[L2Ork-dev] Bug with high pass and band pass filters

Ivica Ico Bukvic ico at vt.edu
Mon Jan 26 04:28:55 UTC 2015

Forgot to mention, svf~ acts the same way in your patch. Are you sure 
everything works as expected in the abstractions you're using?

Also, have you checked with Miller and if so, what was his response?



On 01/25/2015 11:24 PM, Ivica Ico Bukvic wrote:
> Thanks, Gilberto. Even with the d_filter.c being essentially 
> synonymous with pd vanilla (latest version), the problem apparently 
> persists. I am not sure why. Essentially, the behavior is the same in 
> both the latest version of pd vanilla and the one we currently have in 
> pd-l2ork. Did you see it behave differently in vanilla? If so, what 
> version were you using and can you please create a video of that 
> version running the same patch?
> Best,
> Ico
> On 01/24/2015 08:47 PM, Gilberto Agostinho wrote:
>> Hi Ico,
>> Thanks for the quick fixes, I will be happy to have a look on it. The 
>> only thing is I never compiled pd-l2Ork from source (I only used 
>> debian packages made by others for it), and on my first try I got 
>> some error messages. I am travelling the whole day tomorrow so I am a 
>> bit busy now to try figuring out what I am doing wrong, but I can 
>> certainly do this once I get home. However, I prepared a simple patch 
>> that can be used to test the filters, together with a video of the 
>> current behaviour with my build:
>> https://www.dropbox.com/sh/m4vsko1th5ppgnw/AABWywJqu88_ZEdp_pk3yQdda?dl=0 
>> http://youtu.be/5nIJIWhqusk
>> Take care,
>> Gilberto
>> On 24/01/15 21:11, Ivica Ico Bukvic wrote:
>>> Gilberto,
>>> I just committed experimental fix into git. Can you please test and 
>>> report if this is now fixed?
>>> Best,
>>> Ico
>>> On 01/22/2015 01:12 PM, Gilberto Agostinho wrote:
>>>> Hello all,
>>>> Today an user discovered a bug with the high and bang pass filters 
>>>> in Pd 0.43.4-extended and the same bug is present in Pd-l2Ork. The 
>>>> same user informs that Pd vanilla 0.45.4 does not display these bugs.
>>>> In case you want to have a look on this issue, here is his bug 
>>>> ticket: https://sourceforge.net/p/pure-data/bugs/1187/
>>>> And here is the thread where this was discussed: 
>>>> http://forum.pdpatchrepo.info/topic/8967/highpass-hip-not-working-as-expected
>>>> Best,
>>>> Gilberto Agostinho
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Ivica Ico Bukvic, D.M.A.
Associate Professor
Computer Music
ICAT Senior Fellow
Virginia Tech
School of Performing Arts - 0141
Blacksburg, VA 24061
(540) 231-6139
ico at vt.edu

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