---
title: "NEC starts research on self-supervised underwater acoustic foundation model, targets FY2027 completion"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296165257.md"
description: "NEC has initiated R&D on a self-supervised underwater acoustic foundation model under a Japanese defense innovation program, aiming for completion by fiscal 2027. The model seeks to generalize underwater sound analysis, reducing reliance on labeled data and accelerating sonar interpretation. It targets dual-use applications in defense, ocean monitoring, and seismic forecasting. Training data will be assembled through public-private partnerships, leveraging NEC's sonar expertise and cotomi large-scale learning capabilities."
datetime: "2026-08-18T02:01:34.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296165257.md)
  - [en](https://longbridge.com/en/news/296165257.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296165257.md)
generator: "portal-rs"
---

# NEC starts research on self-supervised underwater acoustic foundation model, targets FY2027 completion

-   NEC started R&D on a self-supervised underwater acoustic foundation model under a Japan defense innovation program, targeting completion in fiscal 2027. \* The model aims to generalize underwater sound analysis, reducing reliance on scarce labeled data while accelerating interpretation of large sonar recordings. \* Strategic focus on dual-use deployment, spanning defense applications with potential spillovers into ocean monitoring and seismic forecasting. \* Training data will be assembled via public-private partnerships, leveraging NEC’s sonar experience with its cotomi large-scale learning capabilities. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. NEC Corporation published the original content used to generate this news brief on August 18, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**