High-Performance Digital Voice Vibration Sensor

V2S200D: A First-of-its-Kind Digital Voice Vibration Sensor

A high bandwidth, low-power specialized vibration sensor to improve voice call quality in noisy environments

More than ever, consumers use audio devices, such as True Wireless Stereo (TWS) earbuds, for voice communications and calling on the move, often in loud public environments. Outdoors and wind noise, in particular, can severely degrade voice call clarity. V2S200D is designed to selectively pick up the speaker’s voice while suppressing all the other sounds, allowing for a comfortable and frustration-free voice call experience.

In addition to enhancing voice call quality, voice activity detection, imposter rejection, and personalization are some of the other use cases made possible by this sensor.

V2S200D, with its small size, high Signal-to-Noise ratio (SNR), and low power, offers an ideal solution to OEMs/ODMs looking to enhance the user experience of their products while working with significant Industrial Design (ID) and battery life constraints. In addition, upon integration into the system, it emulates a digital mic with Pulse Density Modulation (PDM) interface, which makes hardware and software development hassle-free.

V2S200D

SNR / 64.5 dB(A)
3.30 mm x 2.30 mm x 0.93 mm
Current: As low as 290uA
4kHz


 

 

Features

64.5dB Signal-to-Noise Ratio (SNR) in a small footprint 
High SNR & B/W for clear voice pick-up in loud/windy conditions
Low power consumption for always-on usage
50dB acoustic isolation in a noisy environment (bars, airports, windy outdoor spaces) 
Ease of integration from PDM interface; Stereo mode supported

 

Applications

Earphones
Wearables
Self-Speech Detection
Wind Noise Reduction
Imposter Rejection

Try It! Listen to the V2S200D Difference

 

Listening ExperienceWind NoiseBackground Noise
Conventional Microphone
V2S – Raw Output
V2S – 2kHz Low Pass Filter
V2S – High Frequency Gain Band Gain 1.5kHz 25dB gain Q5 6kHz Low Pass Filter
Blended solution –
V2S Low Frequency (<2kHz) and Microphone High Frequency (>2kHz)

  V2S recordings have ~20dB gain applied to normalize the signal level of the microphone recording.

 

   

Product Information

V2S200D Product Brief
V2S200D Datasheet
V2S200D User Guide
V2S200D Evaluation Kit User Guide
V2S200D Flex Product Brief

 

To Order

V2S, V2S on Flex, and V2S Evaluation Kits are available on Digi-Key.

Want to Evaluate V2S? Download the Evaluation Software to be used with the V2S Evaluation Kit*

* The V2S200D Evaluation Kit is available on Digi-Key 

By checking this box, you acknowledge the Knowles Licensing Agreement for the Voice Vibration Sensor Evaluation Tool.

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