Espressif also supports customer wake-up word customization. This translates in English as “Hello Espressif” it is pronounced as “haɪ ləʌˈʃɪən” and is transcribed in pinyin as “Hi Lexin”. Espressif provides its customers with the official wake-up word “嗨乐鑫” for free. Taking LyraT-Mini as an example of a development board that is small in size, yet highly versatile and powerful, the currently achievable wake-up performance in a quiet environment is a whopping 97% within a one-meter distance between the development board and the user, and 95% within a three-meter distance between the development board and the user, as shown in the table below.Ĭurrently, Espressif’s voice wake-up engine supports up to five wake-up words. WakeNet has been specifically designed for low-power embedded MCUs, providing users with excellent near- and far-field performance. It achieves a low memory usage of approximately 20KB, as well as a high calculation speed. WakeNet is Espressif’s voice wake-up engine. The new development framework is also based on Espressif’s WakeNet and MultiNet. ESP-Skainet is a new voice-interaction development framework based on Espressif’s flagship chip, ESP32.The new development framework supports voice wake-up and multiple offline speech-recognition commands.
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