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Standards Development
This part applies to the safety of speech recognition devices for use in Class A or Class Ae control functions only. These devices are intended for use in household appliances and similar equipment, as well as equipment intended for public use, such as those used in shops, offices, hospitals, farms, and commercial or industrial applications. The speech recognition devices within the scope of this document are intended to convert speech commands into digital signals, transform these digital signals into text ual information through recognition algorithms, and parse the textual information into control signal outputs via semantic understanding algorithms. It does not perform control operations as defined in IEC 60730 -1. It essentially consists of a sensing element with supporting conditioning circuitry that includes embedded software.
The existing IEC 60730 series already includes various types of electrical, electromechanical, and electronic sensors that convert activating quantities into usable output signals. However, there is currently no dedicated standard for speech recognition devices, which integrate AI models and independent microcontrollers to perform non-deterministic decision-making functions, thereby introducing unique safety considerations beyond those of conventional electrical sensors. In recent years, such devices have b een increasingly applied in the control of various types of appliances. Nevertheless, due to the lack of applicable safety standards such as those addressing quantitative evaluation of performance requirements related to potential risks like false recognition and false wake-up caused by intelligent algorithms, as well as requirements for terminals and terminations, constructional requirements, creepage distances, heating, immunity, and measures against malicious attacks (e.g., white-noise attacks). Meanwhile, the absence of such standards has significantly hindered the broader application of these products across various fields.
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