The company’s website claims that its technology can give machines the “most accurate, robust, and compact sense of hearing on the planet.”

Uses could include smart home devices that can detect a burglary or alarm, or smartphones that can adapt to noisy environments.

Audio Analytic previously raised $25 million from investors including National Grid Partners, IQ Capital and Cambridge Innovation Capital. It gave employment to about 50 people, according to its latest accounts. Its technology was included in devices such as British Gas’s Hive smart home range and it has worked with chip company Qualcomm to develop technology for smartphones.

Several Cambridge audio start-ups have been taken over by big tech companies in recent years. In 2012, Amazon acquired Evi, a start-up that developed…