News on Matthias Kronlachner

Erdvinės vielos – Stovinčios bangos (Spatial Wires – Standing Waves)

Sat, 10 Oct 2026 09:58:49 +0200

Recordings from 3 different days of the performance
(Binaural rendering – listen with headphones, recorded with Spcmic at a fixed listening position):

If you are around Klaipėda check out my performance / sound installation as part of the festival Permainų muzika [1] at HANZA verslo centras [2].

Spatial audio in Lithuania – loudspeaker installations and concerts 2013–2026

Thu, 01 Oct 2026 15:00:00 +0200

Since I came to Vilnius as an ERASMUS student in 2012, I have set up loudspeaker domes and spatial audio systems in all kinds of places in Lithuania – from a historic observatory to the National Philharmonic Hall. A look back, from my talk at Raum und Klang 2026.

2013 – a sphere for the music academy

During my ERASMUS year at the Lithuanian Academy of Music and Theatre (LMTA), the plan for the new Music Innovation Studies Centre was already there: EU funding for a spatial audio and recording room – the sphere – plus a mixing room, a lecture room and a co-working space. Building it took some time.

Raum und Klang 2026 – Zimmt Leipzig

Sun, 27 Sep 2026 08:40:00 +0200

I was happy to finally visit Zimmt in Leipzig and present the recent additions to mcfx and ambiX, as well as perform my piece “Spatial Echos from NYC” for clarinet and electric bass!

https://zimmt.net/raum-klang-2026/

mcfx_send and mcfx_receive – multichannel audio over the network

Tue, 01 Sep 2026 16:00:00 +0200

Two new plug-ins in the mcfx suite: mcfx_send and mcfx_receive stream lossless multichannel audio over a wired network – from one computer to another, or from one DAW to another on the same machine. Both also come as standalone apps, so no DAW is needed. Low latency, automatic discovery, optional password protection.

The goal: set up in seconds, no frills, it just works.

mcfx_send

mcfx_receive

Why

They were made for spatial audio jam sessions and concerts, where several people bring their laptops and everything has to end up on one loudspeaker system. Proprietary audio-over-network solutions caused a fair share of problems there: license trouble even after buying one, drivers that stop working after an OS update, endpoints that aren’t discovered. They are built for hardware units, not for laptops. JackTrip needs JACK; SonoBus does much more than needed and costs a lot of CPU.

reaper_ambix – read/write .ambix files - lossless and lossy Ambisonic compression, loudness normalization, ...

Tue, 01 Sep 2026 12:00:00 +0200

reaper_ambix is a free extension for the REAPER DAW that reads and writes .ambix files – the Ambisonics exchange format (C. Nachbar, F. Zotter, E. Deleflie, A. Sontacchi, ambiX – A Suggested Ambisonics Format, Ambisonics Symposium, Lexington, 2011) that goes with the ambiX plug-ins – and adds a few tools for working with Ambisonic sessions. I started it in 2014 and recently gave it a major update.

.ambix as render format and media type

Files can be written as uncompressed CAF, lossless WavPack, or lossy WavPack in hybrid mode at 6, 4 or 3 bits per sample. The noise floor of the lossy mode follows each channel’s level, so the quiet higher-order channels stay quiet and the result survives decoding and rotation.

Dome loudspeaker layout generator – plan an Ambisonic dome in the browser

Sat, 01 Aug 2026 13:00:00 +0200

How many loudspeakers on which rings, at what elevation – and where do they actually go on the truss or the walls of the room? The Dome Loudspeaker Layout Generator is a free web app that answers these questions when setting up an Ambisonic loudspeaker dome, and exports the result straight into the IEM AllRADecoder. It runs entirely in your browser; if it doesn’t load there, use the fallback on Streamlit Cloud.

Live electronics for Salonen's Cello Concerto – Nicolas Altstaedt and LNSO in Vilnius

Tue, 29 Oct 2024 19:00:00 +0100

On 29 October 2024 I performed live electronics for the Lithuanian premiere of Esa-Pekka Salonen’s Cello Concerto, with Nicolas Altstaedt as soloist and the Lithuanian National Symphony Orchestra (LNSO) conducted by Modestas Pitrėnas, at the Lithuanian National Philharmonic in Vilnius, as part of the Gaida festival.

In the concerto, the electronics sample the solo cello live and turn it into echoes and textures – the cellist’s own lines return, layered, around the orchestra.

Headtracking for Binaural Ambisonic Playback

Fri, 02 May 2014 07:04:17 +0200

Here is a short tutorial about an inexpensive headtracking solution which you can use to improve the binaural listening experience with the ambix Ambisonic tools. The calibration software is currently Windows only, but the Pd patch is naturally cross-platform.

It uses the headtracker described here by Dennis Frie: http://www.rcgroups.com/forums/showthread.php?t=1677559
Parts: arduino nano, GY-85 sensor board.

A Pure Data patch provided by me receives the serial data from the Arduino based headtracker and sends OSC messages to the host of your choice. In this case I will describe the use within the digital audio workstation Reaper.

ahead festival – observatory concert

Thu, 14 Nov 2013 22:20:27 +0100

As part of the ahead festival, the first public concerts will be held in the loudspeaker sphere of the VU observatory. Due to the limited space there will be three performances and registration for each date/time will be limited.
Entrance is free.

dates:
Thursday, November 21st – 19:00
Friday, November 22nd – 17:00, 19:00 and 21:00
additional date: Tuesday, December 3rd – 17:00 and 19:00

entrance free but please register: http://doodle.com/wsgbze2chat8gfcg

location:
Astronomical Observatory of the Vilnius University
M.K.Čiurlionio g. 29 (the last building in direction of Vingio parkas)
Map: http://goo.gl/maps/4wKD1

concert program:

Helene Hedsund (SE) – Miškas (2012)
Lukrecija Petkute (LT) – Dvi burnos (2013)
Aistė Vaitkevičiūtė (LT) – Spheral Motions (2013)
Jurgis Jarašius (LT) – Martlet (2013)
Julius Aglinskas (LT) – Within (2013)
Matthias Kronlachner (AT) – Table top (2013)
Domas Ruškys (LT) – In my circle (2013)
Ignas Juzokas (LT) – Gabalai (2013)
Gerriet K. Sharma (DE) – I_LAND (excerpt) (2007-2009)

Download the concert flyer as .pdf

This concert would not be possible without the substantial support of some people:

Vladas Vansevičius from the Astronomical Observatory of Vilnius University for providing the facilities!
Jurgis Jarašius for his help in setting up the loudspeaker system and cleaning up the observatory!
The Music Innovation Studies Centre of LMTA – Tadas Dailyda, Ričardas Kabelis and Mantautas Krukauskas.
Ignas Juzokas for lending various equipment!
The Institute of Electronic Music and Acoustic for their AllRad Ambisonics decoders.

Award for best art exhibit at the ICT 2013

Tue, 12 Nov 2013 10:44:43 +0100

The Music Innovation Studies Centre Vilnius (MiSC) [1] in cooperation with the Institute of Electronic Music and Acoustics (IEM) Graz [2] received the award for the best art exhibit at the Information and Communication Technology fare from the European Commission in Vilnius.

The team from MiSC set up a sound sphere with 15 loudspeakers around and above the stage area.
Demonstrations about the Ambisonics spatialization technology and compositions by Gerriet K. Sharma [3] and Jurgis Jarašius on stage as well as the Eigenmike® beamforming in combination with the 360deg “extended view” [4] camera by Marian Weger and Peter Venus convinced the audience.

Loudspeaker Sphere Observatory Vilnius University

Sun, 20 Oct 2013 16:43:40 +0200

In cooperation with composition students of the Lithuanian Academy of Music and Theatre we are installing a 23 speaker loudspeaker sphere in the big tower of The Astronomical Observatory of Vilnius University. (Map: http://goo.gl/maps/4wKD1)

The first concert will be on November 21st 19:00 and November 22nd 19:00 and 21:00.
Entrance is free but please register here: http://doodle.com/6452iic4uuvtuczr

This is a (yet not very big) collection of information regarding this project.

Music for fountains

Tue, 17 Sep 2013 20:55:44 +0200

Saturday, September 21st the second edition of muzika fontanams will be shown in Druskininkai, Lithuania.

I will present my live performance “spread!”, for 8 channel live electronics, lights and fountain.

For preparation have a look at the last performance: http://vimeo.com/66677493

Pieces for 8 channel sound, and a fountain with 141 led lights and 10 water pumps will also be presented by
Marius Čivilis, Tadas Dailyda, Jurgis Jarašius, Ignas Juzokas, Mykolas Natalevičius, Lukrecija Petkutė, Domas Ruškys, Marius Salynas and Dainius Veršulis.

LAC 2013 – Ambisonics plug-in suite for production and performance usage

Sat, 11 May 2013 02:57:51 +0200

Today i held my presentation about the ambix Ambisonics audio plug-ins at the Linux Audio Conference in Graz. This plug-in suite features cross-plattform Ambisonics tools for converting between different channel sequences and normalization schemes, encoding up to 7th order, rotating Ambisonics signals and binaural decoding with various virtual loudspeaker configurations in different venues.

The software has to be polished and will be released hopefully soon.

In the meantime you may have a look at the
[ paper ] or [ slides ].

3mal3 – network concert

Mon, 21 May 2012 23:20:57 +0200

electronic music and network bridge concert

3mal3 – in the net
Wednesday, 23rd of May, 2012

live from Restoranas Jalta¹ – Vilnius – 22:00
Matthias Kronlachner – electronics, sample piano, clarinet
Can Kazaz – electronics, recorder, toys

live from Postgarage² Graz – 21:00
David Pirrò – electronics, keyboards
Peter Venus – electronics, french horn
Marian Weger – electronics, zither

documentation :: übersetzen – vertimas

Wed, 25 Apr 2012 21:07:40 +0200

Have a look at the trailer of the piece for dancer, sound and projection übersetzen – vertimas:

Sound optimized for headphone playback

technical details

übersetzen – vertimas | piece for dancer, sound and projection

Tue, 10 Apr 2012 23:36:56 +0200

Greta Grinevičiūtė - dance

For the JAUNA MUZIKA¹ 2012 Festival in Vilnius – Lithuania, I’m preparing the piece Übersetzen – vertimas for dancer, sound and projection.

Sunday, April 15th, 2012 – 16.00
LMTA Chamber Hall, Building 2 – Tilto str. 16, Vilnius

Greta Grinevičiūtė – dance
Aira Naginevičiūtė – choreography
Matthias Kronlachner – technology, sound

IEM Computermusic Ensemble Concert Graz and Vilnius

Tue, 13 Mar 2012 17:22:32 +0100

On Tuesday, March 20th, 2012 will be the next concert of ICE – IEM Computermusic Ensemble. This networkconcert will be held in two locations at the same time. Listen to it in Graz – Austria or Vilnius – Lithuania.
LMTA¹ central building – Room 306, Vilnius
IEM² Cube – Graz

Announcement in lithuanian language
Announcement in english language

concert starts at
20:00 Graz local time
21:00 Vilnius local time

“extended fields” – ICE (IEM Computermusic Ensemble)

Musicians:
– Jamilla Ballint
– Clara Hollomey
– Wen Liu
– Peter Venus
– Marian Weger
– Matthias Kronlachner (remote from Vilnius)
– Uluğ Can Kazaz (remote from Vilnius)
– guest: Daniel Hojka

Director: Winfried Ritsch

4 room concert @ Rondo Graz

Mon, 28 Nov 2011 13:43:49 +0100

Wednesday, November 30th 2011 there will be a music performance with David Pirrò, Marian Weger, Peter Venus and Matthias Kronlachner at the birthday party of the Rondo Ateliers.
For this event we gonna perform in four separated rooms – the listener can choose between listening to one musician solo or enjoy the concert in a separate area where everybody can be heard, but nobody seen.

Trailer of the concert:

(binaural recording – listen with headphones)

4 channel recording:

(listen to this if you have 4 speakers connected to your computer)

roundabout flyer

Maschinenhalle #1 @ Semperdepot Vienna

Wed, 16 Nov 2011 17:01:56 +0100

Friday, Nov. 18th and Saturday Nov. 19th will be the performance of Maschinenhalle #1 by Christine Gaigg, Bernhard Lang, Winfried Ritsch and Philipp Harnoncourt.

12 dancers playing 12 automatic pianos with their 12 sounding plates.

Homepage Wien Modern

Kinect Headtracking with OSC Support

Thu, 20 Oct 2011 21:11:54 +0200

based on
Real Time Head Pose Estimation from Consumer Depth Cameras by Gabriele Fanelli ¹

======================================
download source and windows/OSX binaries: https://github.com/kronihias/head-pose-estimation

Application that detects head position from a depth image provided by Microsoft Xbox Kinect Sensor in x,y,z and Euler Angles (pitch, yaw, roll) from multiple persons.

–> needs no calibration!!

Application sends data as OSC² Message in the format:

/head_pose [User_ID] [x] [y] [z] [pitch] [yaw] [roll]

Premiere “Unter Umständen”

Tue, 11 Oct 2011 15:34:59 +0200

Thursday – Nov. 3rd, 2011 will be the premiere of the 30min shortmovie Unter Umständen by Andreas Kurz.
Location: Lichtspiele Lenzing
I have been responsible for everything concerning sound.
There will also be a screening of older shortmovies done by Rubatofilm where I was involved in filmmusic.

Kinoabend – Plakat [PDF]

FIVE PIANOS, METAL & SPACE

Wed, 28 Sep 2011 00:11:48 +0200

check out the performance of FIVE PIANOS, METAL & SPACE @ ZWEIKLANG: MENSCH • MASCHINE 2011 Thursday, Sept. 29th – Schloss Weinzierl, Wieselburg-Land

5 metal plates playing with 5 robotic pianos

[ eisenstrasse.info ]

Heptapiano @ ARS Video

Thu, 15 Sep 2011 14:30:19 +0200

Check out a video from the rehearsal of Heptapiano by
Winfried Ritsch at ars electronica festival linz.

Ö1 Talentebörse

Sat, 10 Sep 2011 14:05:58 +0200

Matthias Osiecki from ORF wrote an article for the “Ö1 Talentebörse” about me. Thank you very much!

You can find it here.


Zur Musik kam er durch seinen Vater, die Technik interessierte ihn schon immer: Matthias Kronlachner, Jahrgang 1985, der an der Kunst-Uni Graz Toningenieur studiert. Am 9. September 2011 hat der vielseitige Techniker und Musiker sein Konzert-Debüt mit dem Computermusic Ensemble “ICE” im Wiener “Porgy&Bess”. [ mehr ]

IEM Computermusikensemble @ Porgy Vienna, Sept. 9th, 2011

Wed, 24 Aug 2011 12:24:01 +0200

On Friday, September 9th 2011 the ICE (IEM Comutermusik Ensemble) will play at Porgy&Bess in Vienna. [ Vienna Roomservice ]

IEM Computermusic Ensemble „ICE“

Jamilla Balint, Clara Hollomey, Matthias Kronlachner, Peter Venus, Marian Weger, Wen Liu, Winfried Ritsch

ARTfaces Portrait

Sun, 31 Jul 2011 02:12:41 +0200

Werner Schandor wrote a portrait for the ARTfaces series about me.

You can read it in german here.