# Latest

**URL:** https://forum.csound.com/latest.md

[Latest](https://forum.csound.com/latest.md) · [Categories](https://forum.csound.com/categories.md) · [Tags](https://forum.csound.com/tags.md)

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## [Welcome to Discourse](https://forum.csound.com/t/welcome-to-discourse/7)

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**Author:** [@system](https://forum.csound.com/u/system)\
**Replies:** 0\
**Last updated:** [December 30, 2020, 4:17am UTC](https://forum.csound.com/t/welcome-to-discourse/7 "2020-12-30T04:17:26Z")

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The first paragraph of this pinned topic will be visible as a welcome message to all new visitors on your homepage. It’s important! Edit this into a brief description of your community: Who is it for? What can they fi…

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## [Scanu2 negative id](https://forum.csound.com/t/scanu2-negative-id/2505)

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**Author:** [@piripero013](https://forum.csound.com/u/piripero013)\
**Replies:** 4\
**Last updated:** [October 1, 2026, 5:33pm UTC](https://forum.csound.com/t/scanu2-negative-id/2505 "2026-10-01T17:33:50Z")

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Hello everyone, I was experimenting with scanned synthesis and I don’t understand an error I am getting. This is the code: \<CsoundSynthesizer\> \<CsOptions\> -odac \</CsOptions\> \<CsInstruments\> sr = 44100 ksmps = 64 nch…

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## [Launched an open beta for a csound-based vst3/wam generator, looking for feedback if allowed!](https://forum.csound.com/t/launched-an-open-beta-for-a-csound-based-vst3-wam-generator-looking-for-feedback-if-allowed/2491)

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**Author:** [@Lovre](https://forum.csound.com/u/Lovre)\
**Replies:** 5\
**Last updated:** [September 30, 2026, 2:40pm UTC](https://forum.csound.com/t/launched-an-open-beta-for-a-csound-based-vst3-wam-generator-looking-for-feedback-if-allowed/2491 "2026-09-30T14:40:00Z")

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hi everyone! i wanted to ask if it’s okay for me to share a commercial project i’ve been working on for about a year now? i just launched the open beta and, since it’s entirely built around Csound, i really wanted to ch…

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## [Problem with resizing table during performance using f-statement](https://forum.csound.com/t/problem-with-resizing-table-during-performance-using-f-statement/2373)

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**Author:** [@Lovre](https://forum.csound.com/u/Lovre)\
**Replies:** 2\
**Last updated:** [September 30, 2026, 11:51am UTC](https://forum.csound.com/t/problem-with-resizing-table-during-performance-using-f-statement/2373 "2026-09-30T11:51:07Z")

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Im getting a runtime memory error when trying to resize table to a non-power\_of\_2 size although I put a minus in f statement: csound.inputMessage(\`f 1 0 -132320 -2 0\`); Console output: Loading 132320 samples into tabl…

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## [Song with tabla and flute](https://forum.csound.com/t/song-with-tabla-and-flute/2556)

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**Author:** [@Thomas](https://forum.csound.com/u/Thomas)\
**Replies:** 2\
**Last updated:** [September 27, 2026, 8:25pm UTC](https://forum.csound.com/t/song-with-tabla-and-flute/2556 "2026-09-27T20:25:29Z")

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I created this song in the “Buddha Bar” chillout style, with an analog simulation of a tabla and a flute and a few other instruments, approx. 7 minutes long. I used the skills integration in Orchestron to create the inst…

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## [Midi preprocessor](https://forum.csound.com/t/midi-preprocessor/2554)

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**Author:** [@Eric\_Dexter1](https://forum.csound.com/u/Eric_Dexter1)\
**Replies:** 0\
**Last updated:** [September 23, 2026, 1:34pm UTC](https://forum.csound.com/t/midi-preprocessor/2554 "2026-09-23T13:34:22Z")

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I have a midi preprocessor that is a drum tab like but csound like. I have ratchets, accelerations, decelerations, lfo rhythms that compile to midi. right now it is just tied to midi drum notes but I can pretty much do…

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## [List of possible csound error messages for custom language server](https://forum.csound.com/t/list-of-possible-csound-error-messages-for-custom-language-server/2539)

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**Author:** [@wavesinaroom](https://forum.csound.com/u/wavesinaroom)\
**Replies:** 10\
**Last updated:** [September 16, 2026, 2:22am UTC](https://forum.csound.com/t/list-of-possible-csound-error-messages-for-custom-language-server/2539 "2026-09-16T02:22:23Z")

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Hi! I’m writing a language server for Csound and I’ve been removing pieces of code here and there to check which errors Csound throws. I’ve found three main error types that I’ve already included in my unit tests but I’…

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## [Orchestron 2.0.2 released](https://forum.csound.com/t/orchestron-2-0-2-released/2546)

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**Author:** [@Thomas](https://forum.csound.com/u/Thomas)\
**Replies:** 0\
**Last updated:** [September 13, 2026, 5:35pm UTC](https://forum.csound.com/t/orchestron-2-0-2-released/2546 "2026-09-13T17:35:37Z")

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Version 2.0.2 of the visual csound platform Orchestron has been released, with lots of new functionality: Per-performance instrument controls let you adjust envelopes, distortion, and other parameters independently fo…

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## [Demo Songs](https://forum.csound.com/t/demo-songs/2544)

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**Author:** [@Thomas](https://forum.csound.com/u/Thomas)\
**Replies:** 0\
**Last updated:** [September 12, 2026, 4:51pm UTC](https://forum.csound.com/t/demo-songs/2544 "2026-09-12T16:51:41Z")

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Is there a space where I could upload a CSD of a track I created? Thomas

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## [How to run csound command to check code only?](https://forum.csound.com/t/how-to-run-csound-command-to-check-code-only/2526)

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**Author:** [@wavesinaroom](https://forum.csound.com/u/wavesinaroom)\
**Replies:** 2\
**Last updated:** [August 20, 2026, 2:17am UTC](https://forum.csound.com/t/how-to-run-csound-command-to-check-code-only/2526 "2026-08-20T02:17:30Z")

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Hi community! I’m learning how to write LSP servers from this tutorial and I will need to evaluate csound code with its csound command. My issue now is that I couldn’t find a flag that could run csound dry without doing…

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## [Dealing with audio buffer underruns and thread blocking when polling external web data in Csound](https://forum.csound.com/t/dealing-with-audio-buffer-underruns-and-thread-blocking-when-polling-external-web-data-in-csound/2524)

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**Author:** [@byte\_vector\_579](https://forum.csound.com/u/byte_vector_579)\
**Replies:** 1\
**Last updated:** [August 14, 2026, 7:14pm UTC](https://forum.csound.com/t/dealing-with-audio-buffer-underruns-and-thread-blocking-when-polling-external-web-data-in-csound/2524 "2026-08-14T19:14:20Z")

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I have been working on a small background utility in Csound that monitors online utility metrics and triggers ambient audio notifications and sonified alerts whenever reference data updates. I wrote a Python opcode routi…

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## [Python error: unknown rtaudio module: 'PortAudio', using dummy modulertaudio: dummy module enabled](https://forum.csound.com/t/python-error-unknown-rtaudio-module-portaudio-using-dummy-modulertaudio-dummy-module-enabled/2005)

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**Author:** [@james](https://forum.csound.com/u/james)\
**Replies:** 3\
**Last updated:** [August 13, 2026, 9:25pm UTC](https://forum.csound.com/t/python-error-unknown-rtaudio-module-portaudio-using-dummy-modulertaudio-dummy-module-enabled/2005 "2026-08-13T21:25:31Z")

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Hi everyone I’m trying to run the following Python script involving ctsound: beispiel 1: eine .csd datei mit dem “csound performance thread” abspielen dieses beispiel spielt “endlos” … stoppen rechts unten mit klick a…

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## [Csoundqt flatpak for csound 7](https://forum.csound.com/t/csoundqt-flatpak-for-csound-7/2521)

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**Author:** [@eduardomoguillansky](https://forum.csound.com/u/eduardomoguillansky)\
**Replies:** 0\
**Last updated:** [August 8, 2026, 3:49pm UTC](https://forum.csound.com/t/csoundqt-flatpak-for-csound-7/2521 "2026-08-08T15:49:51Z")

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Hi all, just a quick note to say that there is now a flatpak version of CsoundQt (for linux, only x86\_64 at the moment). The flatpak includes the latest csound 7 version available at the time it is built, and it will be…

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## [A new piece with an important contribute of Csound](https://forum.csound.com/t/a-new-piece-with-an-important-contribute-of-csound/2493)

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**Author:** [@Gppp](https://forum.csound.com/u/Gppp)\
**Replies:** 0\
**Last updated:** [June 9, 2026, 8:32am UTC](https://forum.csound.com/t/a-new-piece-with-an-important-contribute-of-csound/2493 "2026-06-09T08:32:42Z")

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Hi everyone, I just finished a piece with many sounds created using Csound: phase modulations, filterings and convolutions. I would be very honoured if you would listen to it. Here is the link: Drei Romantische Stücke…

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## [Csound conference 2026](https://forum.csound.com/t/csound-conference-2026/2225)

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**Author:** [@Lovre](https://forum.csound.com/u/Lovre)\
**Replies:** 2\
**Last updated:** [April 28, 2026, 6:22pm UTC](https://forum.csound.com/t/csound-conference-2026/2225 "2026-04-28T18:22:17Z")

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Do we have any specific dates for the next Csound conference? Is Palermo still our main candidate?

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## [CsoundQt 7 not Running](https://forum.csound.com/t/csoundqt-7-not-running/2468)

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**Author:** [@piripero013](https://forum.csound.com/u/piripero013)\
**Replies:** 9\
**Last updated:** [April 25, 2026, 2:32pm UTC](https://forum.csound.com/t/csoundqt-7-not-running/2468 "2026-04-25T14:32:11Z")

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Hello everyone! Some weeks ago I downloaded CsoundQt 7 from the Github page and I worked with it without any problems but, all of a sudden, it just stopped running a few days ago, it simply crash at the beginning. I am …

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## [Read score section in an external file with CSound command line file](https://forum.csound.com/t/read-score-section-in-an-external-file-with-csound-command-line-file/2471)

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**Author:** [@wavesinaroom](https://forum.csound.com/u/wavesinaroom)\
**Replies:** 2\
**Last updated:** [April 24, 2026, 1:28pm UTC](https://forum.csound.com/t/read-score-section-in-an-external-file-with-csound-command-line-file/2471 "2026-04-24T13:28:36Z")

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Hi! I’m looking for a way to integrate CSound with Composers Desktop Project to make it work like a DAW with Tabula Vigilans (Composers Desktop Project language) or Clojure. I was wondering if CSound command line can re…

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## [pvsanal iinit parameter](https://forum.csound.com/t/pvsanal-iinit-parameter/2455)

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**Author:** [@rodo](https://forum.csound.com/u/rodo)\
**Replies:** 0\
**Last updated:** [April 1, 2026, 4:45pm UTC](https://forum.csound.com/t/pvsanal-iinit-parameter/2455 "2026-04-01T16:45:21Z")

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Hi. I read on the help page for pvsanal "(fsig pvsanal ain, ifftsize, ioverlap, iwinsize, iwintype \[, iformat\] \[, iinit\] iinit – (optional) Skip reinitialization. This is not currently implemented for any of these opco…

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## [Wave format not recognized on Windows](https://forum.csound.com/t/wave-format-not-recognized-on-windows/2446)

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**Author:** [@wavesinaroom](https://forum.csound.com/u/wavesinaroom)\
**Replies:** 7\
**Last updated:** [March 22, 2026, 7:43pm UTC](https://forum.csound.com/t/wave-format-not-recognized-on-windows/2446 "2026-03-22T19:43:18Z")

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I’ve been trying to play a sample with CSound without a frontend in multiple ways but failed. The output says this: INIT ERROR in instr 1 (opcode diskin) line 16: diskin2: samples/snaredrum .wav: failed to open file: Fo…

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## [Absolutely newbie with csoundQt frontend - Audio output proble](https://forum.csound.com/t/absolutely-newbie-with-csoundqt-frontend-audio-output-proble/2438)

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**Author:** [@musicainbasso](https://forum.csound.com/u/musicainbasso)\
**Replies:** 6\
**Last updated:** [March 13, 2026, 1:58pm UTC](https://forum.csound.com/t/absolutely-newbie-with-csoundqt-frontend-audio-output-proble/2438 "2026-03-13T13:58:27Z")

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A said first use of csoundqt frontend. Tryed all the “Realtime Audio” combinations of input device and output device. No sound in the first example csoundQt offers. Better to try Cabbage? Thanks

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## [Orchestron on Windows](https://forum.csound.com/t/orchestron-on-windows/2436)

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**Author:** [@Thomas](https://forum.csound.com/u/Thomas)\
**Replies:** 0\
**Last updated:** [March 13, 2026, 8:50am UTC](https://forum.csound.com/t/orchestron-on-windows/2436 "2026-03-13T08:50:10Z")

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Hi, I finally managed to get Orchestron running on Windows, too, installation instructions see: I would be glad to get feedback if it worked on your machines (I’m mostly MacOS focused) and if anything is missing from …

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## [Please help find old versions 6.01 to 6.05 csoundforadndroid.zip](https://forum.csound.com/t/please-help-find-old-versions-6-01-to-6-05-csoundforadndroid-zip/2430)

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**Author:** [@Pav](https://forum.csound.com/u/Pav)\
**Replies:** 1\
**Last updated:** [March 12, 2026, 10:42pm UTC](https://forum.csound.com/t/please-help-find-old-versions-6-01-to-6-05-csoundforadndroid-zip/2430 "2026-03-12T22:42:06Z")

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I try to resurrect and compile old android app project which used some old version csoundandroid for Eclipse ADT, somewhere between 6.01 to 6.05 versions. But i can\`t find it, and link to older versions archive is not w…

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## [Orchestron visual CSound platform](https://forum.csound.com/t/orchestron-visual-csound-platform/2404)

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**Author:** [@Thomas](https://forum.csound.com/u/Thomas)\
**Replies:** 4\
**Last updated:** [March 12, 2026, 10:25pm UTC](https://forum.csound.com/t/orchestron-visual-csound-platform/2404 "2026-03-12T22:25:14Z")

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Hi, I tested the capabilities of openAI Codex and created the following app within a few days. Feel free to try it out and give feedback :slight\_smile: Repo: GitHub - thomassresearch/orchestron: Orchestron is a visual…

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## [Lost file](https://forum.csound.com/t/lost-file/1969)

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**Author:** [@Pedro](https://forum.csound.com/u/Pedro)\
**Replies:** 3\
**Last updated:** [March 5, 2026, 8:32am UTC](https://forum.csound.com/t/lost-file/1969 "2026-03-05T08:32:27Z")

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Urgent problem. I was doing a piece of work for a subject for university using csound. I was using csoundQt when out of nowhere the program closed. Even tho I had saved the file, both on Qt and my computer, it’s now appa…

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## [Csound.start() directly starts performance](https://forum.csound.com/t/csound-start-directly-starts-performance/2366)

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**Author:** [@Lovre](https://forum.csound.com/u/Lovre)\
**Replies:** 4\
**Last updated:** [January 23, 2026, 8:00am UTC](https://forum.csound.com/t/csound-start-directly-starts-performance/2366 "2026-01-23T08:00:48Z")

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Dear Csounders! in JS, when I execute await csound.start(); my csound object directly starts with performance but in docs (https://www.npmjs.com/package/@csound/browser#CsoundObj.start) it says that it “Prepares Csound …

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## [Csound MIDI ](https://forum.csound.com/t/csound-midi/2358)

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**Author:** [@tor99](https://forum.csound.com/u/tor99)\
**Replies:** 1\
**Last updated:** [January 4, 2026, 10:32pm UTC](https://forum.csound.com/t/csound-midi/2358 "2026-01-04T22:32:07Z")

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Hi, I want to know how is the method to import a MIDI file in Csound? tor99.

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## [Opcode sample accuracy reporting issue](https://forum.csound.com/t/opcode-sample-accuracy-reporting-issue/2351)

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**Author:** [@bsnacks](https://forum.csound.com/u/bsnacks)\
**Replies:** 0\
**Last updated:** [December 29, 2025, 6:27pm UTC](https://forum.csound.com/t/opcode-sample-accuracy-reporting-issue/2351 "2025-12-29T18:27:28Z")

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Hi, I’m in the process of writing csound plugins to prototype/test a standalone dsp library I’ve been developing to good effect, but am running into some trouble being able to verify sample accurate offsets from the eng…

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## [Build Csound version7 as a static library](https://forum.csound.com/t/build-csound-version7-as-a-static-library/2349)

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**Author:** [@CCC](https://forum.csound.com/u/CCC)\
**Replies:** 4\
**Last updated:** [December 23, 2025, 8:38am UTC](https://forum.csound.com/t/build-csound-version7-as-a-static-library/2349 "2025-12-23T08:38:51Z")

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I would like to know if we could build Csound version 7 as a static library. My intention is to embed Csound as an addon in openFrameworks. For this purpose, I built Csound as a static library, including other external …

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## [How to get ASCII from multiple pressed keys](https://forum.csound.com/t/how-to-get-ascii-from-multiple-pressed-keys/2346)

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**Author:** [@Jstoro](https://forum.csound.com/u/Jstoro)\
**Replies:** 0\
**Last updated:** [December 13, 2025, 2:59pm UTC](https://forum.csound.com/t/how-to-get-ascii-from-multiple-pressed-keys/2346 "2025-12-13T14:59:04Z")

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Hi guys! I’m trying to make an instrument where I can change some parameters when two keys from the PC keyboard are pressed. For instance, I want to alter some kIdx variable that affects a parameter kParam when I press …

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## [What's your favorite reverb in Csound](https://forum.csound.com/t/whats-your-favorite-reverb-in-csound/2319)

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**Author:** [@Sungmin\_Park](https://forum.csound.com/u/Sungmin_Park)\
**Replies:** 9\
**Last updated:** [December 2, 2025, 2:12pm UTC](https://forum.csound.com/t/whats-your-favorite-reverb-in-csound/2319 "2025-12-02T14:12:19Z")

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I’ve been using csound7 lately. While using the csound7 API, I got the message “warning: opcode reverbsc is deprecated” when I tried to use reverbsc(This message does not appear in csound7 cli). I was surprised. Rever…

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