How to multiply by 18 battery life of voice control devices?

A disruptive Voice Activity Detection (VAD) solution is now available.

Grenoble, December 16th, 2019 -- The consumer trend for high-tech accessories is demanding, as mandatory, voice interaction with smart electronic products. Everything needs to be voice activated – from the car up to the light bulbs and the earables. Voice control devices, such as True Wireless Speakers (TWS) or smartspeakers, need always-on voice control, which requires an extreme and challenging optimization of the SoC power consumption.

Dolphin Design makes this happen and have launched a breakthrough VAD semiconductor IP – the WhisperTrigger-a. This solution achieves outstanding energy efficiency and very high accuracy, thus opening the path to a new generation of always-on sensing devices.

With this new technology and alternative VAD solution, a rechargeable battery of 25 mA/h from a TWS or an earbud device will increase,  from 9 hours battery life up to 168 hours using the WhisperTrigger-a!

Embed differentiation in your next generation of SoC targeting voice control devices and  get more information on this semiconductor IP.

Get the product brief overview

Explore each benefit from WhisperTrigger solution:

  • Increase from x6 up to x18 the device’s battery life in Key Word Spotting mode, thanks to the IP autonomy, which is connected directly to an analog MIC/electret MiC
  • Best rate of true voice detections and lowest rate of false detections, thanks to an intelligent algorithm self-adaptive to the user-environment
  • 100% detection of various keywords, thanks to ultra-fast voice detection and wake-up system



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