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Sound Cave Labs Podcast

"You actually have to witness how it's being used." Joseph Luis discusses the vital importance of clinical experience for design engineers. If you want to stop equipment failures, you have to see the reality and range of uses in the field. Music from #Uppbeat https://uppbeat.io/t/yeti-music/concrete-heat License code: LWACJERVP7VN5GTX
Why Every Engineer Needs to Leave the Lab
Joseph Luis shares his inspiring journey as the first in his family to pursue a university degree. Growing up in a traditional, close-knit family, he was driven by his mother’s insistence on education. However, because his parents were unfamiliar with the American school system, Joseph had to navigate the complex path to higher education entirely on his own, from missing PSAT deadlines to teaching himself the admissions process. Breaking the family tradition of staying local, Joseph describes the emotional weight of boarding a plane to attend undergrad while leaving behind the apartment building where his entire family still resides. Discover how he overcame a lack of institutional support to merge his passions for acoustics and medicine. These are the types of human stories and journeys this podcast is all about. Music from #Uppbeat https://uppbeat.io/t/yeti-music/concrete-heat License code: LWACJERVP7VN5GTX
From First-Gen to MIT: Breaking the Cycle
Have you ever wondered how the same principles used to design pro-audio loudspeakers can be engineered to perform delicate eye surgeries, non-invasive facelifts, or even target tumors without a single incision? In this episode, we sit down with Joseph Luis, an electrical engineer who traded designing concert-series speakers at JBL for the high-stakes world of medical acoustics. Joseph pulls back the curtain on the incredible, unseen power of ultrasound and how it is actively revolutionizing modern medicine. We dive deep into the fascinating mechanics behind these medical devices, exploring how invisible, high-frequency soundwaves are used to emulsify tissue during liposuction, "jackhammer" out cataracts, and power life-saving implantables like pacemakers at Medtronic. Beyond the mind-blowing science, Joseph shares his inspiring personal story, from navigating the culture shock of MIT as a first-generation college student from Southern California to the humbling reality of watching surgeons take his pristine engineering designs and use them in completely unexpected ways in the operating room. Whether you are an acoustics nerd, an aspiring engineer, or just fascinated by the hidden technology used to heal the human body, this conversation is packed with incredible insights. 00:06:03 - Joseph's upbringing, being a first-generation college student, and his MIT experience. 00:14:10 - Leaving JBL and transitioning into the medical acoustics field. 00:15:51 - Exploring cosmetic ultrasound and non-invasive tissue lifts. 00:21:23 - Engineering ultrasonic surgical tools for cataract removal. 00:26:26 - Inside Medtronic: Testing integrated circuits for life-saving implantable devices. 00:33:17 - How ultrasound-assisted liposuction emulsifies tissue to reduce patient damage. 00:41:37 - The exciting future of non-invasive, high-intensity ultrasound therapies. 00:44:26 - Career advice for up-and-coming engineers on the importance of networking.
The Power of Medical Acoustics: Ultrasound Innovations with Joseph Luis
Can a machine actually feel? Kazu Gomi (CEO of NTT Research) reveals a startling discovery about the "IQ" of modern AI. The Breakdown: Emotional Maturity: Early AI was like a baby, only understanding "happy" or "sad." Granular Feelings: Modern, massive AI models now recognize "nuanced" emotions, like being happy because of a movie versus being happy because of a promotion. Adult-Level Logic: As these models scale, their understanding of a speaker's feelings is becoming indistinguishable from a human adult. The "No Shot" Reality: With an IQ that only moves upward and the ability to read every book in every language, AI isn't just a tool, it's becoming the ultimate assistant. Is AI just an assistant, or is it catching up to us? Music from #Uppbeat https://uppbeat.io/t/yeti-music/concrete-heat License code: LWACJERVP7VN5GTX
Is AI Outsmarting Human Emotion?
Could a digital version of your heart save your life? In this episode, Kazu Gomi (CEO of NTT Research) explains how the same "Digital Twin" technology used to monitor jet engines is being applied to the human body. Inside This Clip: Jet Engine Precision: Digital twins are computer-simulations used to track the "trajectory" and wear-and-tear of expensive physical systems like jet engines based on real-world conditions like air temperature and flight hours. The Bio Digital Twin: NTT Research is applying this concept to the human heart and cardiovascular system. Predictive Healthcare: For patients suffering from heart failure or heart attacks, this technology allows doctors to simulate how a specific heart will react to different drugs before they are even prescribed. Physician Support: This advanced simulation helps physicians determine the most effective course of action in acute medical scenarios. Watch the full episode to dive deeper into the future of R&D and optical computing! Music from #Uppbeat https://uppbeat.io/t/yeti-music/concrete-heat License code: K0AAXDQUIF5SMXFQ
The Future of Medicine: Bio Digital Twins!
In this episode of the SCL Podcast, we sit down with Kazu Gomi, CEO of NTT Research, to discuss the cutting-edge science shaping our future. Filmed at the MD Acoustics anechoic chamber, this conversation dives deep into how fundamental research is solving some of the world’s biggest technological hurdles—from the massive power consumption of AI data centers to the future of personalized medicine. Kazu shares insights into NTT's unique approach to R&D, where world-leading researchers are given the freedom to explore "basic fundamental research" without the immediate pressure of 2-3 year product cycles. Key Topics Covered: The Power Problem: Why AI and GPUs are creating an electricity crisis for data centers and how cooling innovations are stepping in. Optical Computing: Moving beyond silicon to replace processors with optical systems that could reduce energy requirements by 1/10th or even 1/100th. Bio Digital Twins: How creating a digital "twin" of the human heart can help doctors predict disease and automate life-saving drug infusions. The Evolution of AI Feelings: Fascinating new research into how large-scale AI models are beginning to understand human emotions with adult-like granularity. Next-Gen Cryptography: Moving past "all-or-nothing" encryption to create "attribute-based" security where different keys unlock specific parts of a file. Career Advice: Kazu reflects on his journey from electrical engineer to CEO and why having one "strong core" is the key to leadership. About NTT Research: NTT is a global powerhouse with over 300,000 employees worldwide. While they manage massive infrastructure like underwater cabling, the research arm focuses on long-term scientific breakthroughs in physics, cryptography, and medical informatics. Timestamps: 0:00 – Welcome to the MD Acoustics Anechoic Chamber 2:23 – Who is Kazu Gomi? 6:27 – The massive scale of NTT 10:47 – NTT’s unique approach to "Basic Research" 13:04 – Solving the Data Center energy crisis with Optics 22:50 – Bio Digital Twins: Mapping the human heart 29:22 – The future of Cryptography 33:18 – Can AI actually understand human feelings? 39:21 – Japanese R&D culture vs. the US 41:03 – Advice for the next generation of engineers
The Future of Computing: Optical Computers, Bio Digital Twins & The Evolution of AI - Kazu Gomi
Welcome to the Sound Cave Labs Podcast — a show built around the real stories behind engineering, acoustics, and technical leadership. Recorded inside a professional anechoic chamber, Sound Cave Labs brings together engineers, scientists, founders, researchers, and industry leaders to talk about what actually shapes careers in STEM — mentorship, hard lessons, leadership, failure, curiosity, and building things that matter. This isn’t textbook theory or academic gatekeeping. It’s honest conversations about: -Engineering careers in the real world -Acoustics, noise, vibration, and measurement -Entrepreneurship inside and outside big organizations -Mentorship and growth in STEM -Turning curiosity into impact Whether you’re a student, early-career engineer, or seasoned professional, Sound Cave Labs exists to share insight you won’t find in a lecture hall. New episodes available on YouTube and all major podcast platforms. Subscribe for engineering stories worth hearing.
Sound Cave Labs Podcast | Where Engineering Meets Real-World Experience
Jeff Fullerton sheds light on a question many people misunderstand: what actually qualifies someone as an expert in acoustics or noise control? In fields like engineering, environmental noise, and litigation support, expertise isn’t just about degrees — it’s about demonstrable skill, real-world experience, and the ability to communicate technical concepts clearly. This clip highlights why expert witness work requires more than credentials on paper, and how emerging programs are helping new professionals build the competence and confidence needed to step into those roles.
What Really Makes Someone an “Expert” in Acoustics?
Jeff Fullerton explains how programs like the new INCE Technical Badge are opening doors for people who are curious about acoustics but don’t yet know where to start. Standards can feel intimidating or overly technical, especially for newcomers — and even experienced engineers often interpret them differently. By breaking these concepts into practical, teachable skills, initiatives like this help bridge the gap between theory and real-world testing. They give new professionals a clearer path into the field, build shared understanding across the industry, and create a more accessible entry point into the world of acoustics, noise control, and measurement science. These programs aren’t just about certification — they’re about growing the community and welcoming the next generation of acousticians.
Making Acoustical Testing More Accessible for Everyone
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Signal Archive: Where we Explore and Inform…

White Papers as a form of further exploration and experimentation…

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