ST signals in new era for voice processors

ST signals in new era for voice processors
Richard Ball STMicroelectronics has begun shipping samples of signal processing chips that add voice processing functions to automotive systems and household goods. Called Euterpe ’99, the family of chips integrate a 24-bit DSP with A/D and D/A converters, ROM, RAM and interfaces to a microprocessor. Each chip implements a specific function, such as speech recognition, or echo cancellation. One or more can be combined to make up the required system. ST has worked with Lernout & Hauspie and Noise Cancellation Technologies to develop software for the chips. The firm says applications are endless. In an automotive system, a speech recognition chip allows drivers to control a navigation system or mobile phone. A text-to-speech chip would let users listen to incoming e-mails. l ST’s chief executive, Pasquale Pistorio, has hinted that the company may get involved in the programmable logic market. “FPGAs – there is something coming, but I can’t expand on that,” said an ST spokesperson.


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