Please HELP VocalFusion 4-Mic Kit or VocalFusion 7-Mic Kit

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Please HELP VocalFusion 4-Mic Kit or VocalFusion 7-Mic Kit

Postby DDMW » Wed Nov 08, 2017 8:46 pm

Hello together,

i new for using the XMOS solutions. I need a VocalFusion kit with very good microphones, only beamforming und usb.

I know that the VocalFusion 4-Mic have very good microphones instead of the VocalFusion 7-Mic but wich solution do I need for the quickest solution to get USB and only Beamforming into the microphone solution?

I would be glad for an answer.

Best Regards,

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Postby Thomas » Fri Nov 10, 2017 1:11 pm

Hello Daniel
Three xCORE VocalFusion Kits for Smart Microphone development are available:
xCORE VocalFusion™ 4-Mic Kit for AVS
xCORE VocalFusion™ Speaker: Circular [USB | I2S]
xCORE VocalFusion™ Speaker: Linear [USB | I2S]

The all have very similar performance.
The key question is: What topology is required?

If the VUI is located on a wall, it covers a 180 degree range.
In this case you would use a linear array.

Otherwise use the circular microphone array which covers a 360 degree range.

Note also: Even though the Circular Array HW has 7 microphones on it, only four of them are used.
See the board support page for more information:
The Product Brief is usually a good start.

Regards, /T

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