Dear Gloria, You could have a look at Piro that is currently under development:
> On 11 Apr 2021, at 17:25, Marco Matteo Markidis <[email protected] > <mailto:[email protected]>> wrote: > > Dear all, > > I would like to announce the release of *piro*[1]. > Piro is a Pd-port of an impulse-response measurement object and a zero > latency convolver from the HISSTools Impulse Response Toolbox (HIRT). > Moreover in the package it is included a general-purpose object that contains > several utilities for managing IRs; this is still in progress. > Source code and binary for major architectures are provided. > For any questions about the Pd version of these objects please do not > hesitate to contact me. > Moreover in the readme there is a link for the original project, where you > can find an article that describes the original package and its utilities. > > Finally I would like to thank Lucas Cordiviola and Giuseppe Silvi for their > patience with this project. > > Best, > Marco > > [1]: https://github.com/d-i-s/piro <https://github.com/d-i-s/piro> Best! Edwin > On 3 May 2021, at 18:27, Gloria Dal Santo <[email protected]> wrote: > > Hi everyone, > > After playing with partconv~ in other to implement a patch for sound > externalization I am asking myself whether what I am trying to do is maybe > too much for pure data or not. > > To sum up, I need to convolve a sound file with a BRIR that is updated > whenever the listener moves his head, so that to simulate a fixed sound > source. > I already have a dataset of 36 impulse responses, each of size 8192 samples. > > [partconv~] allows to change the impulse response by sending a [set ir_name( > message. (For [convolve~] the message would be [set ir_name( ). > Unfortunately, as soon as I send the [set _ ( message the audio stopes for a > little while. Why is it so? I tried to dig into the code and I guess is > simply because the buffers are freed when the set method is called. > > I tried to define larger buffers so that I can store multiple BRIRs and have > access to them without freeing the buffers (even though extra care must be > taken in the perform method) but I think I don’t have enough coding skills to > do that. > > I then tried to use 5 [partconv~]s for each channel (thus 10 [partconv~]s) > running at the same time with different BRIRs and multiplexing between them. > The idea is that of switching between the outputs of the [partconv~] that are > not updating their BRIRs, while one of the [partconv~] is actually updating > it according to the direction of the head. > To achieve this I’m using the [mux~] object. > The idea seems working, but it actually doesn’t. When I switch between > [mux~] inputs sometimes I get clicks. On the spectrogram these look like > vertical lines of constant values (like noise). > What could be the reason? Do you think that having 10 [partconv~] running at > the same time is too much? > > Thank you in advance for your time, > With my best regard, > > Gloria > > _______________________________________________ > Pd-dev mailing list > [email protected] <mailto:[email protected]> > https://lists.puredata.info/listinfo/pd-dev > <https://lists.puredata.info/listinfo/pd-dev>
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