Ambiq offers ‘Always-on-Voice’ dev board
Known as Voice-on-SPOT (VoS) the kit is aimed at developing voice user interfaces (VUIs) at both the MCU and system levels. Ambiq’s core technology is sub-threshold power optimized technology (SPOT) which allows MCUs to run at much lower voltages and power consumption.
The VoS kit is made up of a series of MikroBus boards including one for the Apollo 3 Blue Plus microcontroller, which consumes as little as 6 microamps per MHz. Another board supports a Vesper or MEMSensing microphones.
The VoS kit integrates Ambiq’s hardware and software with peripherals and third-party IP, including signal processing using DSP Concepts’ Audio Weaver, Sensory’s VoiceHub, and Retune’s DSP VoiceSpot.
The VoS kit is particularly aimed at bringing voice and audio capabilities to battery-powered devices with Always-on-Voice (AoV) functionality, such as remote controls for TVs, gaming controllers, smart sensors, smartwatches, remote microphones, and health trackers.
“With the Ambiq VoS Kit, manufacturers finally have a complete solution to implement always-on voice command in their IoT devices while achieving up to one year battery life,” said Marc Miller, the director of solutions marketing at Ambiq, in a statement.
The kit supports local application- and cloud-based service options for one or two microphones. It supports wake word/command detection and Bluetooth LE communications.
The Apollo 3 Blue VoS is available now priced at $189.99.
The next generation, the Apollo4 Blue VoS Kit, is targeted for the third quarter of 2021. It will further lower always-on power with 2 analog mic inputs, while increasing capabilities with up to 8 digital mic inputs, 120dB SNR PDM (Pulse Density Modulation) to PCM (Pulse Code Modulation) converter, 192MHz Cortex-M4F MCU. The Apollo 4 approximately halves the best current consumption to 3 microamps per MHz.
The Apollo 4 Blue VoS Kit will expand the functional repertoire with support for voice input for phone calls, translation, and audio conferencing.
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