'm drilling … |
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Post #Au2nYPuDiqTSxqaVDU by [email protected] |
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@ChuckMcManis @mbr @kbob @joshg I've never seen anything useful in the spec… |
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Post #Au2nYQ1JIU95JpuAGe by [email protected] |
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@ChuckMcManis @mbr @kbob @joshg and there's a pretty simple algorithm to ma… |
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Post #Au2nYQ9omqx1kDsxWq by [email protected] |
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@demofox @mbr @kbob @joshg This is the most interesting bit out of that present… |
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Post #Au2nYQKo7zk2IJ1jeq by [email protected] |
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@ChuckMcManis @mbr @kbob @joshg That's funny. That's the same situation… |
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Post #Au2nYq4ORe3o6vXzgO by [email protected] |
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@demofox @ChuckMcManis @mbr @joshg This is off-topic, but as long as we're … |
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Post #Au2nYqCtw0rkXJWmwa by [email protected] |
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@demofox @ChuckMcManis @mbr @joshg If you want to see that in code, the Teensy … |
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Post #Au2nZnG8NdVbgQUhfs by [email protected] |
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@kbobWhat kind of DSP hardware and setup are you working with?@ChuckMcManis |
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Post #Au2nZnLo2Y2ty19EW0 by [email protected] |
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@joshg @kbob Was that Q? to me or kbob? |
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Post #Au2nZnRpg8rmGhy2uO by [email protected] |
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@ChuckMcManisTo you, sorry. Wondering if we can look up what options your DSP h… |
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Post #Au2nZnYZH6Fobb7QPI by [email protected] |
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@joshg @kbob 1/ The target platform is the ICE40 and ECP5 FPGAs. I'm curren… |
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Post #Au2nZnfeqjvQxaR5SS by [email protected] |
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@ChuckMcManisI suppose since you're looking for a good noise function rathe… |
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Post #Au2nZnlKVeSjFB5cIa by [email protected] |
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@joshg @kbob This is a solid insight as well.I got a great comment from @demofo… |
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Post #Au2nZnsQ5I8LbAPHLk by [email protected] |
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@ChuckMcManis @joshg @kbob @demofox Now you see the reason (one of the reasons)… |
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Post #Au2nZnz9gFWNw3Yeqe by [email protected] |
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@dougmerritt @ChuckMcManis @joshg @kbob and likewise. The hive mind is real :) |
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Post #Au2nZo5BJqLGEkNTF2 by [email protected] |
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@joshg @kbob 2/ I'm also nominally writing a book but if I can't explai… |
