Nuance Communications, the company behind Apple’s mobile assistant Siri, is reportedly in talks with Samsung regarding a potential sale of the firm. According to the Wall Street Journal, which cited sources familiar with the matter, Nuance has held talks not only with Apple’s rival Samsung, but a number of private equity firms. It is not known how far the talks have progressed, or if a deal is close to being reached. The Burlington, Massachusetts-based company develops speech recognition software and voice-based technology used in devices including GPS systems, smartphones and television sets. Nuance technology is behind Apple’s Siri, and is also used in Samsung products.