Your voice can reveal more than words. But can a few seconds of speech become the next vital sign? In this episode of Capital Calling, Nyamitse-Calvin Mahinda, Founder and CEO of Vital Audio, pitches a healthtech company turning ordinary voice recordings into clinical insights. Vital Audio is building AI-powered voice biomarker software that can extract signals like heart rate, heart rate variability, rhythm, respiratory metrics, and other physiological indicators from short voice samples, without requiring wearables, apps, or new hardware. Its platform, Sonometrik, is designed to turn any phone into a low-friction tool for remote patient monitoring and patient screening. The company’s thesis is simple but powerful: if patients already communicate with providers by phone, then the voice itself can become a new layer of health data. Vital Audio is focused on helping healthcare systems, cardiologists, pulmonologists, and care teams monitor patients more efficiently, especially in remote, underserved, or post-hospital settings where traditional monitoring can be expensive, fragmented, or difficult to maintain. The company is positioning voice as a scalable interface for cardiac and respiratory care, with the potential to reduce avoidable hospital visits and improve access to continuous clinical insights. Nyamitse-Calvin’s story gives the company its emotional core. His healthcare journey began more than a decade ago as a first responder before moving into clinical research, healthcare operations, and in-home care delivery. Trained as a bioengineer with a focus on interactive medical robotics and digital signal processing, he founded Vital Audio after seeing firsthand how gaps in follow-up care, access, and monitoring can change lives. The company has since moved through the NYU entrepreneurial ecosystem, Techstars Los Angeles, and clinical partnerships, while building toward a future where the patient’s phone becomes a medical device and the patient’s voice becomes the biometric sample. Across the table, investors René Bastón of Covenant Venture Capital, Sabriya Stukes, PhD of SOSV, and Doug Hayes of Junto Health & Hubble engage with the pitch as it unfolds. They assess whether voice biomarkers can be clinically trusted, how Vital Audio can navigate healthcare adoption and regulation, whether its AI models are defensible, and whether voice-based monitoring can scale into a venture-backed infrastructure layer for remote care. Capital Calling provides a behind-the-scenes look at a real pitch from both sides of the table. Each episode begins with a live founder pitch and product demo, followed by direct investor questioning. After the pitch, investors enter into a private debrief conversation where they debate the opportunity openly: without the founder present. The founder, on the other hand, enters the On-Call Room to discuss the pitch one-on-one from their perspective. Then, the investors give their verdicts, where feedback is delivered candidly and decisions are made. Produced by Coeus Collective in partnership with the NYU Stern Berkley Center for Entrepreneurship, Capital Calling offers founders, operators, students, and investors an unfiltered look at how early-stage investment decisions actually happen, and what separates compelling ideas from fundable companies. Founders pitch live. Investors decide.
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