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Date: 2025-08-21 Page is: DBtxt003.php txt00028821
THE UKRAINE WAR
EMERGING ACOUSTIC SYSTEMS

The Military Show: Ukraine’s Revolutionary ACOUSTIC Weapon STUNS Even NATO


Original article: https://www.youtube.com/watch?v=VdOK8RvT7Ic
Ukraine’s Revolutionary ACOUSTIC Weapon STUNS Even NATO

The Military Show


Jul 6, 2025

1.76M subscribers

#militarystrategy #militarydevelopments #militaryanalysis

A breakthrough in battlefield innovation is reshaping modern warfare. Ukraine has developed an AI-powered acoustic detection system that uses simple, low-cost microphones and smartphones to locate enemy drones, missiles, and artillery. This technology, evolving from civilian audio research, is now outpacing traditional defense systems and drawing praise from NATO. It’s a powerful example of how necessity, ingenuity, and speed can redefine the front lines—and possibly change how wars are fought in the 21st century.

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Peter Burgess COMMENTARY

I have known for a very long time that Ukraine has a level of technical and industrial competence that is world class and to a great extent better than that of Russia itself.

The emergence of new technologies in the military arena driven by the Ukrainian war effort is very welcome ... not so much a surprise, but evidence that Ukraine desreves to defeat the Russian aggression.

Peter Burgess
Transcript
  • 0:00
  • Crazy. That’s how NATO officials are describing what’s happening in Ukraine right now. Not because
  • it’s reckless… but because it’s revolutionary. Across the forests and farmlands of eastern
  • Ukraine, a network of cheap microphones and cell phones is quietly rewriting the rules of
  • warfare. It doesn’t launch missiles. It doesn’t jam signals. It just listens. And somehow, that’s
  • enough to terrify Russian drone operators—and stun NATO generals. But this is more than just
  • an acoustic trick. Ukraine’s new system isn’t just hearing the enemy… it’s hunting them. And
  • the story behind it? It starts in the unlikeliest place: an AI company that used to clone celebrity
  • voices for Hollywood blockbusters. What they built next is now the most underestimated weapon
  • on the modern battlefield. Let’s break it down. Respeecher, founded as a voice synthesis startup,
  • spent years perfecting machine learning algorithms that could analyze and recreate human speech
  • patterns. Their technology was sophisticated enough to clone the voices of Star Wars characters
  • and create convincing digital performances for major film productions. But when Russia invaded

  • 1:03
  • in 2022, the company’s founders—led by CTO Dmytro Bielievtsov—faced a choice that would define their
  • contribution to Ukraine’s defense. The pivot from entertainment to defense wasn’t immediately
  • obvious. Voice cloning and missile detection might seem worlds apart, but they share a crucial common
  • foundation. They both require sophisticated audio signal processing and pattern recognition through
  • machine learning. The same algorithms that could distinguish between different human voices could
  • potentially be trained to identify the unique acoustic signatures of incoming threats. Working
  • with Pavlo Tsiupka from i3 Engineering and Marian Sulym from Ukraine’s 125th Territorial Defense
  • Brigade, the Respeecher team began developing what would become known as Zvook (the Ukrainian
  • word for “sound”). The challenge was to create a system that could reliably detect and identify
  • Russian missiles and drones from the overwhelming background noise of everyday life. The machine
  • learning models had to distinguish missile engines from an audio landscape that included wind,

  • 2:00
  • road noise, flies and other insects, engineers’ voices, cows mooing, chainsaws cutting wood,
  • or anything else that makes sound in the Ukrainian countryside. The actual military
  • equipment signatures that the system would be trained to detect represented just 0.1 percent of
  • the source information. Initially, the system had a roughly 50 percent accuracy rate, essentially a
  • coin flip. However, through iterative training and the gradual accumulation of real battlefield audio
  • data, collected with help from military units actually experiencing attacks, the team began
  • improving their algorithms’ ability to separate threats from background noise. The hardware
  • component of Zvook was deceptively simple yet ingeniously effective. Each station consisted of
  • curved acoustic mirrors approximately half a meter in diameter, designed to concentrate sound waves
  • onto highly sensitive microphones. This works similarly to how satellite dishes focus radio
  • signals. This acoustic collector was backed by a computer roughly the size of a shoebox, running
  • the AI algorithms that processed incoming audio in real time. But the actual breakthrough came when
  • the team solved what they called the “domain shift” problem. Sounds recorded from internet

  • 3:02
  • sources or at safe distances weren’t adequate for training—a missile flying far overhead produces a
  • completely different acoustic signature than one passing nearby. This meant that the developers
  • needed to work with the Ukrainian military itself and in real-life environments. Units in combat
  • zones would record close flyby data that allowed the AI to learn the actual sounds of incoming
  • threats. This allowed Zvook to achieve what its creators claimed was zero false negatives by 2022.
  • As such, the system was never wrong in determining that a sound was actually being created by
  • military equipment, though it occasionally triggered false alarms. The system’s effectiveness
  • was demonstrated within hours of deployment. It detected a cruise missile just four hours after
  • setting up its first operational station, which was proof that its acoustic detection concept
  • worked in real combat conditions. However, Zvook’s initial deployment was limited in
  • scope. The network consists of approximately 40 stations scattered across Ukraine. This
  • was sufficient for proof of concept but far from providing comprehensive coverage. Additionally,
  • detection ranges were a modest 3 miles for drones and artillery and 5 miles for missiles, and the

  • 4:04
  • system would need further development to achieve the strategic impact Ukraine needed. As such,
  • Zvook established the foundational technology that would enable everything that followed. It proved
  • that AI-powered acoustic detection could work reliably in combat, that miniaturized hardware
  • could process complex audio signatures in real time, and that civilian technology companies
  • could rapidly adapt their expertise to critical defense applications. But most importantly,
  • Zvook demonstrated the core principle that would drive the next two evolutionary stages:
  • acoustic detection could provide early warning for low-altitude threats that traditional radar
  • struggled to track and do so at a fraction of the cost of conventional air defense systems.
  • This resulted in the challenge becoming how to scale effective acoustic detection from dozens
  • of stations to nationwide coverage. The solution emerged from what might seem like an unlikely
  • source: two Ukrainian engineers working in a garage. But unlike the sophisticated AI startup
  • behind Zvook, this approach emphasized simplicity, cost-effectiveness, and rapid deployment over

  • 5:00
  • technical sophistication. As General James Hecker, commander of U.S. Air Forces in Europe and Africa,
  • described it, these engineers put a microphone and a cell phone on a six-foot pole to listen
  • for one-way UAVs. This created a paradigm shift in the entire design, proving that effective acoustic
  • detection didn’t really require cutting-edge hardware if the network could be large enough
  • and the signal processing efficient enough. The project, dubbed “Sky Fortress,” represented
  • a fundamental shift in approach from Zvook’s high-tech station model to a distributed sensor
  • network. Rather than deploying sophisticated acoustic mirrors and dedicated processing units,
  • Sky Fortress relied on much simpler hardware that could be manufactured quickly and deployed
  • widely. What Sky Fortress needed to do instead was coordinate thousands of simpler sensors into
  • a coherent detection network. And it did. The mathematical principle underlying this approach
  • is called acoustic triangulation. When three or more acoustic sensors detect the same sound,
  • the tiny differences in arrival time at each point can be used to triangulate the exact location of
  • the source. This is the same principle that enables GPS positioning, but it is applied to

  • 6:01
  • sound waves rather than radio signals. According to various military officials, Sky Fortress
  • ultimately deployed between 8,000 and 10,000 acoustic sensors across Ukraine—creating what
  • General Hecker called “very accurate information that is synthesized in a central computer and sent
  • out to mobile fire teams.” This massive sensor network provided several crucial advantages
  • over the more limited Zvook deployment. First, the sheer number of sensors created redundancy
  • that improved overall system reliability. If some sensors were damaged or malfunctioned, the network
  • could continue operating effectively. Second, the wider coverage meant that incoming threats could
  • be detected earlier and tracked constantly as they crossed multiple sensor zones. But
  • most importantly, this approach enabled a level of precision that individual sensors couldn’t
  • achieve. While a single acoustic sensor might only provide rough directional information, multiple
  • sensors networked together could generate precise coordinates, flight paths, and speed estimates for
  • detected targets. The cost-effectiveness of this approach proved revolutionary. According to NATO
  • estimates, the entire Sky Fortress network cost approximately $54 million to deploy and maintain.

  • 7:05
  • This is less than the price of two Patriot air defense missiles (which are practically expendable
  • goods). Each sensor costs between $400 and $500, making the system scalable across an entire
  • nation. The operational effectiveness was equally impressive. In one engagement in 2024 cited by
  • Hecker, Ukraine successfully intercepted 80 out of 84 incoming Russian drones. This represents a
  • 95 percent accuracy rate, achieved through the combination of acoustic detection and
  • rapidly deployed mobile fire teams equipped with conventional anti-aircraft guns. But Sky Fortress
  • also revealed the limitations of ground-based acoustic detection. The network excelled at
  • detecting low-altitude threats like drones and cruise missiles, but couldn’t match the range and
  • altitude coverage of traditional radar systems. Detection ranges remained in the single-digit
  • miles, providing valuable but limited early warning time. More significantly, the fixed nature
  • of the sensors meant that the network could only provide coverage where stations had been deployed.
  • If Ukraine were forced to change the location of the front, such as by retreating or advancing,

  • 8:03
  • it would need to set up more operating stations. These limitations would drive the development of
  • the third evolutionary stage: mobile acoustic detection that could go anywhere reconnaissance
  • operations were needed. And this is where the German manufacturer Quantum Systems comes in,
  • improving on its Vector drones. Unlike the ground-based sensors of previous systems,
  • using drones essentially creates mobile acoustic sensing platforms that can provide
  • detection coverage anywhere the drone can fly. The acoustic sensors that accomplish this are
  • developed by Weles Acoustics (now a wholly-owned subsidiary of Quantum Systems) and are scheduled
  • to be installed on the drones over the next few months. They are approximately the size of an
  • index finger and weigh just a few grams, but can still identify artillery and mortar fire at ranges
  • up to 10 miles. This development represents yet another leap in how acoustic detection fits into
  • broader military operations. Where Zvook and Sky Fortress were primarily defensive systems designed
  • to protect Ukrainian territory from incoming attacks, these reconnaissance drones are active
  • intelligence-gathering platforms that can locate enemy artillery positions. So, instead of waiting

  • 9:03
  • for enemy aircraft to approach Ukrainian airspace where ground-based sensors could detect them,
  • the military can use them for search-and-destroy missions that don’t rely on direct visual contact
  • for initial targeting. This capability addresses one of the most persistent challenges in modern
  • warfare: rapid detection and first engagement rules. Traditional methods of locating enemy
  • guns rely primarily on radar systems that can track incoming projectiles back to their point of
  • origin, or on visual reconnaissance that requires direct observation of artillery positions.
  • Acoustic detection offers several advantages over these conventional approaches. Unlike radar
  • systems, which emit signals that can be detected and targeted by enemy forces, acoustic sensors
  • are completely passive. They only listen, never transmit. This makes it much harder for enemy
  • forces to locate and defeat through electronic warfare or direct attack. Additionally, as sound
  • is deflected against surfaces and doesn’t rely on straight-line visual detection, it can “pick up”
  • signals of enemy movements and deployments without compromising the drones carrying the hardware. The

  • 10:00
  • Vector system’s planned artificial intelligence improvements will also allow it to distinguish
  • between different types of artillery and mortar systems based on their acoustic signatures.
  • This capability could provide intelligence value that goes far beyond simple position
  • detection. By identifying the specific types of weapons being used, military planners could gain
  • insights into enemy unit compositions, logistical capabilities, and operational intentions. A drone
  • that can distinguish between standard artillery and advanced rocket systems, for example, provides
  • much more actionable intelligence than one that can only report “gunfire detected.” Furthermore,
  • the system is designed to automatically orient the drone’s optical sensors toward detected gunfire,
  • enabling immediate visual confirmation and detailed reconnaissance of identified targets.
  • This autonomous response capability addresses another practical limitation that constrained
  • earlier acoustic detection systems: the time lag between detection and response. With Zvook and
  • Sky Fortress, acoustic detection could alert human operators to incoming threats, but those operators
  • then had to manually direct defensive responses. The Vector system aims to eliminate much of

  • 11:01
  • this delay by automatically guiding the drone to achieve a real-time visual link. One of the main
  • ways that Ukraine could leverage this is to become even more effective against Russian artillery
  • systems, as that’s the area where Russia has had a significant numerical advantage since day one.
  • Traditional counter-battery operations require complex coordination between radar systems,
  • communications networks, and artillery units to detect enemy fire and respond quickly enough to
  • engage mobile targets before they can relocate. The new Vector drones could potentially compress
  • this entire cycle. A single drone could detect enemy artillery through acoustic sensors,
  • visually confirm the target through its optical systems, and immediately transmit
  • precise coordinates to friendly artillery or air assets for rapid engagement. And there’s
  • yet another aspect of using drones that surpasses what Sky Fortress could ever hope to achieve:
  • mobility. Vector-equipped drones can provide acoustic detection anywhere they can fly,
  • including deep reconnaissance missions into enemy territory. On the other hand, land-based station
  • systems are pretty much limited to working for defense. This could feasibly transform acoustic

  • 12:01
  • detection from a primarily defensive technology into an active intelligence-gathering tool that
  • supports offensive operations. Of course, the drones aren’t without their faults. They still
  • have very limited detection ranges compared to radar systems. Additionally, the drone itself
  • is reconnaissance-only, having no offensive armaments by itself or ways to work in hostile
  • weather conditions with a lot of background noise. Furthermore, as the drone still needs a network
  • link, Russia’s counter-drone tactics might become developed enough to threaten them. Quantum Systems
  • is expecting to start improving the drones and deploying them in the summer of 2025. This is just
  • three years after the initial Zvook experiments began. It’s a remarkably compressed development
  • cycle that would have been nearly impossible under peacetime military procurement processes. However,
  • the Vector system also reveals the ongoing limitations that constrain acoustic detection
  • technology. The 15-kilometer detection range, while impressive for such miniaturized hardware,
  • still represents a fraction of the coverage provided by modern radar systems. The acoustic
  • sensors also remain vulnerable to the same environmental factors—weather conditions,

  • 13:01
  • background noise, and deliberate countermeasures—that affected earlier
  • generations. And while the drones are technically only prototypes with limited
  • battlefield testing results, the enthusiastic response from NATO is what matters. What NATO
  • planners are studying is not just what Ukraine has accomplished, but how they accomplished it
  • so quickly and cost-effectively. General Hecker’s comments about being “mighty impressed” and NATO
  • Assistant Secretary-General Tom Goffus calling the development “crazy” reflect more than admiration
  • for Ukrainian ingenuity. It shows that the U.S. and the rest of Europe – with practically
  • limitless resources compared to a war-struck Ukraine – somewhat stumbled in creating or
  • adapting their military systems to follow the rapid leaps in technology throughout the 21st
  • century. The cost implications alone represent a significant change in how NATO might start to
  • plan its defense systems and national militaries. Traditional air defense systems require enormous
  • investments in sophisticated radars, missile systems, and command infrastructure. Ukraine’s
  • acoustic detection uses lower-cost technologies that can still provide results good enough
  • to stymie one of the world’s largest and most developed militaries outside of the NATO alliance.

  • 14:03
  • However, the strategic value extends beyond cost considerations. The progression from Zvook through
  • Vector integration illustrates how technologies can evolve rapidly when driven by immediate needs
  • rather than lengthy procurement processes. NATO’s acquisition timelines range from five to 10 years
  • for many critical systems. The War in Ukraine has lasted for a bit over three years and four months,
  • and the acoustics system is on its third major iteration. How long would it have taken NATO to
  • develop the same capability without a war taking place? And how much it would cost its nation’s
  • taxpayers? We’ll leave the answers to those questions for you to ponder. The networking and
  • data fusion capabilities demonstrated in Ukraine’s systems also suggest how NATO could enhance its
  • own integrated air defense systems. The ability to combine acoustic detection data with radar,
  • optical, and signal intelligence could improve detection reliability and reduce
  • the vulnerability of traditional sensor systems to electronic warfare. Considering that NATO likely
  • has significantly more powerful detection capabilities than Ukraine, it could mean a
  • much more robust defensive system to provide an effective deterrent. Perhaps most significantly,

  • 15:03
  • the Vector integration represents a new model for multi-domain sensor platforms that could lead to
  • NATO overhauling its approach to surveillance and reconnaissance. The concept of mounting multiple
  • sensor types on common platforms (optical, infrared, acoustic, and potentially others) could
  • provide more comprehensive battlefield awareness than traditional single-sensor systems. While NATO
  • hasn’t made any claims of when it will work on adapting Ukraine’s technology to its own use,
  • it did establish the Joint Analysis Training and Education Center (or JATEC) in Poland,
  • jointly operated with Ukraine. JATEC’s involvement in researching acoustic detection possibilities
  • indicates that both Ukraine and NATO firmly believe that this system has practical potential
  • in modern warfare that is yet untapped. However, no system developed by Ukraine comes without
  • its downsides. Environmental factors, range limitations, and vulnerability to countermeasures
  • mean that acoustic systems could end up always playing second fiddle to traditional radar-based
  • systems. It’s also possible that the system hits an operational ceiling before it becomes
  • practically usable, especially if Russia (or China) creates dependable counter-strategies.

  • 16:04
  • Of course, the system does come with one way to overcome some of these barriers through
  • redundancy. While the three different systems are technically part of a linear progression
  • of increasing mobility and reliability, each comes with its own use cases and operational advantages.
  • As such, all three systems could be combined to provide broader coverage. The development
  • from centralized to distributed to fully mobile detection systems wouldn’t be possible without
  • combining a few different concepts and emerging technologies, with each having major implications
  • for the future of warfare itself. First, Ukraine managed to develop these systems not through
  • widespread government programs but through private small teams or companies. It indicates that small
  • teams with focused objectives can outpace large, well-funded traditional development programs under
  • the right circumstances. This could lead to serious questions within NATO about whether
  • traditional defense procurement models are adequate for the rapidly evolving threat
  • environment. Secondly, artificial intelligence advancement is also a major talking point for
  • future systems, not only for acoustic detection. AI-enhanced drones have shown up multiple times

  • 17:01
  • in news reports, suggesting that artificial intelligence might replace some of the need
  • for human operators. This could lead to widespread changes in how national militaries structure their
  • training programs or fund specific units. If AI takes the lead in reconnaissance and surveillance,
  • it will further decrease the manpower needs of each country. Considering that most of the Western
  • world has had consistent difficulties in hitting their enrollment quotas, AI could help bridge that
  • gap. Thirdly, miniaturization trends suggest that systems will continue becoming smaller, lighter,
  • and more power-efficient. This could enable integration onto even smaller drone platforms,
  • or deployment of acoustic sensors on individual soldier equipment for personal area awareness.
  • And this isn’t really limited to acoustic detection. Ukraine has already managed to
  • achieve significant results with small commercial drones for offensive missions. Shedding even a bit
  • of weight on these lightweight systems could lead to exponential improvements in operational times.
  • Going in another direction, a small drone that incorporates additional systems could become
  • significantly more difficult to detect or counter through traditional means, giving it much more
  • potential in covert operations. However, Ukraine is far from the only country to have encountered

  • 18:02
  • prodigious developmental leaps. If the technology proves as effective as current results suggest,
  • other nations will likely develop their own acoustic detection capabilities,
  • potentially changing the balance in various regional conflicts. Russia’s reported development
  • of acoustic detection systems that directly copy Ukrainian designs suggests that Russia and China
  • are likely only slightly behind. As such, it would only take a small breakthrough for Ukraine to need
  • to create counter-systems to technologies that it has barely perfected. For NATO,
  • the main challenge will be integrating lessons learned from Ukrainian acoustic
  • detection development with existing defense capabilities and procurement processes. The
  • alliance must find ways to capture the innovation benefits of Ukraine’s rapid developmental cycles
  • while maintaining the quality standards and interoperability requirements necessary for the
  • alliance’s diverging operational needs. If you’ve liked this video, you might enjoy our analysis
  • of how Ukraine has managed to stay ahead in the drone game. And, as always, thanks for watching,
  • and make sure to subscribe to our channel for daily news straight from reliable sources.


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