• nau

    The bigger the size of the knob the bigger the precision whithin the range when manipulated

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  • nau

    Sorry, not sure to understand what you're saying. At a given SR, frequencies above SR/2 simply can't be digitally represented, as the Nyquist–Shannon sampling theorem states. So if you don't lowpass-filter, you won't never ever get higher frequencies, just additional crap in the [0-SR/2] hz interval (aliasing).

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  • nau

    there's a classic way to do that (vanilla style) on the fly : a [+ .49999999] followed by an [int]

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  • nau

    Reminds me of old good Rumble-san webradio exclusively made of algorithmic music made whit pd...

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  • nau

    The twelfth root of 2 (https://en.wikipedia.org/wiki/Twelfth_root_of_two), that's the number you're looking for.

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  • nau

    Sorry, I don't have an Arduino, but on another arm-based microcomputer I used i2c protocol to do that. There are objects to handle i2c in pd : https://github.com/zevv/pd-i2c, even if you'd have to compile them before use. I made similar externals also, but nothing proves mine are better than those (I'm not a coder). Or maybe in pd-l2ork?

    It's also easy (and rewarding) to write things to the LCD from command line, and once you master it you can use the [shell] object to do it from whithin pd.

    Sorry if I'm off topic...

    Nau

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  • nau

    I'm so sorry!

    I sort of missed your post. The enclosure is very similar to this one, but with the dimensions of this other one.

    I didn't compile the kernel by myself, I used the one found here, that was released by autostatic, you can read this article which is related (and the comments), even if it didn't mention his personal repository I pointed to before. Anyway the guy is trying to stay at the cutting edge most of the time, and you'll find many interesting posts on his blog, like this one for instance.

    Nau

    posted in I/O hardware diyread more
  • nau

    Maestro, il grande ritorno.

    posted in extra~ read more
  • nau

    Did you try the object mentionned in this topic : http://forum.pdpatchrepo.info/topic/9966/i2c-external ?

    I wrote an abstraction months ago, it was dedicated to ADC reading but it could be inspiring : http://forum.pdpatchrepo.info/topic/8650/arm-cubieboard-externals-gpio-and-i2c . What kind of task would you like to perfom?

    Nau

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  • nau

    I never used a mixer (usb or not) to output signal to an guitar amp, but there could be a problem of signal level and/or impedance mismatch between the two. A "line level" output for instance is simply not suitable for such a connection, it results in a much too heavy signal coming into your amp pream stage, hence a distortion. If you listen to the output of pd with the headphones and the sound is clean, then the problem is located between pd and your gtr amp.

    I personally do use pd as a effects processor using a "regular" soundcard (http://forum.pdpatchrepo.info/topic/9692/cubie-pd-pedal), but this is only possible because I have another guitar pedal that accepts "line" input signals, and has a the right output stage to "talk" to a guitar amp.

    The keyword used when talking about sending line levels to guitar amps is "reamp(ing)", you can find passive or active reamping interfaces that do the job very well...but you'll pay for it ;-) I also think there exist soundcards with dedicated "to guitar amp" outputs, but I never tested it.

    Nau

    posted in technical issues read more

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