Figure 1 - Dalian Dapinjia launches a voice recognition scheme based on the Nuvoton ISD9160 + Cyberon algorithm
The Nuvoton ISD9160 is a highly integrated voice/audio system-on-chip (SoC) based on the ChipCorder® platform and the Cortex-M0 core. Designed for both consumer and industrial applications, it provides a cost-effective and powerful solution for voice-related projects. The chip includes a 32-bit Cortex-M0 processor, a wide operating voltage range from 2.4V to 5.5V, an I2S digital audio interface, a 1W speaker driver, built-in flash memory, a 3V regulator, and multiple GPIOs—making it a complete single-chip solution.
Figure 2: System architecture of the company's Nuvoton ISD9160 + Cyberon algorithm-based speech recognition solution
Compared to ADPCM, the ISD9160’s high-compression algorithm achieves over 50% compression, which not only reduces memory requirements but also ensures high-quality audio output. The embedded flash memory can serve as both program code storage and audio storage. Additionally, the ISD9160 supports external flash memory for extended playback time, making it ideal for a wide range of voice and audio applications in both industrial and consumer markets. **Key Features:** - ARM® Cortex™-M0 core with up to 50MHz execution speed - Ultra-low power consumption ("1μA") - Sigma-Delta ADC with PGA and gain boost stage for microphone interface, offering a 92dB signal-to-noise ratio (SNR) - Audio PWM speaker driver capable of delivering 1W at 5.5V - Analog GPIO (port B) for sensor interface and capacitive sensing, with a programmable current source This voice recognition solution from Dalianda Holdings represents a significant advancement in the field of embedded audio systems, offering developers a powerful and efficient platform for creating intelligent, voice-enabled devices. Whether for home automation, industrial control, or consumer electronics, this solution is designed to meet the growing demand for seamless voice interaction.TUV is a kind of cable specially used for solar photovoltaic power generation system. It is certified by TUV and meets international safety standards and quality requirements.
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