<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear Gloria,<div class=""><br class=""></div><div class="">You could have a look at Piro that is currently under development:</div><div class=""><br class=""></div><div class=""><div class=""></div><blockquote type="cite" class=""><div class="">On 11 Apr 2021, at 17:25, Marco Matteo Markidis <<a href="mailto:mm.markidis@gmail.com" class="">mm.markidis@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="">Dear all,</div><div class=""><br class=""></div><div class="">I would like to announce the release of *piro*[1].</div><div class="">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.</div><div class="">Source code and binary for major architectures are provided.</div><div class="">For any questions about the Pd version of these objects please do not hesitate to contact me. <br class=""></div><div class="">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.</div><div class=""><br class=""></div><div class="">Finally I would like to thank Lucas Cordiviola and Giuseppe Silvi for their patience with this project.</div><div class=""><br class=""></div><div class="">Best,</div><div class="">Marco</div><div class=""><br class=""></div><div class="">[1]: <a href="https://github.com/d-i-s/piro" class="">https://github.com/d-i-s/piro</a></div></div></div></blockquote><div class=""><div dir="ltr" class=""><div class=""><br class=""></div></div></div><div>Best!</div><div><br class=""></div><div>Edwin</div><div><br class=""></div><div><br class=""><blockquote type="cite" class=""><div class="">On 3 May 2021, at 18:27, Gloria Dal Santo <<a href="mailto:gloria.dalsanto@outlook.it" class="">gloria.dalsanto@outlook.it</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Hi everyone,<span class="Apple-converted-space"> </span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I already have a dataset of 36 impulse responses, each of size 8192 samples.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">[partconv~] allows to change the impulse response by sending a [set ir_name( message. (For [convolve~] the message would be [set ir_name( ).<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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.<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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. <o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">To achieve this I’m using the [mux~] object.<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">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).<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">What could be the reason? Do you think that having 10 [partconv~] running at the same time is too much?<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Thank you in advance for your time,<o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">With my best regard,<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Gloria<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""> <o:p class=""></o:p></div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Pd-dev mailing list</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><a href="mailto:Pd-dev@lists.iem.at" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">Pd-dev@lists.iem.at</a><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><a href="https://lists.puredata.info/listinfo/pd-dev" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">https://lists.puredata.info/listinfo/pd-dev</a></div></blockquote></div><br class=""></div></body></html>