[PD] Does Pd have a "sound"?

Matt Barber brbrofsvl at gmail.com
Tue Feb 16 15:39:04 CET 2016


Yeah, the phase relationships didn't match those in the SC3 code. I'll send
the updated patch when I can get to my computer.
On Feb 16, 2016 9:36 AM, "Alexandre Torres Porres" <porres at gmail.com> wrote:

> > OK, I had to adjust the Pd patch a little to get it to match the SC3
> code.
>
> why? what do you mean? was it wrong?
>
> 2016-02-16 6:07 GMT-02:00 Matt Barber <brbrofsvl at gmail.com>:
>
>> OK, I had to adjust the Pd patch a little to get it to match the SC3
>> code. I've made an A/B test: one is SC3 and the other is the matching Pd
>> patch. See if you can tell which one is which, and why you answered the way
>> you did. I went fast and made them 44.1kHz 16-bit; you'll have to live with
>> it. :)
>>
>> On Mon, Feb 15, 2016 at 11:55 PM, Alexandre Torres Porres <
>> porres at gmail.com> wrote:
>>
>>> correct code
>>>
>>> {VarSaw.ar(LFPulse.kr(1, 0, 0.3, 50, 50), 0, LFTri.ar(1, 0, 0.5,
>>> 0.5))!2}.play
>>>
>>> 2016-02-16 2:54 GMT-02:00 Alexandre Torres Porres <porres at gmail.com>:
>>>
>>>> well, while we're at it, here's the patches for you to check and
>>>> speculate :)
>>>>
>>>>
>>>> SuperCollider Code;
>>>> VarSaw.ar(LFPulse.kr(1, 0, 0.3, 50, 50), 0, LFTri.ar(1, 0, 0.5,
>>>> 0.5))!2.play
>>>>
>>>> 2016-02-16 2:45 GMT-02:00 Matt Barber <brbrofsvl at gmail.com>:
>>>>
>>>>> If there is difference between the sound of [triangle~] and VarSaw, it
>>>>> might actually be in the way phase is generated. The algorithms themselves
>>>>> are pretty much the same, but while VarSaw makes its own single-precision
>>>>> phase by simply subtracting 1 when an increment takes it past 1.0 (using a
>>>>> conditional on each sample), [triangle~] is a waveshaper that is fed phase.
>>>>> Pd's phasor is a little idiosyncratic, using a kind of bit-hacking to
>>>>> unwrap phase (the Höldrich method), which is supposed to perform a bit
>>>>> faster than a conditional, and it's inside not just [phasor~] but all the
>>>>> oscillator objects. If I remember correctly it can be prone to phase drift
>>>>> over time, but don't quote me on that.
>>>>>
>>>>> On Mon, Feb 15, 2016 at 11:24 AM, Alexandre Torres Porres <
>>>>> porres at gmail.com> wrote:
>>>>>
>>>>>> I still believe differences between Pd and SC depend on other
>>>>>> technical details than the ones presented, because similar objects like
>>>>>> triangle~ and VarSaw will just sound quite differently, hence it may rely
>>>>>> on subtleties inside the objects themselves. And I'm not talking about the
>>>>>> "cultural" use which is something I believe makes quite a difference even
>>>>>> in the Pd x Max world (when they both sound quite similar).
>>>>>>
>>>>>> cheers
>>>>>>
>>>>>> 2016-02-15 13:54 GMT-02:00 Andy Farnell <padawan12 at obiwannabe.co.uk>:
>>>>>>
>>>>>>>
>>>>>>> Good list of technical peculiarities Claude. For me, the "sound" is
>>>>>>> those
>>>>>>> quirks combined with how Chris describes a "cultural" or
>>>>>>> "contextual" use.
>>>>>>> I used to be great at knowing the sound of software or hardware
>>>>>>> sources
>>>>>>> and could spot Reaktor, or a Roland analogue in moments. But
>>>>>>> emulations
>>>>>>> got better and my ears got older, and maybe I began to care less
>>>>>>> about
>>>>>>> implementation and more about artistic intent. As Chris says,
>>>>>>> different tools tend to make you think and work in certain patterns,
>>>>>>> and I think it is this more than anything that constitutes a "sound".
>>>>>>>
>>>>>>> cheers
>>>>>>> Andy
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Pd-list at lists.iem.at mailing list
>>>>>>> UNSUBSCRIBE and account-management ->
>>>>>>> http://lists.puredata.info/listinfo/pd-list
>>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Pd-list at lists.iem.at mailing list
>>>>>> UNSUBSCRIBE and account-management ->
>>>>>> http://lists.puredata.info/listinfo/pd-list
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20160216/b072a5ba/attachment-0001.html>


More information about the Pd-list mailing list