At Mobile World Congress, XMOS released the VocalFusionTM stereo development kit for Amazon Alexa Voice Service (AVS). This kit is the first linear microphone array solution from XMOS that is Amazon-certified and has far-field performance to support stereo acoustic echo cancellation. In October 2017, XMOS released the Mono VocalFusion 4 Microphone Development Kit, which is also Amazon-certified for AVS. Both kits integrate Infineon's high signal-to-noise ratio (SNR) XENSIVTM MEMS microphone IM69D130 to ensure maximum performance and reliability. With this release, XMOS now has a larger number of Amazon AVS development kits supporting far-field applications than other vendors in the market.
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XMP President and CEO Mark Lippett said, "Thanks to our strategic partnership with Infineon and the use of its high-performance microphones, our kits deliver superior far-field performance. XENSIV MEMS microphones and XVF3500 voice processor Together, it delivers a superior user experience."
Infineon's high-performance digital XENSIVTM MEMS microphone, the IM69D130, delivers high-quality audio raw data, making it ideal for processing with XMOS' advanced audio signal processing algorithms to handle the most demanding scenarios. With XENSIVTM MEMS microphones, far-field and ear voice pickup performance is achieved with a signal-to-noise ratio of 69 dB, an extremely low distortion rate of less than 1%, and a maximum sound pressure level of 128 dB.
The new VocalFusion Stereo Development Kit features the VocalFusion XVF3500 voice processor that supports full-duplex stereo AEC (Acoustic Echo Cancellation). It is specifically designed to develop stereo electronics that support Alexa voice services, including smart TVs, multi-channel sound bars, set-top boxes, digital media adapters, and audiovisual equipment.
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