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mermaid.initialize({ startOnLoad: true });</script><meta content="Aron Petau" property=og:site_name><meta content="Echoing Dimensions - Aron Petau" property=og:title><meta content=https://aron.petau.net/project/echoing-dimensions/ property=og:url><meta content="An interactive audiovisual installation." property=og:description><meta content="https://aron.petau.net/processed_images/Echoing Dimensions-4.9f7513e39b180107.jpg" property=og:image><meta content=en_US property=og:locale><body><header id=site-nav><nav><a href=#main-content tabindex=0> Skip to Main Content </a><ul><li id=home><a href=https://aron.petau.net> <i class=icon></i>Aron Petau</a><li class=divider><li><a href=https://aron.petau.net/project/>Projects</a><li><a href=https://aron.petau.net/pages/contact/>Contact</a><li><a href=https://aron.petau.net/pages/cv/>CV</a><li><a href=https://aron.petau.net/pages/about/>About</a><li id=search><button class=circle id=search-toggle title=Search><i class=icon></i></button><li id=language-switcher><details class=closable><summary class=circle title=Language><i class=icon></i></summary> <ul><li><a href=https://aron.petau.net//de/project/echoing-dimensions/ lang=de>Deutsch</a></ul></details><li id=theme-switcher><details class=closable><summary class=circle title=Theme><i class=icon></i></summary> <ul><li><button title="Switch to Light Theme" class=circle id=theme-light><i class=icon></i></button><li><button title="Switch to Dark Theme" class=circle id=theme-dark><i class=icon></i></button><li><button title="Use System Theme" class=circle id=theme-system><i class=icon></i></button></ul></details><li id=feed><details class=closable><summary class=circle title=Feed><i class=icon></i></summary> <ul><li><a href=https://aron.petau.net/rss.xml>RSS</a><li><a href=https://aron.petau.net/atom.xml>Atom</a></ul></details><li id=repo><a class=circle href=https://forgejo.petau.net/aron/awebsite title=Repository> <i class=icon></i> </a></ul></nav><div id=search-container><label class=visually-hidden for=search-bar>Search</label><input placeholder="Search for…" autocomplete=off disabled id=search-bar type=search><div id=search-results-container><div id=search-results></div></div></div></header><main id=main-content><article><div id=banner-container><img src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-4.jpg" class=full-bleed id=banner></div><div id=heading><p><small> <time datetime=" 2024-04-25T00:00:00+00:00">Published on April 25, 2024</time></small><h1>Echoing Dimensions</h1><p><small><span>By Aron Petau and Joel Tenenberg</span><span> • </span><span>5 minutes read</span><span> • </span></small><ul class=tags><li><a class=tag href=https://aron.petau.net/tags/exhibition/>exhibition</a><li><a class=tag href=https://aron.petau.net/tags/fm/>fm</a><li><a class=tag href=https://aron.petau.net/tags/installation/>installation</a><li><a class=tag href=https://aron.petau.net/tags/kinect/>kinect</a><li><a class=tag href=https://aron.petau.net/tags/llm/>llm</a><li><a class=tag href=https://aron.petau.net/tags/micropython/>micropython</a><li><a class=tag href=https://aron.petau.net/tags/pointcloud/>pointcloud</a><li><a class=tag href=https://aron.petau.net/tags/radio/>radio</a><li><a class=tag href=https://aron.petau.net/tags/radio-art/>radio-art</a><li><a class=tag href=https://aron.petau.net/tags/raspberry-pi-pico/>raspberry pi pico</a><li><a class=tag href=https://aron.petau.net/tags/studierendenwerk/>studierendenwerk</a><li><a class=tag href=https://aron.petau.net/tags/touchdesigner/>touchdesigner</a><li><a class=tag href=https://aron.petau.net/tags/tts/>tts</a><li><a class=tag href=https://aron.petau.net/tags/research/>research</a><li><a class=tag href=https://aron.petau.net/tags/university-of-the-arts-berlin/>university of the arts berlin</a><li><a class=tag href=https://aron.petau.net/tags/ultrasonic-sensor/>ultrasonic sensor</a></ul></div><div id=buttons-container><a title="Go to Top" href=#top id=go-to-top><i class=icon></i></a><a href="https://shareopenly.org/share/?url=https://aron.petau.net/project/echoing-dimensions/&text=An%20interactive%20audiovisual%20installation." id=share title=Share><i class=icon></i></a><a title="File an Issue" href=https://forgejo.petau.net/aron/awebsite/issues id=issue><i class=icon></i></a></div><h2 id=Echoing_Dimensions>Echoing Dimensions</h2><h2 id=The_Space>The Space</h2><p><a href=https://www.stw.berlin/kultur/kunstraum/kunstr%C3%A4ume/>Kunstraum Potsdamer Straße</a><p>The exhibition takes place in a converted parking garage owned and operated by Studierendenwerk Berlin. This large, open space features a low ceiling, concrete floors, and exposed concrete walls. Several nooks and alcoves throughout the gallery create opportunities for intimate experiences within the raw industrial architecture. The unheated, windowless space retains its utilitarian character, providing a distinctive backdrop for experimental art.<p>Our collective consists of 12 artists, each contributing unique projects exploring audiovisual installations:<ul><li>Özcan Ertek (UdK)<li>Jung Hsu (UdK)<li>Nerya Shohat Silberberg (UdK)<li>Ivana Papic (UdK)<li>Aliaksandra Yakubouskaya (UdK)<li>Aron Petau (UdK, TU Berlin)<li>Joel Rimon Tenenberg (UdK, TU Berlin)<li>Bill Hartenstein (UdK)<li>Fang Tsai (UdK)<li>Marcel Heise (UdK)<li>Lukas Esser & Juan Pablo Gaviria Bedoya (UdK)</ul><h2 id=The_Concept>The Concept</h2><p>We exhibited our radio project <a href=/aethercomms/>aethercomms</a>, which emerged from our earlier investigations into cables and radio spaces during our Studio Course.<h2 id=Build_Log>Build Log</h2><h3 id=2024-01-25>2024-01-25</h3><p>Today we visited the space for the first time. The underground parking garage immediately struck us with its raw, industrial character—concrete everywhere, low ceilings, and an unmistakable cold dampness. Despite the challenging conditions, we could already envision how the space's unique atmosphere would complement our audiovisual installations.</p><iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen class=youtube-embed referrerpolicy=strict-origin-when-cross-origin src=https://www.youtube-nocookie.com/embed/UaVTcUXDMKA></iframe><h3 id=2024-02-01>2024-02-01</h3><p>We signed the contract today, officially securing the space for our collective exhibition. The excitement is building as we move from concept to reality.<h3 id=2024-02-08>2024-02-08</h3><p>The collective exhibition statement:<blockquote><p>Sound, as a fundamental element of everyday experience, envelopes us in the cacophony of city life—car horns, the chatter of pedestrians, the chirping of birds, the rustle of leaves in the wind, notifications, alarms, and the constant hum of radio waves, signals, and frequencies. These sounds together make up the noise of our lives, often passing by fleeting and unnoticed.<p>The engagement with sound through active listening holds the potential to transform how we experience ourselves and our surroundings. This is the core idea of "Echoing Dimensions": once you engage with something, it gives back to you. Whether it's the rhythmic cadence of a heartbeat, a flowing symphony of urban activity, or the hoofbeats of a running horse, our minds and bodies construct and rebuild scenes and narratives while sensing and processing the sounds that surround us and pass through us.<p>The exhibition "Echoing Dimensions" takes place in Kunstraum Potsdamer Straße gallery's underground space and presents artworks by 12 Berlin-based artists who investigate 'intentional listening' through sound, video, and installation. Visitors are invited to navigate attentiveness through participatory exploration. Each artwork revolves around different themes where historical ideas resonate, political-personal narratives are reconceptualized, and cultural perspectives are examined. The exhibition's common thread lies in its interest in the complexities of auditory perception, inviting viewers to consider the ways in which sound shapes our memories, influences our culture, and challenges our understanding of space and power dynamics.</blockquote><h3 id=2024-02-15>2024-02-15</h3><h3 id=2024-02-15-1>2024-02-15</h3><p>We got our TouchDesigner prototype working today. The system successfully collects pointcloud information through a Kinect Azure, though sorting the device's output has proven quite tricky. The depth data streams in a format that requires careful parsing, but we're making progress.<h3 id=2024-03-01>2024-03-01</h3><p>Today we conducted our first live tests on the finalized hardware. After much deliberation, we decided to consolidate everything onto a compact Intel NUC—running TouchDesigner, the LLM, and audio synthesis all on one machine.<p>The biggest surprise came from an unexpected quarter: audio synthesis. With no internet connection available in the exhibition space, we couldn't fall back on the sleek cloud-based TTS services we'd initially considered. The tiny NUC, already stretched thin, struggled mightily. It took almost 15 seconds to generate a single paragraph of spoken words, even when using relatively small synthesizer models. The latency was unbearable for our interactive concept.<p>The lesson is clear: next time, we need to invest in more processing power from the start.<p>I find myself wondering why better offline TTS systems aren't more readily available. Isn't text- to-speech a fundamental accessibility feature? We eventually settled on Coqui TTS, which worked adequately but has since gone out of business entirely. The fragility of these tools is concerning.<h3 id=2024-04-05>2024-04-05</h3><p>Exciting news today: we've been accepted as part of <a href=https://www.sellerie-weekend.de>Sellerie Weekend</a>!<p><img alt="Sellerie Weekend Poster" src=https://aron.petau.net/project/echoing-dimensions/sellerie_weekend.png><p>Sellerie Weekend is a collective of gallery spaces and artist-run initiatives that offers a fresher, more counter-cultural alternative to the established Gallery Weekend Berlin. Being included in this program significantly boosted our online visibility and helped us draw a full house for the opening night. The underground art scene came out in force.<h3 id=A_Look_Inside>A Look Inside</h3><iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen class=youtube-embed referrerpolicy=strict-origin-when-cross-origin src=https://www.youtube-nocookie.com/embed/qVhhv5Vbh8I></iframe><iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen class=youtube-embed referrerpolicy=strict-origin-when-cross-origin src=https://www.youtube-nocookie.com/embed/oMYx8Sjk6Zs></iframe><h3 id=The_Final_Audiovisual_Setup>The Final Audiovisual Setup</h3><div id=image-gallery><ul class=gallery><li class=gallery-item><a href="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-4.jpg" class=lightbox target=_blank> <img alt="The FM Transmitter" src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-4.jpg"> </a> <p class=caption>The FM Transmitter</p><li class=gallery-item><a href="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-1.jpg" class=lightbox target=_blank> <img alt="Video Output with TouchDesigner" src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-1.jpg"> </a> <p class=caption>Video Output with TouchDesigner</p><li class=gallery-item><a href="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-2.jpg" class=lightbox target=_blank> <img alt="One of the Radio Stations" src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-2.jpg"> </a> <p class=caption>One of the Radio Stations</p><li class=gallery-item><a href="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-7.jpg" class=lightbox target=_blank> <img alt="The Diagram" src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-7.jpg"> </a> <p class=caption>The Diagram</p><li class=gallery-item><a href="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-11.jpg" class=lightbox target=_blank> <img alt="Exhibition view" src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-11.jpg"> </a> <p class=caption>Exhibition view</p><li class=gallery-item><a href="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-13.jpg" class=lightbox target=_blank> <img alt="The Network Spy" src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-13.jpg"> </a> <p class=caption>The Network Spy</p><li class=gallery-item><a href="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-18.jpg" class=lightbox target=_blank> <img alt="Installation detail" src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-18.jpg"> </a> <p class=caption>Installation detail</p><li class=gallery-item><a href="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-42.jpg" class=lightbox target=_blank> <img alt="Visitor interaction" src="https://aron.petau.net/project/echoing-dimensions/Echoing Dimensions-42.jpg"> </a> <p class=caption>Visitor interaction</p><li class=gallery-item><a class=lightbox href=https://aron.petau.net/project/echoing-dimensions/IMG_1709.jpeg target=_blank> <img alt="The Exhibition Setup" src=https://aron.petau.net/project/echoing-dimensions/IMG_1709.jpeg> </a> <p class=caption>The Exhibition Setup</p></ul></div></article><hr><nav id=post-nav><a class="post-nav-item post-nav-prev" href=https://aron.petau.net/project/local-diffusion/> <div class=nav-arrow>Previous</div> <span class=post-title>Local Diffusion</span> </a><a class="post-nav-item post-nav-next" href=https://aron.petau.net/project/sferics/> <div class=nav-arrow>Next</div> <span class=post-title>Sferics</span> </a></nav><span class=hidden id=copy-code-text>Copy Code</span><span class=hidden id=search-index>https://aron.petau.net/search_index.en.json</span><span class=hidden id=more-matches-text>$MATCHES 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